Meet Our Medical Team

RiverStone Health’s dedicated team of healthcare professionals are passionate about our community and truly care about every patient’s wellbeing.

Austin Barnhardt

M.D.

Medical interests: Rural healthcare, prevention, wilderness medicine, emergency medicine, veteran health, American Indian & Alaskan Native health.

Language: English

Joined Staff: 2025

Schooling:

M.D., Virginia Commonwealth University School of Medicine, Richmond, VA
Montana State University, Bozeman

Outside interests: Recreating outside including hiking, kayaking, climbing and skiing; playing soccer; acoustic guitar; spending quality time with my wife Nora; connecting with family and friends at our cabin in Red Lodge.

Chris Baumert

M.D. – Medical Director

Medical interests: Health policy and health system improvement, prenatal care and ultrasound, women’s health, dermatology, sports medicine and musculoskeletal care.

Language: English

Joined Staff: 2011

Schooling:

M.D., Temple University School of Medicine, Philadelphia, PA
B.S., Virginia Tech, Blacksburg, VA

Board certification: American Board of Family Medicine

Outside interests: Hiking, biking, running, skiing, yoga, and spending time with friends and family

Jordan Baxter

M.D.

Medical interests: Full-spectrum family medicine

Language: English

Joined Staff: 2026

Schooling:

University of Washington School of Medicine
Undergraduate: Montana State University

Outside interests: Rockhunting, checking cows, rollerblading

Why I chose MFMR: To be home and learn where I am most comfortable.

Nichole Borst

PA-C

Medical interests: Primary care, Orthopedics, General Surgery, Oncology, Genetics, Nutrition

Language: English

Joined Staff: 2026

Schooling:

University of Washington, Master of Science: Physician Assistant Studies
Graduate: MSU-Northern, Master of Science: Education, Curriculum & Instruction
Undergraduate: University of Montana

Outside interests: Hiking, camping, kayaking, horseback riding, fishing, hunting, running, woodworking, gardening, puzzling, playing and watching multiple sports.

Garth Brand

M.D.

Medical interests: Full Spectrum, hospital, and addiction medicine. Clinical reasoning.

Language: English

Joined Staff: 2012

Schooling:

M.D., Ross University, Portsmouth, Dominica
Undergraduate degree, biochemistry biophysics and microbiology, Whitman College, Walla Walla, WA

Board certification: American Board of Family Medicine

Outside interests: Barbecue and cooking, hiking, biking, skiing, travel and podcasts.

Maithil Chamanoor

M.B.B.S.

Medical interests: Primary care, Women’s Health, OB/Prenatal care

Language: English, Telugu, Hindi, Tamil, Chinese

Joined Staff: 2026

Schooling:

Zhengzhou Medical School, Henan Province, China

Outside interests: Singing, hiking, art and craft works – painting, sketching, sand art.

Favorite music: Classical music

Favorite movies: Horror and thriller

Why I chose MFMR: I have always been drawn to the challenge and responsibility of working with underserved and rural populations. The Montana Family Medicine Residency stands out to me because of its strong commitment to rural training, broad-spectrum family medicine, and serving communities that truly need dedicated physicians.

Miranda Chen

M.D.

Medical interests: Rural medicine, preventative care, advance care planning, music as medicine
Language: English

Joined Staff: 2024
Schooling:

Geisinger Commonwealth School of Medicine
Penn State University

Outside Interests: Playing violin, hiking, painting and crafting

Abby Dalton

P.A.-C

Medical interests: Family medicine, women’s health, dermatology, pediatrics.

Language: English

Joined Staff: 2016

Schooling:

Masters of Clinical Health Services, University of Washington MedEx NW, Seattle, WA
B.A. in Health Sciences, Carroll College, Helena, MT

Outside interests: I love all plants, gardening and landscaping. I also enjoy cooking, golfing, hiking/backpacking, traveling, and, of course, spending time with family, friends, my husband Craig, and our dog Charlie.

James Denisar-Green

M.D., PhD

Medical interests: Rural medicine, preventive medicine, maternity and obstetrical care, healthcare policy, healthcare technology.

Language: English

Joined Staff: 2021

Board certification: American Board of Family Medicine

Schooling:

M.D., Ph.D, University of North Carolina at Chapel Hill
Medical residency, University of Nevada Las Vegas School of Medicine, Las Vegas and Winnemucca, NV
B.S., genetics and biodiversity; master’s degree, biotechnology, Washington State University, Pullman, WA

Outside interests: Travel, reading suspense and fiction, listening to NPR, documentary consumption and computer gaming.

Maddie du Pont

D.O.

Medical interests: Rural family medicine, wilderness medicine, OMT, lifestyle medicine
Language: English

Joined Staff: 2024
Schooling:

- Philadelphia College of Osteopathic Medicine
- University of Delaware

Outside Interests: Yoga, running, hiking, skiing, spending time with family and my 2 dogs, cooking, playing backgammon, needlepoint

Benjamin Gallaher

M.D.

Medical interests: Primary care, lifestyle medicine, preventative medicine, wilderness medicine.

Language: English

Joined Staff: 2025

Schooling:

M.D., Southern Illinois University School of Medicine, Springfield, Ill.
B.S., Biology, Southern Illinois University – Edwardsville, Ill.

Outside interests: Spending time with my wife and two dogs, camping, fishing, golfing, hiking, and playing piano and saxophone.

Amy Gustafson

D.M.D.

Medical interests: General dentistry, community health.

NYU-Langone AEGD Faculty

Language: English

Joined Staff: 2011

Schooling:

D.D.S, Oregon Health Sciences University School of Dentistry, Portland
Undergraduate degree, University of Puget Sound, Tacoma, Wash.

Outside interests: Hiking, playing with her dog, spending time outdoors and reading.

Paolo Gerbasi

M.D.

Medical interests: Pediatrics and obstetrics; sports medicine; preventive medicine.

Language: English, Spanish

Joined Staff: 2014, full time 2021

Board certification: American Board of Family Medicine

Schooling:

M.D., University of Washington School of Medicine, Seattle, WA
Medical residency, Montana Family Medicine Residency, Billings, MT
Undergraduate degree, Montana State University, Bozeman, MT

Outside interests: Spending time with my wife, Nancy, and visiting our kids and grandkids in five different states. Train year round to compete in triathlons; fly fish year-round; backpacking trips and camping; brewing beer at home and commercially.

Zach Harder

D.O.

Medical interests: Addiction medicine, sports medicine, preventative medicine
Language: English

Joined Staff: 2024
Schooling:

Idaho College of Osteopathic Medicine
University of Idaho

Outside Interests: Snowboarding, skateboarding, guitar, and hanging with my goldendoodle Piper.

Kate Hildner

DNP, FNP-C

Medical interests: Preventive medicine, women’s health and weight management.

Language: English

Joined Staff: 2026

Schooling:

Doctor of Nursing Practice – Family Nurse Practitioner, Montana State University, Bozeman, MT
B.S. nursing, Montana State University, Bozeman, MT

Outside interests: Running, skiing, music and reading.

Erin Hixson

M.D.

Medical Director of Informatics

Medical interests: Primary Care, Women’s Health, Preventative Medicine, Medical Informatics

Language: English

Joined Staff: 2021

Board certification: American Board of Family Medicine

Schooling:

M.D., University of Washington School of Medicine, Seattle, WA.
Montana Family Medicine Residency, Billings, MT
B.S. in Physiology, Seattle Pacific University, Seattle, WA

Outside interests: Spending time with family and friends exploring new places and cultures through travel, road trips, hiking, and dining.

Mackay Hull

D.D.S., M.S., M.D.

Medical interests: Oral-maxillofacial surgery

Language: English

Joined Staff: Retired from private practice, volunteer since 2017

Schooling:

University of Iowa School of Dentistry, Iowa City
University of Nebraska School of Medicine, Omaha

Outside interests: Collecting antiques and owner of Hull’s Antiques, spending time in the mountains.

Zach Hunter

P.A.-C

Medical interests: Preventive health management and pediatrics.

Language: English

Joined Staff: 2019

Schooling:

Master of Physician Assistant Studies, Rocky Mountain College, Billings, MT

Outside interests: Running, outdoor recreation, reading

Cheyanne Izon

D.O.

Medical interests: Preventive medicine, women’s health, wilderness and rural medicine.

Language: English

Joined Staff: 2026

Schooling:

Kansas College of Osteopathic Medicine
Undergraduate: Colorado State University

Outside interests: Needlepointing, scrapbooking, hiking, fly fishing. I also love finding all of the good coffee spots in town and going for walks with my girlfriend and our dog.

Why I chose MFMR: I was looking for a full spectrum residency with emphasis on rural medicine with the goal of ending up a little bit closer to my parents who live in the mountains of Canada. I fell in love with the people and mission of MFMR, both Billings and MFMR immediately felt like home and the perfect place to grow both personally and professionally.

Kaci Jansma

P.A.-C

Medical interests: Sports medicine and family practice.

Language: English

Joined Staff: 2015

Schooling:

Graduate degrees, PA-C and Master of Clinical Health Services, MedEx, University of Washington, Seattle
B.S., Health and Human Performance, Montana State University, Billings

Outside interests: With my husband, Seth, helping on the family’s cattle ranch in Richey, MT, and lending a hand to local ranching families. We also love to spending time with our nieces and nephew. Personal hobbies include participating in and instructing fitness groups and volleyball camps for middle school and high school girls.

Naomi Keehn

P.A.-C

Medical interests: Primary care, preventive medicine, women’s health and behavioral health.

Language: English

Joined Staff: 2021

Schooling:

Master of Physician Assistant Studies, Rocky Mountain College, Billings, MT
B.A., biology with minor in deaf studies, University of Minnesota, Morris

Outside interests: Hiking, camping, snowboarding, traveling, board games, crafting and dogs.

Katherine Ellis Keith

F.N.P.-C

Medical interests: Mental health for all ages, women’s health, pediatric behavioral health, preventative medicine, integrated medicine.

Language: English

Joined Staff: 2022

Board certification: American Academy of Nurse Practitioners

Schooling:

Master of Science in Nursing (MSN), Vanderbilt University, Nashville, TN
Public Heath Associate Program (PHAP) Fellowship, Centers for Disease Control (CDC), Atlanta, GA/Billings, MT
Bachelor of Science (BS), Furman University, Greenville, SC

Outside interests: Playing outside, hanging with my furry and feathered kids, finding live music.

Julie Kelso

M.D.

Medical interests: Collaborative care, de-prescribing, mood disorders

Language: English

Joined Staff: 2021

Board certification: American Board of Psychiatry and Neurology

Schooling:

M.D., University of Nebraska Medical Center, Omaha, NE
Public psychiatry fellow, Columbia University, New York, NY
Residencies, University of Colorado Health Sciences Center, Denver, CO, Psychiatry; Columbia University, New York, NY, public psychiatry fellowship
B.S., biology and Spanish, Rocky Mountain College, Billings, MT

Outside interests: Skiing, hiking, biking, reading and travel.

Baasil Khalil

M.D.

Medical interests: Preventive, Addiction, Wound Care, Public Health, Wilderness, and Emergency Medicine

Language: English, French, Urdu

Joined Staff: 2026

Schooling:

Aureus University School of Medicine

Outside interests: Skiing, Reading, Community Outreach, Watching Movies, Traveling, Chess, and Fencing.

Why I chose MFMR: I chose MFMR for the outstanding clinical training combined with unique opportunities that align with my career goals. The biggest draw was MFMR’s strong emphasis on
wilderness medicine and its commitment to addressing healthcare throughout the community.

During my training here, I’m eager to deepen my skills in wilderness medicine, learning how to provide care in remote and austere environments. I am equally excited to gain insight into public policy topics that influence healthcare delivery throughout different settings. This dual exposure will equip me with the clinical expertise and a system-wide understanding needed to respond effectively during humanitarian crises. Ultimately, I aspire to work with organizations such as Red Cross/Red Crescent and Médcins Sans Frontières (Doctors Without Borders), delivering aid where it is needed the most. The comprehensive training at MFMR will prepare me to serve with competence, adaptability and compassion from local to global stages!

Dave Kidman

D.O.

Medical interests: Wilderness medicine, rural medicine and sports medicine
Language: English, Spanish

Joined Staff: 2024
Schooling:

University of the Incarnate Word School of Osteopathic Medicine
Bachelor’s degree in emergency services

Outside Interests: I love being outdoors, hiking, fishing, hunting and snowboarding.

Matthew J. Kovach

M.D.

Medical interests: Health and wellness, sports medicine, wilderness medicine, longevity, functional and metabolic medicine, integrative and holistic medicine, correctional medicine, and caring for underserved populations, including veterans, Native American, Hispanic, and immigrant communities.

Language: English

Joined Staff: 2026

Schooling:

Upstate Medical University
Undergrad: State University of New York College at Oswego

Outside interests: Outdoor adventures with my daughter, fitness, international travel, hiking, mountain biking, camping, backcountry skiing, yoga, lifting, and learning from the life experiences of others.

Why I chose MFMR: Montana Family Medicine Residency is where I belong, from the leadership and training opportunities to the beauty of the incredible state of Montana. It felt like the right place to become the kind of physician I hope to be: broad-spectrum, community-minded, practical, and deeply committed to caring for people who need it most.

My path to medicine has been anything but traditional, and MFMR stood out as a program where that background could be an asset. I was drawn to the opportunity to care for patients from all walks of life within a welcoming community where I can truly belong.

I am excited to join the RiverStone Health family, build meaningful relationships in Montana, and continue learning how to serve patients with skill, humility, and heart.

Staci Lee

M.D.

Medical interests: Care of people living with HIV and/or identifying as LGBTQ+, prevention & treatment of infectious diseases, developing & providing interprofessional medical education for patients, medical providers & the public.

Language: English

Joined Staff: 2021

Schooling:

M.D., Keck School of Medicine, University of Southern California, Los Angeles, CA
Medical residency, Mayo Clinic, Rochester, MN; Internal Medicine Residency, Infectious Diseases Fellowship
Master of education in Health Professions, Johns Hopkins University, Baltimore, MD
Undergraduate degree, Iowa State University, Ames, IA

Outside interests: Seeking out people, books, music, shows, and outdoor activities that allow me to see or experience life from a different perspective.

Megan Littlefield

M.D.

Chief Medical Officer

Medical interests: Pediatrics, access to care, obesity and diabetes management.

Language: English

Joined Staff: 2011

Board certification: American Board Internal Medicine; American Board of Pediatrics

Schooling:

M.D., University of Maryland School of Medicine, Baltimore, MD
Medical residency, University of Chicago, IL
Undergraduate degree, Connecticut College, New London, CT

Outside interests: Hiking, downhill skiing and spending time with family.

Melinda Lueders

D.O.

Medical interests: Outpatient primary care, POCUS, mental health, wilderness medicine

Language: English

Joined Staff: 2026

Schooling:

Edward Via College of Osteopathic Medicine – Carolinas
Undergraduate: Presbyterian College

Outside interests: Reading, baking, crafting, spending time with my dogs.

Why I chose MFMR: I chose MFMR for the program’s strong focus on collaboration over competition between residents and its inclusive model providing full-spectrum care. I was excited by the full integration of POCUS into the program and access to portable ultrasound throughout training.

Shane McCullough

P.A.-C

Medical interests: Primary care, sports medicine, orthopedics

Language: English

Joined Staff: 2020

Schooling:

Master of Physician Assistant Studies, Rocky Mountain College, Billings, MT
M.S., Athletic Training, Montana State University Billings, Billings, MT

Outside interests: Hiking, snowboarding, fly fishing, coaching my littles Brecklyn and Bennett. Spending time with my wife Jenny, preferably playing cards at a brewery.

Kelsey Mastel

D.M.D.

NYU-Langone AEGD Faculty

Language: English

Joined Staff: 2016

Schooling:

D.M.D, Arizona School of Dentistry and Oral Health, Mesa
B.S., Chemistry, Montana Tech of the University of Montana, Butte

Outside interests: Big fan of the outdoors, love hiking and “cabining” at my family’s cabin on Flathead Lake.

Stacy Maynard

D.O., PhD

Medical interests: Primary care, pediatrics, women’s health
Language: English

Joined Staff: 2024
Schooling:

Pacific Northwest University of Health Sciences
University of Wisconsin-Madison
University of Puget Sound

Outside Interests: Hiking, gardening, walking my dog

Regan Mazour

P.A.-C

Medical interests: Women’s health, dermatology, pediatrics, integrative medicine

Language: English

Joined Staff: 2025

Schooling:

Master of Physician Assistant Studies, University of Nebraska Medical Center, Omaha, NE
BS, University of Northern Iowa, Cedar Falls, IA

Outside interests: Spending time with family and friends, hiking, watching and playing volleyball, painting, traveling and trying new foods.

James Miller

P.A.-C

Medical interests: Family medicine, Pediatrics

Language: English

Joined Staff: 2017

Schooling:

Master of Physician Assistant Studies, Rocky Mountain College, Billings, MT
B.S., biology, Rocky Mountain College, Billings, MT

Outside interests: Hunting, fishing and boating

Shawnell Miller

Registered Dental Hygienist

Medical interests: Public health and serving the community; treating and educating patients on periodontal disease.

Language: English

Joined Staff: 2019

Schooling:

Associates of Applied Science in Dental Hygiene, Sheridan College, Sheridan, Wyo.

Outside interests: Spending time with family and friends, and especially spending time outdoors and taking backpacking trips.

Kindra Munda

Registered Dental Hygienist

Medical interests: Oral health

Language: English

Joined Staff: 2023

Schooling:

Associate of Applied Science, Sheridan College, Sheridan, WY
Associate of Applied Science, Central Wyoming College, Riverton, WY

Outside interests: Spending time with my 2 children and our dog. Also racing cars and going to the movies.

Nagarajan “Naj” Muthu

M.D.

Medical interests: Family medicine, addiction medicine, chronic pain management, preventive care, and the biopsychosocial dimensions of primary care. Prior training in general surgery and NIH-funded cardiovascular research informs a whole-patient approach to care.

Language: English

Joined Staff: 2026

Schooling:

American University of Antigua

Outside interests: Christianity and biblical study; astrophotography (Montana’s dark skies are already calling); AI-powered clinical tool development; recovery community ministry approached through a Christian theological lens.

Why I chose MFMR: During a competitive match process, MFMR extended me an offer I said yes to without hesitation — and I haven’t looked back. What made it easy wasn’t just the program’s clinical breadth or its genuine emphasis on addiction medicine and behavioral health. It was the people. From my very first interaction with the faculty and program, I felt genuinely welcomed — not as a candidate, but as a person. Montana itself excites me for the same reason: the landscape is extraordinary, and these are communities where relationship-driven, whole-person care still means everything. I came for the training; I’m staying for the place and the people.

Mary Nessan

Registered Dental Hygienist

Medical interests: Public health and treating and educating patients on the importance of oral health.

Language: English

Joined Staff: 2020

Schooling:

B.A., dental hygiene, Carroll College, Helena, MT

Outside interests: Camping, water skiing and snow skiing

DeAnna Niles

P.A.-C

Medical interests: Women’s health and diabetes.

Language: English

Joined Staff: 2012

Schooling:

Graduate degree, MedEx Northwest University of Washington, Seattle
Undergraduate degree, Carroll College, Helena, MT

Outside interests: Spending time with her family, camping and riding horses.

Ashutosh Paudel

M.D.

Medical interests:Sports medicine, addiction medicine, chronic disease management

Language: English, Nepali, Hindi

Joined Staff: 2026

Schooling:

KIST Medical College and Teaching Hospital

Outside interests: Exploring new places and landscapes, hiking, hunting new food spots, avid sports fan (soccer, cricket), interest in American and Nepalese history.

Why I chose MFMR:MFMR’s commitment to full-spectrum family medicine training provides the ideal environment for me to develop into a physician with a broad scope of practice. I am especially drawn to the opportunity to serve communities with limited access to healthcare while gaining experience across the full spectrum of family medicine. Training in the beautiful state of Montana is an added bonus.

Kevin Penn

M.D.

Medical interests: POCUS, Wound Care

Language: English, Spanish

Joined Staff: 2026

Schooling:

University of Colorado School of Medicine
Undergrad: University of Northern Colorado

Outside interests: Woodworking, beating my children in Mario Kart.

Why I chose MFMR: Unopposed full-spectrum training with a variety of settings and populations. The town is large enough to have a school and affordable enough to live as a family during residency.

Crystal Richardson

M.D.

Medical interests: Global health

Language: English

Joined Staff: 2025

Schooling:

M.D., Saint James School of Medicine, Anguilla
University of Kent, Canterbury, England

Outside interests: Hiking, scuba diving, wheel throwing, hot yoga, cooking.

William “Mateo” Rogers

D.O.

Medical interests: POCUS, Intubation, Central Lines, A Lines, Chest Tubes, Wound Care, Wilderness Medicine, OB-GYN, Pathology, Rural Medicine, OMT

Language: English

Joined Staff: 2026

Schooling:

Lincoln Memorial University DeBusk College of Osteopathic Medicine
Undergraduate: University of Tennessee Chattanooga

Outside interests:Water activities such as swimming, boating, kayaking. Anything musical, listening, playing, attending live shows. Movies and ballet.

Why I chose MFMR:To be honest, it chose me. I feel very fortunate, flattered, and blessed, as a result. I’m very excited about my future.

Gerrit Seymour

D.O.

Medical interests: Refugee health, international medicine, addiction medicine, behavioral health, OMT

Language: English, Turkish

Joined staff: 2025

Schooling:

D.O., Lake Erie College of Osteopathic Medicine, Greensburg, PA
B.S., Middle Eastern studies & music, University of Utah, Salt Lake City, Utah

Board certification: American Board of Family Medicine

Outside interests: I love spending time with my family in the outdoors. I enjoy playing and watching all sports, especially soccer and basketball. I can often be found playing or enjoying good music.

Aleah (Dorman) Robinson

DMS, P.A.-C

Medical interests: Comprehensive family medicine and primary care, women’s health, mental health and wellness, community health and enrichment, lifestyle medicine.

Language: English

Joined Staff: 2024

Schooling:

Doctor of Medical Science, Butler University, Indianapolis, IN
Master of Physician Assistant Studies, Rocky Mountain College, Billings, MT
B.A. in Biology with an emphasis in Health Sciences, Montana State University Billings, Billings, MT

Outside interests: Spending time with family and friends, making and enjoying tasty food, trying new workouts, home improvement projects, podcasts, dogs, anything outdoors, and live music.

Grace Rose

D.O.

Medical interests: Diabetes management, public health, preventive medicine, pediatrics, nutrition, rural health, OMT and women’s health.

Language: English

Joined Staff: 2022

Schooling:

D.O., Pacific Northwest University of Health Sciences, School of Osteopathic Medicine, Yakima, WA
B.S., human nutrition, Southern Utah University, Cedar City

Outside interests: Running/exercise, hiking, cooking, baking.

Dani Ryan

D.O.

Medical interests: Preventative medicine, team-based decision making, obstetrics, newborn care and pediatric milestones.
Language: English

Joined Staff: 2024
Schooling:

A.T. Still University School of Osteopathic Medicine in Arizona
University of South Florida

Outside Interests: Cooking, baking, crocheting, coffee (I have every fancy coffee maker you could ever want), road trips, and amusement parks

Sarah Ryersee

D.O.

Medical interests: Rural outpatient, women’s health/ OB
Language: English

Joined Staff: 2024
Schooling:

Kansas City University College of Osteopathic Medicine
Missouri Southern State University

Outside Interests: Tennis, hiking, traveling, Netflix

Shae Saunders

M.D.

Medical interests: Adult and pediatric primary care, women’s health, preventative medicine.

Language: English

Joined Staff: 2022

Schooling:

M.D., American University of Antigua College of Medicine, Antigua and Barbuda
B.S., Cultural Healthcare, Metropolitan State University of Denver, Denver, CO

Outside interests: Cooking, Spending time with my daughter, looking up woodworking projects for my husband to do on Pinterest.

Eduardo Serrano

M.D.

Medical interests: Women’s health, mental health, chronic disease management
Language: English, Spanish

Joined Staff: 2024
Schooling:

Baylor College of Medicine
Texas A&M

Outside Interests: Cooking, camping, weightlifting, swimming

Eduardo Simo-Miranda

D.M.D.

Medical interests: Dental and overall health
Language: English, Spanish

Joined Staff: 2025
Schooling:

Case Western Reserve University School of Dental Medicine
University of South Florida-Sarasota-Manatee Campus

Outside Interests: Family/dogs, pickleball and outdoor activities.

Dorothy Sizemore

D.O.

Medical interests: Disease prevention, provider wellness, accessible and inclusive care for all.

Language: English

Joined Staff: 2022

Board certification: American Osteopathic Board of Family Physicians

Schooling:

D.O., Rocky Vista University College of Osteopathic Medicine, Parker, CO
Medical residency, Montana Family Medicine Residency, Billings MT
B.S., Cell Biology & Neuroscience; M.S., Health Science, Montana State University, Bozeman

Outside interests: Travel, hiking, reading, baking

Leigh Slagsvold

DNP, APRN, FNP-C

Medical interests: Family care, geriatrics, palliative care

Language: English

Joined Staff: 2023

Schooling:

Doctor of Nursing, Family Nurse Practitioner, Montana State University, Bozeman.
B.S., Nursing, Montana State University, Bozeman

Outside interests: Golf, hiking, biking, spending time with family and friends.

Cooper Smith

D.O.

Medical interests: Sports medicine, wilderness medicine

Language: English

Joined Staff: 2025

Schooling:

D.O., A.T. Still University, Kirksville, MO
B.S., Biology, Grand Canyon University, Phoenix, Ariz.

Outside interests: Mountain biking, hiking, weightlifting, dirt bikes, snowboarding, basketball, and hanging out with friends.

Craig Stannebein

D.M.D.

NYU-Langone AEGD Faculty

Medical interests: Physiology, biochemistry, repair and healing, replacement

Language: English

Joined Staff: 2020

Schooling:

D.M.D., Oregon Health Sciences University, Portland
Undergraduate degree, Montana State University, Bozeman

Outside interests: Reading, cooking, gardening, hunting and fishing.

Roman Stedman

M.D.

Medical interests: I have a passion for teaching medicine—whether it’s working with medical students, patients or fellow physicians. I’m also deeply curious about the evolving role of AI in healthcare and excited to see how it continues to shape our field.

Language: English

Joined Staff: 2025

Schooling:

M.D., Howard University College of Medicine, Washington, D.C.
University of Arizona, Tucson, Ariz.

Outside interests: I’ll try just about anything—as long as it doesn’t involve jumping out of a plane (though that might be on the agenda tomorrow). I enjoy hiking, camping, video games, cooking, fishing, bowling, baseball, golf, discovering hidden gems, and rewatching my favorite TV shows.

Amy Solomon

M.D.

Medical interests: Belief in care of the whole person, with fellowship training in Integrative Medicine as well as board certification in Addiction Medicine.

Language: English

I care for people with complex medical stories including fatigue, chronic pain, substance use disorders and psychiatric co-morbidities and work as a team with the patient to feel empowered and have a more functional and better quality life.

Joined Staff: 2018

Board certification: American Board of Family Medicine, American Board of Addiction Medicine

Schooling:

M.D., St. Louis University School of Medicine, MO
B.A., psychology, University of California, La Jolla

Outside interests: Spending time with family, going to live music and symphony performances, yoga, especially kundalini yoga, and trying new things like fishing and ukulele.

Eliana Stoppel

M.D.

Medical interests: Full-spectrum family medicine, rural health and continuity of care (outpatient, inpatient & maternity care), maternal and child health, prenatal care, labor and delivery, postpartum and newborn care.

Language: English

Joined Staff: 2025

Schooling:

University of New Mexico School of Medicine, Albuquerque, NM
Undergraduate: B.S., psychology; B.A., biology; B.A., health, medicine and human values/minor in chemistry

Board Certification: American Board of Family Medicine

Outside interests: Hiking, camping, backpacking, cooking and spending time with family and friends.

Lucas Teynor

D.O.

Medical interests: Sports medicine, lifestyle medicine, wilderness medicine, emergency medicine, ultrasound
Language: English

Joined Staff: 2024
Schooling:

Rocky Vista University College of Osteopathic Medicine (Parker, CO)
Colorado State University
University of Montana

Outside Interests: I enjoy outdoor activities like skiing, hiking, hunting (rifle and archery), wildlife/landscape photography and golfing. I’m a fan of the Minnesota Vikings, Montana Griz, and Formula 1 racing. In my downtime, I unwind with eSports and video games. I love binge-watching shows, discovering new movies, and spending time with my dogs.

Laura Stump

M.D.

Medical interests: Preventive care and procedural care

Language: English

Joined Staff: 2023

Schooling:

University of Virginia School of Medicine, Charlottesville, VA.
Undergraduate: B.A. in mechanical engineering Georgia Institute of Technology, Atlanta, GA.

Board Certification: American Board of Family Medicine

Outside interests: Hiking, skiing, cooking and travel

Joey Verlanic

D.M.D.

Dental Director, NYU-Langone AEGD Faculty

Medical interests: Medical/dental integration and community health

Language: English

Joined Staff: 2018

Schooling:

D.M.D., Oregon Health and Sciences University, School of Dentistry, Portland
Undergraduate degree, Montana State University, Bozeman

Outside interests: Hiking, basketball, volleyball, art and travel

Trinity Walter

P.A.-C

Medical interests: Pediatrics and preventive care

Language: English

Joined Staff: 2025

Schooling:

Graduate degree, Rocky Mountain College Master of Physician Assistant Studies, Billings, MT
Undergraduate degree, Rocky Mountain College, Billings, MT

Outside interests: Being outdoors, reading, hanging out with family and friends, sporting events and working out.

Holly Wilson

D.O.

Medical interests: Sports medicine, preventative medicine, ultrasound.

Language: English

Joined Staff: 2025

Schooling:

D.O., Rocky Vista University, Ivins, Utah
Fresno State University, Fresno, Calif.

Outside Interests: Running/exercise, hiking, cooking, baking.

Meggan Yancey

M.D.

Medical interests: Full-spectrum rural family medicine

Language: English

Joined Staff: 2026

Schooling:

University of New Mexico School of Medicine
Undergraduate: Texas Tech University

Outside interests: Outside of medicine, I enjoy traveling, being outdoors, and exploring new places. I also enjoy reading, dancing, going to concerts, and spending quality time with family and friends.

Why I chose MFMR: MFMR stood out to me because of its strong focus on full-spectrum rural family medicine and caring for underserved communities. Growing up in rural areas and participating in the Rural Urban Underserved Program during medical school reinforced my passion for rural healthcare. Montana reminds me of home, and I feel MFMR is the perfect place to train in comprehensive rural medicine while learning from outstanding faculty and mentors.

Our healthcare providers work as a team to provide the best possible care for you and your family.

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Meet Our Medical Team

Austin Barnhardt

M.D.

Chris Baumert

M.D. – Medical Director

Jordan Baxter

M.D.

Nichole Borst

PA-C

Garth Brand

M.D.

Maithil Chamanoor

M.B.B.S.

Miranda Chen

M.D.

Abby Dalton

P.A.-C

James Denisar-Green

M.D., PhD

Maddie du Pont

D.O.

Benjamin Gallaher

M.D.

Amy Gustafson

D.M.D.

Paolo Gerbasi

M.D.

Zach Harder

D.O.

Kate Hildner

DNP, FNP-C

Erin Hixson

M.D.

Mackay Hull

D.D.S., M.S., M.D.

Zach Hunter

P.A.-C

Cheyanne Izon

D.O.

Kaci Jansma

P.A.-C

Naomi Keehn

P.A.-C

Katherine Ellis Keith

F.N.P.-C

Julie Kelso

M.D.

Baasil Khalil

M.D.

Dave Kidman

D.O.

Matthew J. Kovach

M.D.

Staci Lee

M.D.

Megan Littlefield

M.D.

Melinda Lueders

D.O.

Shane McCullough

P.A.-C

Kelsey Mastel

D.M.D.

Stacy Maynard

D.O., PhD

Regan Mazour

P.A.-C

James Miller

P.A.-C

Shawnell Miller

Registered Dental Hygienist

Kindra Munda

Registered Dental Hygienist

Nagarajan “Naj” Muthu

M.D.

Mary Nessan

Registered Dental Hygienist

DeAnna Niles