General Surgeons in Montana
Data updated monthly · Last refresh October 2026
137 Surgery providers practice in Montana, including 14 (10%) offering telehealth. The largest concentration is in Billings. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.
137providers
14telehealth
Billingstop city
Surgery by city in Montana
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Surgery providers in Montana
Listed by city, largest first. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.
Dr. Michael Evans, M.D.Fort Harrison, MT · No drug or device payments recorded (2025) ·
(406) 442-6410 Dr. Anne Williams, M.D.Glasgow, MT · No drug or device payments recorded (2025) ·
(406) 228-3653 Dr. Anthony Colacino, M.D.Glasgow, MT · No drug or device payments recorded (2025) ·
(406) 228-3536 Dr. Mark Hiesterman, D.O.Glasgow, MT · No drug or device payments recorded (2025) ·
(406) 228-3536 Dr. Kelly Dinnan, D.O.Glendive, MT · $1,090 in drug and device payments (2025) ·
(406) 345-8901 Dr. Aaron Hasenkrug, M.D.Great Falls, MT · $267 in drug and device payments (2025) ·
(406) 731-8888 Dr. Chad Engan, MD FACSGreat Falls, MT · $42 in drug and device payments (2025) ·
(406) 731-8888 Dr. Dale Mortenson, MD, FACSGreat Falls, MT · $217 in drug and device payments (2025) ·
(406) 731-8888 Dr. Glenn Winslow, MDGreat Falls, MT · $158 in drug and device payments (2025) ·
(406) 454-2171 Dr. Jeremy Jensen, MDGreat Falls, MT · $169 in drug and device payments (2025) ·
(573) 882-4141 Dr. Mark Newbrough, MD FACSGreat Falls, MT · No drug or device payments recorded (2025) ·
(406) 788-6281 Dr. Rebecca Phuoc, M.D.Great Falls, MT · $165 in drug and device payments (2025) ·
(406) 731-8888 Dr. William Huval, MDGreat Falls, MT · No drug or device payments recorded (2025) ·
(406) 454-2171 Dr. William Mcgregor, M.D.Great Falls, MT · No drug or device payments recorded (2025) ·
(406) 727-4070 Dr. Frederick Ilgenfritz, M.D.Hamilton, MT · No drug or device payments recorded (2025) ·
(406) 363-4574 Dr. Joshua Waggener, MDHamilton, MT · $21 in drug and device payments (2025) ·
(406) 375-2930 Dr. Luke Channer, M.D.Hamilton, MT · $54 in drug and device payments (2025) ·
(406) 375-2930 Dr. Allen Rebchook, MDHavre, MT · No drug or device payments recorded (2025) ·
(406) 390-2423 Dr. Damian Ymzon, M.D.Havre, MT · $8,630 in drug and device payments (2025) ·
(406) 265-7831 Dr. Petro Yousef, M.D., C.M.Havre, MT · $10,190 in drug and device payments (2025) ·
(406) 265-7831 Dr. Sara Wilcox, M.D, PHDHavre, MT · No drug or device payments recorded (2025) ·
(406) 265-7831 Dr. Dale Johnson, MDHelena, MT · No drug or device payments recorded (2025) ·
(406) 443-1579 Dr. Debra Kontny, DOHelena, MT · $1,265 in drug and device payments (2025) ·
(406) 513-1962 Dr. Matthew Goldes, MDHelena, MT · $205 in drug and device payments (2025) · Telehealth ·
(406) 442-2480 Dr. Natalie Gonzales, D.O.Helena, MT · No drug or device payments recorded (2025) ·
(406) 442-0099 Dr. William Harper, M.D.Helena, MT · No drug or device payments recorded (2025) ·
(406) 442-0099 Dr. Cynthia Payne, M.D.Kalispell, MT · $78 in drug and device payments (2025) ·
(406) 752-5000 Dr. Erik Peltz, DOKalispell, MT · No drug or device payments recorded (2025) ·
(406) 752-5000 Dr. Ida Wilson, MDKalispell, MT · No drug or device payments recorded (2025) ·
(406) 751-5392 Dr. James Cromie, MDKalispell, MT · $420 in drug and device payments (2025) · Telehealth ·
(406) 751-5392 Dr. John Means, MDKalispell, MT · $9,689 in drug and device payments (2025) ·
(406) 751-5392 Dr. Melissa Kaptanian, MDKalispell, MT · No drug or device payments recorded (2025) · Telehealth ·
(406) 751-6488 Dr. Randall Zuckerman, M.D.Kalispell, MT · $2,198 in drug and device payments (2025) ·
(406) 751-5392 Dr. Robin Harrison, M.D.Kalispell, MT · No drug or device payments recorded (2025) ·
(406) 752-5000 Dr. Sydney Lillard, M.D.Kalispell, MT · $1,184 in drug and device payments (2025) · Telehealth ·
(406) 752-5000 Dr. Barbara Miller, MDLewistown, MT · No drug or device payments recorded (2025) ·
(406) 535-6262 Dr. David Napoliello, M.D., FACSLewistown, MT · No drug or device payments recorded (2025) ·
(406) 535-1502 Dr. Gardner Smith, MDLewistown, MT · No drug or device payments recorded (2025) ·
(406) 535-1502 Dr. Garrett Taylor, MDLewistown, MT · No drug or device payments recorded (2025) ·
(406) 535-1502 Dr. Lance Ercanbrack, M.D.Libby, MT · No drug or device payments recorded (2025) ·
(406) 405-2112 Dr. Thad Kandel, M.D.Libby, MT · No drug or device payments recorded (2025) ·
(406) 283-6800 Dr. Justin Roberts, M.D.Livingston, MT · $55 in drug and device payments (2025) ·
(406) 222-0800 Dr. Kurt Ammerman, D.O.Miles City, MT · No drug or device payments recorded (2025) ·
(406) 233-2600 Dr. Mark Nichols, M.D.Miles City, MT · No drug or device payments recorded (2025) ·
(406) 233-2500 Common questions
How many Surgery providers are in Montana?There are 137 Surgery providers with active NPI records practicing in Montana, according to federal NPPES data refreshed monthly.
Do Surgery providers in Montana offer telehealth?Yes. 14 of the 137 Surgery providers in Montana (about 10%) report offering telehealth services in CMS data.
Which cities in Montana have the most Surgery providers?Billings (26), Missoula (19), Bozeman (12) have the highest concentration of Surgery providers in Montana.
How many Surgery providers in Montana received drug or device company payments?63 of 137 Surgery providers in Montana (46%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
Where does this data come from?Provider counts and profiles come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.
Do most General Surgeons in Montana work in independent practices or large health systems?Among 81 General Surgeons in Montana enrolled in Medicare, 16% bill through a solo or small practice with fewer than 10 clinicians, 35% through a mid-size group of 10 to 99, and 49% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do General Surgeons in Montana work at?According to CMS facility affiliation records, the Montana hospitals where the most General Surgeons hold privileges are Billings Clinic Hospital in Billings; St. Patrick Hospital in Missoula; Intermountain Health St Vincent Regional Hospital in Billings.
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