Doctors That Accept Medicare in Sidney, MT

92 Medicare-enrolled clinicians · CMS data, refreshed 2026-07-31

These are 92 clinicians enrolled in Medicare and practicing in Sidney, grouped by specialty below. Being enrolled means they can bill Original Medicare for your care. 20% accept assignment — they take Medicare's approved amount as full payment, so you only owe your deductible and 20% coinsurance. The largest specialty here is Diagnostic Radiology (28 clinicians). Call first to confirm they're accepting new Medicare patients.

Providers in Sidney by Specialty

Family Medicine(4)

Andrew Roberts, DO
Sidney Health Center
216 14th Ave Sw, Sidney59270
📞 (406) 488-2036May accept assignment
Devon Kuhlmann, DO
Sidney Health Center
214 14th Ave Sw, Sidney59270
📞 (406) 488-2112May accept assignment
Jerome Kessler, MD
Sidney Health Center
214 14th Ave Sw, Sidney59270
📞 (406) 488-2112May accept assignment
Orin Council, MD
Sidney Health Center
216 14th Ave Sw, Sidney59270
📞 (406) 488-2036May accept assignment

Internal Medicine(5)

Aaron Franke
Sidney Health Center
214 14th Ave Sw, Sidney59270
📞 (406) 488-2112May accept assignmentTelehealth available
Harnek Singh, MD
Sidney Health Center
214 14th Ave Sw, Sidney59270
📞 (406) 488-2112May accept assignment
Isaac Ingersoll, DO
Sidney Health Center
214 14th Ave Sw, Sidney59270
📞 (406) 488-2112May accept assignment
Noel Nguewoun, MD
Sidney Health Center
214 14th Ave Sw, Sidney59270
📞 (406) 488-2112May accept assignment
Rajohn Karanjai, MD
Sidney Health Center
214 14th Ave Sw, Sidney59270
📞 (406) 488-2112May accept assignment

Optometry(2)

Kristin Obrien, OD
Sidney Eye Care PLLC
124 S Central Ave, Sidney59270
📞 (406) 482-2609Accepts assignment
Matthew Biwer, OD
Sidney Eye Care PLLC
124 S Central Ave, Sidney59270
📞 (406) 482-2609May accept assignment

Ophthalmology(1)

Mark Raymond, MD
Trinity Health
124 S Central Ave, Sidney59270
📞 (406) 482-2609Accepts assignment

Podiatry(2)

Jennifer Gravos-Bauer, DPM
Sidney Health Center
214 14th Ave Sw, Sidney59270
📞 (406) 488-2112May accept assignment
Michael Lapan, DPM
Sidney Health Center
214 14th Ave Sw, Sidney59270
📞 (406) 488-2112May accept assignment

Orthopedic Surgery(2)

Eric Sigmond, MD
Sidney Health Center
214 14th Ave Sw, Sidney59270
📞 (406) 488-2112May accept assignment
James Scott, MD
Sidney Health Center
214 14th Ave Sw, Sidney59270
📞 (406) 488-2112May accept assignment

Audiology(1)

Ashley Anderson, AU
Sidney Health Center
214 14th Ave Sw, Sidney59270
📞 (406) 488-2112May accept assignment

Diagnostic Radiology(20)

Alison Haimes, MD
Sidney Health Center
214 14th Ave Sw, Sidney59270
📞 (406) 488-2112May accept assignment
Amy Federico, DO
Sidney Health Center
214 14th Ave Sw, Sidney59270
📞 (406) 488-2112May accept assignment
Amy Federico, DO
Sidney Health Center
216 14th Ave Sw, Sidney59270
📞 (406) 488-2036May accept assignment
Blake Poleynard, MD
Sidney Health Center
214 14th Ave Sw, Sidney59270
📞 (406) 488-2112May accept assignment
Blake Poleynard, MD
Sidney Health Center
216 14th Ave Sw, Sidney59270
📞 (406) 488-2036May accept assignment
Claudia Zacharias, MD
Sidney Health Center
214 14th Ave Sw, Sidney59270
📞 (406) 488-2112May accept assignment
Dennis Dejesus, MD
Sidney Health Center
214 14th Ave Sw, Sidney59270
📞 (406) 488-2112May accept assignment
Gabriela Santos Nunez, MD
Sidney Health Center
214 14th Ave Sw, Sidney59270
📞 (406) 488-2112May accept assignment
Gregg Sydow, MD
Sidney Health Center
214 14th Ave Sw, Sidney59270
📞 (406) 488-2112May accept assignment
John Morgan, MD
Sidney Health Center
214 14th Ave Sw, Sidney59270
📞 (406) 488-2112May accept assignment
Kedar Kulkarni, MD
Sidney Health Center
214 14th Ave Sw, Sidney59270
📞 (406) 488-2112May accept assignment
Kipp Van Camp, DO
Sidney Health Center
216 14th Ave Sw, Sidney59270
📞 (406) 488-2036May accept assignment
Kristi Sobota, MD
Sidney Health Center
214 14th Ave Sw, Sidney59270
📞 (406) 488-2112May accept assignment
Kristi Sobota, MD
Sidney Health Center
216 14th Ave Sw, Sidney59270
📞 (406) 488-2036May accept assignment
Michael Rethy, MD
Sidney Health Center
214 14th Ave Sw, Sidney59270
📞 (406) 488-2112May accept assignment
Patrick Mulligan, MD
Sidney Health Center
214 14th Ave Sw, Sidney59270
📞 (406) 488-2112May accept assignment
Richard Slone, MD
Sidney Health Center
214 14th Ave Sw, Sidney59270
📞 (406) 488-2112May accept assignment
Richard Slone, MD
Sidney Health Center
216 14th Ave Sw, Sidney59270
📞 (406) 488-2036May accept assignment
Ronald Sonken, MD
Sidney Health Center
214 14th Ave Sw, Sidney59270
📞 (406) 488-2112May accept assignment
Ronald Sonken, MD
Sidney Health Center
216 14th Ave Sw, Sidney59270
📞 (406) 488-2036May accept assignment

Physician Assistant(6)

Kevin Davis, PA
Scl Health Medical Group - Billings LLC
216 14th Ave Sw, Sidney59270
📞 (406) 237-5400Accepts assignmentTelehealth available
Lauren Larson, PA
Scl Health Medical Group - Billings LLC
216 14th Ave Sw, Sidney59270
📞 (406) 237-5400Accepts assignmentTelehealth available
Amie Schillinger, PA
Sidney Health Center
214 14th Ave Sw, Sidney59270
📞 (406) 488-2112May accept assignment
Amie Schillinger, PA
Sidney Health Center
216 14th Ave Sw, Sidney59270
📞 (406) 488-2036May accept assignment
Gilbert Lepel, PA
Sidney Health Center
214 14th Ave Sw, Sidney59270
📞 (406) 488-2112May accept assignment
Patricia Cantrell
Sidney Health Center
214 14th Ave Sw, Sidney59270
📞 (406) 488-2112May accept assignment

Mental Health Counselor(5)

Barbara Nelson
1002 14th St Sw, Sidney59270
📞 (406) 480-5600Accepts assignment
Barbara Nelson
1002 14th St Sw, Sidney59270
Accepts assignment
Heather Miller
1165 Red River Dr, Sidney59270
📞 (406) 546-5191Accepts assignment
Sara Perrault
1405 4th St Sw, Suite 2, Sidney59270
📞 (406) 643-4095Accepts assignment
Ellen Goodnature
Eastern Montana Community Mental Health Center
1201 W Holly St, Suite 4, Sidney59270
📞 (406) 433-4635Accepts assignmentTelehealth available

Nurse Anesthetist (CRNA)(5)

Adam Milton, CNA
Sidney Health Center
214 14th Ave Sw, Sidney59270
📞 (406) 488-2112May accept assignment
Brandon Allen, CNA
Sidney Health Center
216 14th Ave Sw, Sidney59270
📞 (406) 488-2036May accept assignment
Kevin Allen, CNA
Sidney Health Center
214 14th Ave Sw, Sidney59270
📞 (406) 488-2112May accept assignment
Susan Stengel, CNA
Sidney Health Center
216 14th Ave Sw, Sidney59270
📞 (406) 488-2036May accept assignment
Troy Stevens, CNA
Sidney Health Center
216 14th Ave Sw, Sidney59270
📞 (406) 488-2036May accept assignment

Nurse Practitioner(5)

Courtney Miller, NP
216 14th Ave Sw, Sidney59270
May accept assignment
Jessica Sweetser, NP
216 14th Ave Sw, Sidney59270
Accepts assignment
Martha Nugent, NP
813 S Central Ave, Sidney59270
📞 (406) 519-3446Accepts assignmentTelehealth available
Barbara Lundemo, CNA
Sidney Health Center
214 14th Ave Sw, Sidney59270
📞 (406) 488-2112May accept assignment
Kaci Dean, NP
Sidney Health Center
216 14th Ave Sw, Sidney59270
📞 (406) 488-2036May accept assignment

General Surgery(4)

Byron Wright, MD
Sidney Health Center
214 14th Ave Sw, Sidney59270
📞 (406) 488-2112May accept assignment
Deborah Harris, DO
Sidney Health Center
214 14th Ave Sw, Sidney59270
📞 (406) 488-2112May accept assignment
Peter Deveaux, MD
Sidney Health Center
214 14th Ave Sw, Sidney59270
📞 (406) 488-2112May accept assignment
Truman Weigand, MD
Sidney Health Center
214 14th Ave Sw, Sidney59270
📞 (406) 488-2112May accept assignment

Otolaryngology (ENT)(3)

George Davies, MD
216 14th Ave Sw, Sidney59270
May accept assignment
Brett Bennion, MD
Sidney Health Center
214 14th Ave Sw, Sidney59270
📞 (406) 488-2112May accept assignment
Daniel Barker, MD
Sidney Health Center
214 14th Ave Sw, Sidney59270
📞 (406) 488-2112May accept assignment

Obstetrics & Gynecology(3)

Kristan Adams, MD
Sidney Health Center
214 14th Ave Sw, Sidney59270
📞 (406) 488-2112May accept assignment
Lisa Ross, MD
Sidney Health Center
216 14th Ave Sw, Sidney59270
📞 (406) 488-2036May accept assignment
Malua Tambi Iya, MD
Sidney Health Center
214 14th Ave Sw, Sidney59270
📞 (406) 488-2112May accept assignment

Radiation Oncology(3)

Vladimir Valakh, MD
216 14th Ave Sw, Sidney59270
May accept assignment
Berna Demalignon, MD
Sidney Health Center
214 14th Ave Sw, Sidney59270
📞 (406) 488-2112May accept assignmentTelehealth available
Ralf Kiehl, MD
Sidney Health Center
214 14th Ave Sw, Sidney59270
📞 (406) 488-2112May accept assignment

Chiropractic(2)

Michael Fink, DC
120 E Main St, Suite 7, Sidney59270
📞 (406) 433-2225Accepts assignment
Ryan Laqua, CH
222 2nd Ave Sw, Sidney59270
📞 (406) 433-4757Accepts assignment

Hospitalist(2)

Edward Bergin, MD
Sidney Health Center
216 14th Ave Sw, Sidney59270
📞 (406) 488-2036May accept assignment
Janelle Jones, MD
Sidney Health Center
216 14th Ave Sw, Sidney59270
📞 (406) 488-2036May accept assignment

Pain Management(1)

Christine Hoglund, DO
Sidney Health Center
214 14th Ave Sw, Sidney59270
📞 (406) 488-2112May accept assignment

Medical Oncology(1)

Robert Joseph, MD
Sidney Health Center
214 14th Ave Sw, Sidney59270
📞 (406) 488-2112May accept assignment

Gynecologic Oncology(1)

Alexis Hokenstad, MD
Scl Health Medical Group - Billings LLC
216 14th Ave Sw, Sidney59270
📞 (406) 237-5400Accepts assignmentTelehealth available

Emergency Medicine(1)

Robert Ledda, MD
Sidney Health Center
216 14th Ave Sw, Sidney59270
📞 (406) 488-2036May accept assignment

Interventional Radiology(1)

Sridhar Naidu, DO
Sidney Health Center
216 14th Ave Sw, Sidney59270
📞 (406) 488-2036May accept assignment

Pediatrics(1)

Maria Marchenko, MD
216 14th Ave Sw, Sidney59270
Accepts assignment

Other Cities in Montana

New to Medicare?

Frequently Asked Questions

Are these doctors in Sidney accepting new Medicare patients?

We can't say for sure — CMS's enrollment data confirms a provider is enrolled in Medicare, not whether their practice is currently open to new patients. Call first to confirm they're accepting new Medicare patients before you book.

Do doctors in Sidney accept Medicare assignment?

20% of the 92 Medicare-enrolled clinicians listed in Sidney accept assignment — meaning they take Medicare's approved amount as full payment, so you only owe your deductible and 20% coinsurance. Another 80% are marked "may accept assignment," so ask when you call.

Will these doctors work with my Medicare Advantage plan?

Not necessarily. This directory is built from Medicare enrollment data, which applies to Original Medicare. If you have a Medicare Advantage plan, your plan's own network determines who's covered — check your plan's directory first, then confirm with the office directly.

Do any doctors in Sidney offer telehealth visits?

8% of the Medicare-enrolled clinicians listed in Sidney offer telehealth, per CMS enrollment data. Look for the "Telehealth available" badge below, and confirm with the office which visit types they offer remotely.

Provider data from the CMS Doctors and Clinicians National Downloadable File, refreshed 2026-07-31. Directory information only, not medical or insurance advice. View all Medicare doctors in Montana →

Was this page helpful?

Something wrong or missing? Tell us — we read every report and fix issues fast.