Clinic Services

Meet Our Medical Team

Chris Baumert
Medical Director

Schooling: M.D., Temple University School of Medicine, Philadelphia, PA
B.S., Virginia Tech, Blacksburg, VA
Joined Staff: 2011
Medical interests: Health policy and health system improvement, prenatal care and ultrasound, women’s health, dermatology, sports medicine and musculoskeletal care.
Outside interests: Hiking, biking, running, skiing, yoga, and spending time with friends and family

Garth Brand

M.D. Ross University, Portsmouth, Dominica
Undergraduate degree, Whitman College, Biochemistry Biophysics and Microbiology, Walla Walla, Wash.

Joined Staff: 2012

Medical interests: Full spectrum, hospital and addiction medicine as well as clinical reasoning

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

Yuri Brito

Year joined staff: 2021

Schooling: Baruch College/City University of New York, BBA. Columbia University, School of General Studies, New York, N.Y., post-baccalaureate pre-medical.

Frank Netter School of Medicine at Quinnipiac University, North Haven, Conn.

Outside Interests: Running, hiking, soccer, mindfulness and meditation, learning to play the electric guitar well, did I mention soccer?

Medical interests: Family medicine, integrative and holistic medicine, lifestyle and preventive medicine, mental health and veterans’ health.

Ali Brock

Schooling: MD: Warren Alpert Medical School of Brown University, Providence, R.I.
Undergraduate: B.A. in music performance, Goucher College, Baltimore, Md.
Joined staff: 2017
Medical interests: Geriatric medicine, specifically geriatric syndromes and elder abuse/neglect, mental health, adolescent medicine and the social determinants of health.
Outside interests: Rock climbing, exploring dog-friendly parks & trails, making delicious chocolate at home.

Douglas R. Burns

Schooling: DO: Touro College of Osteopathic Medicine, Harlem N.Y.

Undergraduate: Montana State University, Bozeman

Joined staff: 2020

Outside interests: Skiing, biking, collaborative story telling games, reading fiction, reflective writing

Medical Interests: Hospice and palliative care, improving health access, and patient education

Zack Cady

Schooling: American University of Antigua College of Medicine. Metropolitan State University of Denver/University of Colorado Denver.

Joined staff: 2022.

Medical interests: Public health and social determinants of health and wellness, restorative justice in healthcare and health equity, women’s health and OB-GYN.

Outside interests: Dogs, cooking, skincare, travel and home improvement.

Christian Caruso

Schooling: Graduate degrees, Oregon Health & Science, Physician Assistant Program, Portland, Ore. and University of Arizona, Tucson.

Undergraduate degree, Montana State University, Bozeman

Date joined staff: 2013

Medical interests:  Primary care, orthopedics, HIV/AIDS, correctional medicine

Outside interests:  Good food, travel, biking, and skiing

Ruth Chadwick

Schooling: MD: The Medical School of International Health, Ben Gurion University of the Negev, Beersheva, Israel. MPH: Johns Hopkins University, Baltimore, Md.

Undergraduate: Gordon College, Wenham, Mass.,

Joined Staff: 2020

Medical Interests: Obstetrics, pediatrics, cross-cultural medicine, public health, emergency management

Outside Interests:  I am an avid baker and love exploring foods from around the world. I also sew and have a particular interest in refashioning and historical costuming.  I love animals of all kinds.

Raul Chavarria

Joined staff: 2022
Schooling: M.D., Ross University School of Medicine, Barbados.
Undergraduate Degree, Bachelor of science in physics, Florida International University, Miami.
Medical interests: Preventative medicine, diabetic management, women’s health, including prenatal and pediatric care, wilderness medicine.
Outside Interests: Hiking with my wife, spending time with family and friends, team sports, running, cycling, strategy games, going to the movies and being outdoors as much as possible. I was born in Nicaragua and speak Spanish. Nacido en Nicaragua y hablo Español.

Abby Dalton

Schooling: Masters of Clinical Health Services, University of Washington MEDEX NW, Seattle Wash. Undergraduate: B.A. in Health Sciences through Carroll College, Helena Mont.

Joined staff:  2016

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

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

Schooling: University of North Carolina at Chapel Hill, MD and Ph.D. Washington State University, Pullman, Wash., bachelor’s degree in genetics and biodiversity, master’s degree in biotechnology.

Medical residency: University of Nevada Las Vegas School of Medicine, Las Vegas and Winnemucca, Nev.

Board certification: American Board of Family Medicine.

Joined staff: 2021.

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

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

Kami Doak

Schooling: Master of Physician Assistant, Rocky Mountain College, Billings
Undergraduate: B.S. in Zoology, North Dakota State University, Fargo
Joined staff:  2017
Medical interests:  Primary care, orthopedics, trauma, wound care
Outside interests:  My children, fishing and the outdoors, gardening, reading, traveling

Joy Eshleman

Schooling: PA-C University of Washington, Seattle
Undergraduate: AA, RN, University of Nevada, Las Vegas.
Joined staff: 2007
Medical interests: Family practice and emergency medicine
Outside interests: Volunteer on an EMS unit and officer on a rural fire board

Brooke Fettig

Joined staff: 2021

Schooling: University of North Dakota, Grand Forks, bachelor of science.

University of North Dakota School of Medicine, Grand Forks.

Outside interests: Spending time with family and my Bernese mountain dog, camping, fishing, ice fishing, kayaking, running, disc golf, baking and reading.

Medical interests: Women’s health, pediatrics and rural medicine.

Amanda Fields

Schooling: MD: Pacific Northwest University of Health Sciences, Yakima, Wash.

Undergraduate:  Central Washington University, Ellensburg, Wash.

Joined Staff: 2020

Medical Interests: obstetrics and women’s health, wellness, preventative and rural medicine, geriatrics

Outside Interests:  Hiking, camping, skiing, kayaking, paddle boarding – anything that involves exploring.

Isaac Fonken

Schooling: Colorado University School of Medicine, Aurora, Colo. Undergraduate degree: Whitworth University, Spokane, Wash., bachelor of health science.

Medical residency: Family Medicine Center, Fort Collins, Colo.

Joined staff: 2021.

Medical interests: Maternal and child health, addiction treatment, hepatitis C treatment and hospital medicine.

Outside interests: Climbing, good food (making it and eating it), summer and winter sports.

Paolo Gerbasi

Schooling: M.D.: University of Washington School of Medicine, Seattle WA.

Undergraduate degree: Montana State University, Bozeman MT.

Residency: Montana Family Medicine Residency, Billings MT.

Board certification: American Board of Family Medicine

Year joined faculty: 2014, full time 2021

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

Outside interests: Spending time with my wife of 32 years, Nancy, and visiting our kids, all five of them, and grandkids, two of them, 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.

Mike Geurin

Schooling: M.D., University of Oklahoma College of Medicine, Tulsa
M.A. University of Oklahoma, Norman
B.A. Oklahoma Baptist University, Shawnee
A.A. Bartlesville Wesleyan College, Bartlesville, Oklahoma
Joined Staff: 2004
Medical interests: Graduate medical education, information mastery, diabetes care, and maternity care
Outside interests: Nature, and photographing nature, music and singing first tenor with the Billings Symphony Orchestra. Stories of all kinds: literature, cinema, and my patients’ stories.

James Guyer

Schooling: M.D., University of California, San Diego School of Medicine, La Jolla
B.A., University of Montana, Missoula
Joined Staff: 2003
Medical interests: Rural medicine, aerospace medicine, veterans medicine and complementary medicine
Outside interests: Running (slowly), skiing-downhill and cross-country, biking and tinkering.

Marina Hansen

Joined staff: 2021

Schooling: Cell biology and neuroscience, Montana State University, Bozeman.

University of Washington School of Medicine, Seattle.

Outside Interests: Spending time with my husband, pets, family and friends, outdoor activities and gardening.

Medical interests: Wilderness medicine, rural medicine, obstetrics, pediatrics and palliative care

Alex Hetrick

Joined staff: 2021

Schooling: University of Alabama – Tuscaloosa, bachelor of science in biology, bachelor of art in history with Japanese minor. Eastern Mennonite University – Harrisonburg, Va., master’s degree in biomedicine.

Rocky Vista University College of Osteopathic Medicine – Ivins, Utah.

Outside interests: Hiking, paddle boarding, camping, climbing, woodworking, and international backpacking.

Medical interests: Wilderness medicine, global medicine and wound care.

Erin Hixson
Assistant Medical Director of Informatics

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

Joined staff: 2021

Board certification: American Board of Family Medicine

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

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

Eric Hjatalin

Schooling: Medical school, Rocky Vista University, Parker, Colo. Bachelor of arts, Carroll College, Helena.

Joined staff: 2022

Medical interests: Sports medicine, pediatrics, comprehensive care.

Outside interests: Skiing, fishing, boating and working on my car.

Jalyn Huft

Joined staff: 2021

Schooling: Rocky Mountain College, Billings, MT

University of Washington School of Medicine, Seattle.

Outside interests: Hiking, snowboarding, running, and playing with my golden retriever.

Medical interests: Women’s health, including prenatal care, addiction medicine, and chronic disease management.

Zach Hunter

Schooling:  Master of Physician Assistant Studies, Rocky Mountain College, Billings

Joined staff: 2019

 Medical interests:  Preventive health management & pediatrics  

Outside interests:  Running, outdoor recreation, reading

Kaci Jansma

Schooling: Graduate degrees, PA-C and Masters of Clinical Health Services, MEDEX, University of Washington, Seattle
Undergraduate: B.S. of Health and Human Performance, Montana State University Billings
Joined staff: 2015
Medical interests: Sports medicine and family practice
Outside interests: She and her husband, Seth, enjoy helping out on the family’s cattle ranch in Richey, Mont., and lending a hand to local ranching families. They also love to spending time with their nieces and nephew. Personal hobbies include participating and instructing fitness groups and volleyball camps for middle school and high school girls.

Naomi Keehn

Schooling: Rocky Mountain College, master of Physician Assistant Studies, 2021.
Undergraduate: University of Minnesota Morris, Bachelor of Arts degree in biology with minor in deaf studies.
Joined staff: 2021
Medical Interests: Primary care, preventive medicine, women’s health and behavioral health.
Outside interests: Hiking, camping, snowboarding, traveling, board games, crafting and dogs.

Katherine Ellis Keith

Schooling: Vanderbilt University, master of science in nursing.
Undergraduate: Furman University, bachelor of science.
Board certification: American Academy of Nurse Practitioners, 2021.
Joined staff: 2022.
Medical interests: Public health, nutrition, social determinants of health.
Outside interests: Any activity that affords me time in the mountains. I also love appreciating and curating multimedia art.

Julie Kelso

Schooling: M.D., University of Nebraska Medical Center, Omaha, Neb., 2001. Bachelor of science in biology and Spanish, Rocky Mountain College, 1997.

Residencies: University of Colorado Health Sciences Center, Denver; pediatric intern, psychiatric resident, psychiatric chief resident.

Columbia University, New York, N.Y., public psychiatry fellow.

Board certification: American Board of Psychiatry and Neurology, 2006.

Joined staff: 2021

Medical interests: Collaborative care, deprescribing, depression, bipolar disorder, domestic violence, transaffirmative care.

Outside interests: Spending time with spouse of 21 years, son and daughter and family’s miniature schnauzers. Skiing, hiking, biking, reading and travel.

Christian Kilpatrick

Schooling:  Midwestern University – Arizona College of Osteopathic Medicine, Glendale Sheridan, Wyo.

Undergraduate: University of Wyoming, Laramie

Joined staff: 2020

Medical Interests: Wilderness medicine, sports medicine.

Outside Interests: I’m a big fan of the outdoors, so that’s usually where you’ll find me if I have some free time. I was raised in the Big Horn Mountains above Sheridan, Wyo., and have spent a large portion of my life camping, hunting, fishing, and hiking. My other big passion is music. I’ve played the guitar since I was 12.

John Konow

Schooling: MD: University of Queensland – Ochsner Clinical School, Brisbane, Australia, & New Orleans, La.

Undergraduate: Vassar College, Poughkeepsie, N.Y.

Joined staff: 2020

Medical Interests: Emergency medicine, sports medicine, patient education, full-spectrum family medicine

Outside Interests: Dogs, nature, coloring, hiking, trying to play sports

Jameson Laub

Joined staff: 2021

Schooling: College of Wooster, Wooster, Ohio, bachelor’s in biology.

A.T. Still University School of Osteopathic Medicine in Arizona (year 2-4 clinical rotations in Seattle area).

Outside interests: Hiking, rock climbing, skateboarding, board games, reading epic fantasy, watching Marvel movies.

Medical interests:  Rural medicine, preventative medicine, chronic pain management, substance use disorder management, osteopathic manipulative treatment and wilderness medicine.

Staci Lee

Schooling: M.D.: Keck School of Medicine, University of Southern California, Los Angeles, CA.

Undergraduate: Iowa State University, Ames, IA.

Graduate:  Johns Hopkins University, Baltimore, MD, master of education in Health Professions.

Residency: Mayo Clinic, Rochester, MN; Internal Medicine Residency, Infectious Diseases Fellowship

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

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
Chief Medical Officer

M.D., University of Maryland School of Medicine, Baltimore, Md.
Undergraduate degree, Connecticut College, New London, Conn.

Residency: University of Chicago, Ill.

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

Joined Staff: 2011

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

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

Cassie Lowry Edmark

Schooling: MD: Pacific Northwest University, Yakima, Wash.

Undergraduate: Purdue University, West Lafayette, Ind.

Joined staff: 2020

Medical Interests: Austere, expedition, rescue, altitude, sports, and emergency medicine; critical care, trauma care, point-of-care ultrasound

Outside Interests: Skiing, rock climbing, mountaineering, sewing, and working on electronics projects.

Luke Leary

Schooling: University of Mississippi School of Medicine, Jackson. Bachelor’s degree in biology with chemistry minor, University of Mississippi “Ole Miss”.

Joined staff: 2022.

Medical interests: Rural full spectrum (hospital and clinic), sports medicine, wilderness medicine, hospital medicine.

Outside interests: Spending time with family, friends and my dog, bird hunting, fishing, hiking, exercise, watching sports and occasionally attempting them.

Travis Loy

Joined staff: 2021

Schooling: Bachelor’s in biology, Florida Atlantic University

Ross University School of Medicine, Barbados

Outside Interests: Mentorship, service, missions work, cookery and food preservation, gardening, fly and deep-sea fishing, guitar, piano, live music production, cross-country walking and purposeful living.

Medical Interests: Preventative medicine, dietary health, mental health, medical missions and mentorship in healthcare

Sam Matz

Schooling: MD: Oregon Health & Science University, Portland

Undergraduate: Excelsior College, N.Y.; Portland State University, Ore.

Joined staff: 2020

Medical Interests: Wilderness medicine, emergency medicine, quality improvement in medicine.

Outside Interests: Kite surfing, snowboarding, mountain biking, climbing, and loads of hiking

Chris Miller

Schooling: M.D. Pennsylvania State University College of Medicine, Hershey.   B.S. Washington State University, Pullman

Joined staff:  2019

Medical interests:  End-of-life discussions and care; management of complex health situations;
wilderness medicine

Outside interests: Camping, hiking, hunting, fishing, skiing, light water activities, hockey, baseball/softball, woodworking

James Miller

Schooling: Master’s degree, Rocky Mountain College Physician Assistant Studies
Undergraduate: B.S. in Biology from Rocky Mountain College
Joined staff: 2017
Medical interests: Family medicine
Outside interests: Hunting, fishing and boating

Megha Mudireddy

Schooling: University of North Dakota School of Medicine, Grand Forks. Bachelor of science, University of North Dakota, Grand Forks

Joined staff: 2022.

Medical interests: Women’s health, preventive medicine, pain management, sports medicine, skin diseases.

Outside interests:  Spending time with family and friends, reading, tennis, traveling and cooking.

Sharon Mulvehill

Schooling: M.D. University of Texas Southwestern Medical School, Dallas
Undergraduate degree: B.S. Nursing, Texas Women’s University, Benton
Joined Staff: 2005
Medical interests: Ultrasound, maternity care, diabetes
Outside interests: Horses, music

DeAnna Niles

Schooling: Graduate degree, MedEx Northwest University of Washington, Seattle

Undergraduate degree, Carroll College, Helena, Mont.

Date joined staff: 2012

Medical interests: Women’s health and diabetes

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

Daniel Pak

Joined staff: 2021

Schooling: Bachelor of arts, Swarthmore College, Swarthmore, Pa.

University of Washington School of Medicine, Seattle.

Outside interests: Korean culture and language, gardening, cooking, classical and contemporary music.

Medical interests: Immigrant and underserved health, spreading awareness of chronic hepatitis B infection in Asian-Americans, quality improvement, healthcare policy and public health.

Adam Putnam

Schooling: Bachelor’s in biochemistry and molecular biology, Rhodes College, Memphis, Tenn.

A.T. Still University-Kirksville College of Osteopathic Medicine, Kirksville, Mo.

Outside interests: Backpacking, kayaking, skiing, snowboarding, climbing, board games, reading,

video games and dogs (my own and all).

Medical interests: Rural full spectrum, obstetrics, emergency, global medicine, point of care ultrasound.

Grace Rose

Schooling: Pacific Northwest University of Health Sciences, School of Osteopathic Medicine, Yakima, Wash. Bachelor of science in human nutrition, Southern Utah University, Cedar City.

Joined staff: 2022

Medical interests: Obstetrics, pediatrics, addiction medicine, rural health, and diabetes management.

Outside interests: Camping, hiking, visiting ghost towns, hanging out with my family, spending time playing card and board games, playing with my dog, kayaking, and doing home renovations.

Joel Ross

Schooling: Burrell College of Osteopathic Medicine.  Las Cruces, N.M. Weber State University, Ogden, Utah, bachelor of arts with Spanish major, emphasis in international business and chemistry minor,

Joined staff: 2022.

Medical interests: Family medicine, wilderness medicine, integrative medicine, osteopathic medicine, functional medicine.

Outside interests: Spending time with my wife and two children, and most any outdoor activity. Volunteer work, mountain biking, hiking, swimming, camping, soccer, watching movies, skiing, snowboarding, snowmobiling, wake boarding, long boarding, paddle boarding, surfing, martial arts and reading.

Shae Saunders

Schooling: American University of Antigua College of Medicine. Metropolitan State University of Denver/University of Colorado Denver.

Joined staff: 2022.

Medical interests: Public health and social determinants of health and wellness, restorative justice in healthcare and health equity, women’s health and OB-GYN.

Outside interests: Dogs, cooking, skincare, travel and home improvement.

Dorothy Sizemore

Schooling: Montana Family Medicine Residency, Billings MT. Rocky Vista University College of Osteopathic Medicine, Parker CO. B.S. in Cell Biology & Neuroscience 2009, M.S. in Health Science 2010 Montana State University Bozeman MT.

Board certification: American Osteopathic Board of Family Physicians

Joined staff: 2023

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

Outside interests: Travel, hiking, reading, baking

Amy Solomon

Schooling:  M.D:  St. Louis University School of Medicine, Mo.
Undergraduate: B.A. Psychology from University of California, La Jolla
Joined staff: 2018
Medical interests: Belief in care of the whole person, with fellowship training in Integrative Medicine as well as board certification in Addiction Medicine.  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.
Board Certification: American Board of Family Medicine, American Board of Addiction Medicine
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.

David Supinski

Schooling: University of Minnesota Medical School, Minneapolis Minn. Bachelor of arts in biology from Concordia College, Moorhead, Minn.

Joined staff: 2022

Medical interests: Rural family medicine, preventative medicine, emergency medicine, sports and exercise medicine, maternity and newborn care.

Outside interests: Running, biking, swimming, cross country skiing, pickle ball, tennis, basketball, spike ball, corn hole, golf, hiking, backpacking, camping, hunting, wood working, painting, music, cooking and reading.