Merrell K. Kauwe, DPM

Dr. Kauwe was born in Hawaii, but raised much of his life in Utah.   He received his bachelors degree in biology at Utah Valley University.  He received his professional degree from the Des Moines University College of Podiatric Medicine and Surgery.  Dr. Kauwe completed a three year surgical residency at Trinity Regional Medical Center in Fort Dodge, IA.   While in school, and as a resident, Dr. Kauwe was involved in researching a new paradigm and approach to bunion surgery.  His and his collaborators work is represented in the philosophy behind the Lapiplasty surgery, correcting bunions in all cardinal planes of the body as well as at the primary level of the deformity.   

Dr. Kauwe is board qualified in foot surgery as well as rearfoot and ankle reconstruction.  He treats patients of all ages.

He is married to Genevieve and has three children, Jacob, David, and, Kalei



Scott G. DeMars, DPM

Dr. DeMars was raised in Green Bay, Wisconsin and moved to Billings with his family in 1979.  He graduated from Luther College in Decorah, Iowa, and received his Doctor of Podiatric Medicine degree from the California College of Podiatric Medicine in San Francisco.  After a podiatric surgical residency at the VA Medical Center in Albuquergue, NM, he started his Billings practice in 1988.  In 1993, Dr. DeMars joined Dr. O'Reilly to form Rimrock Podiatry.

Dr. Demars is a past president of the Montana Podiatric Medical Association, a member of the American Podiatric Medical Association, Board Certified by the American Board of Podiatric Surgery, and is a Fellow of the American College of Foot and Ankle Surgeons.  He has privileges at St Vincent Hospital and Yellowstone and Northern Rockies surgery centers in Billings.  Dr. DeMars also sees patients at the Mountainview Clinic in Red Lodge.

Dr. DeMars has two sons, Brandon, who attends MSU Billings and Ryan who is attending MSU Bozeman.  Dr. DeMars is an avid big game hunter and also enjoys backpacking, hiking, snowshoeing and cross country skiing.


David Huntsman, DPM

David Huntsman was born and raised in Shelley Idaho, but recently moved to Billings from Fairbanks Alaska where he started private practice in 2014.  He attended podiatry school in Chicago for 4 years.  After graduating from podiatry school he completed a 3 year surgical residency in the greater Detroit area.

Dr. Huntsman is board qualified in forefoot and rearfoot surgery by the American College of Foot and Ankle Surgeons, and is also board qualified by the American Podiatric Medical Association.  Dr. Huntsman wants to help his patients feel better and return to activity as soon as possible.

He is married with 4 kids; Isaac, Katelin, Tessa, and Hendrix.  He loves being outside and is passionate about hunting and backpacking in the mountains.  He and his family enjoy hunting, golfing, fishing, and snow skiing together

W. Charles O'Reilly, DPM

Dr O'Reilly has retired from practice as of July 31, 2019.  We wish him the best of luck in this new chapter of his life!