HealthcareDiscovery.AI / Doctors / Montana / Nephrology

Nephrologists in Montana

Data updated monthly · Last refresh October 2026

25 Nephrology providers practice in Montana, including 11 (44%) 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.

25providers
11telehealth
Billingstop city

Nephrology by city in Montana

Choose a city to see providers there.

Nephrology in Billings7 providers
Nephrology in Missoula6 providers
Nephrology in Bozeman5 providers
Nephrology in Kalispell4 providers
Nephrology in Great Falls2 providers
Nephrology in Helena1 providers

Where Nephrologists in Montana practice

From CMS Medicare enrollment records covering 17 of the 25 providers listed here (68%). Providers who do not bill Medicare are not included in these figures.

0%solo or small practice (under 10 clinicians)
12%mid-size group (10 to 99)
88%large group or health system (100+)

Largest practice groups

Group (as registered with Medicare)NephrologistsAll clinicians in groupMain city
Billings Clinic4814Billings
Kalispell Regional Medical Center Inc.3422Kalispell
Bozeman Health Deaconess Hospital3309Bozeman
Benefis Hospitals Inc.2390Great Falls
Providence Health and Services Mt2358Missoula

Hospitals where they hold privileges

HospitalCityOwnershipCMS star ratingNephrologists affiliated
Bozeman Health Deaconess HospitalBozemanNonprofit4 of 54
Billings Clinic HospitalBillingsNonprofit4 of 54
St. Patrick HospitalMissoulaNonprofit5 of 54
St James HospitalButteNonprofit2 of 54
Logan Health Medical CenterKalispellNonprofit3 of 53

Sources: CMS Doctors and Clinicians (August 2026) and Facility Affiliation files (August 2026); hospital ownership type and overall star rating from CMS Hospital General Information (July 2026). A clinician in several groups is counted once, in the largest group they bill through. Ownership type is what the hospital reports to CMS; it does not show private equity or other investor ownership. How we build this directory.

Nephrology 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. Grace Kim, M.D.
Billings, MT · No drug or device payments recorded (2025) · (406) 698-9742
Dr. James Knostman, MD
Billings, MT · No drug or device payments recorded (2025) · (406) 238-2500
Dr. Jonathan Jakubowski, MD
Billings, MT · $19 in drug and device payments (2025) · Telehealth · (406) 237-1415
Dr. Kendrick Trostel, M.D.
Billings, MT · $19 in drug and device payments (2025) · Telehealth · (406) 238-2500
Dr. Kristen Zack, MD
Billings, MT · $161 in drug and device payments (2025) · (406) 238-2500
Dr. Marco Thierry, MD
Billings, MT · $28 in drug and device payments (2025) · Telehealth · (406) 238-5046
Dr. Michael Ganz, M.D.
Billings, MT · $26 in drug and device payments (2025) · Telehealth · (406) 237-8500
Dr. Anna Jovanovich, MD
Bozeman, MT · No drug or device payments recorded (2025) · Telehealth · (406) 414-2410
Dr. Christopher Rich, M.D.
Bozeman, MT · No drug or device payments recorded (2025) · Telehealth · (406) 414-2410
Dr. Cindy Sharp, MD
Bozeman, MT · No drug or device payments recorded (2025) · (406) 414-2410
Dr. Gerald Groggel, MD
Bozeman, MT · No drug or device payments recorded (2025) · (406) 522-2410
Dr. Stephen Guggenheim, M.D.
Bozeman, MT · No drug or device payments recorded (2025) · (406) 587-9411
Dr. Ruslan Soldyshev, M.D.
Great Falls, MT · $1,161 in drug and device payments (2025) · (406) 454-2171
Dr. Varghese Parambi, MD
Great Falls, MT · No drug or device payments recorded (2025) · (406) 771-6800
Dr. Robert Laclair, M.D.
Helena, MT · No drug or device payments recorded (2025) · (406) 457-4180
Dr. Gabor Bodonyi-kovacs, MD
Kalispell, MT · No drug or device payments recorded (2025) · Telehealth · (406) 752-7406
Dr. Robert Valleau, D.O.
Kalispell, MT · $51 in drug and device payments (2025) · (406) 752-7406
Dr. Scot Born, M.D.
Kalispell, MT · No drug or device payments recorded (2025) · (406) 752-7406
Dr. Tobin Hoppes, M.D.
Kalispell, MT · No drug or device payments recorded (2025) · Telehealth · (406) 752-7406
Dr. Benjamin Lawson
Missoula, MT · $66 in drug and device payments (2025) · Telehealth · (406) 213-8939
Dr. Curtis Wickre, MD
Missoula, MT · No drug or device payments recorded (2025) · (406) 327-1900
Dr. John Lakatua, MD
Missoula, MT · No drug or device payments recorded (2025) · Telehealth · (406) 721-5600
Dr. Jonathan Mcneely, M.D.
Missoula, MT · No drug or device payments recorded (2025) · (406) 327-1900
Dr. Margaret Eddy, MD
Missoula, MT · No drug or device payments recorded (2025) · (406) 721-5600
Dr. Shahid Chaudhary, M.D.
Missoula, MT · No drug or device payments recorded (2025) · Telehealth · (406) 327-4283

Conditions Nephrology providers in Montana commonly treat

Patients often search by condition rather than specialty. These are conditions typically managed by Nephrology providers. Individual practices vary, so confirm with the provider before booking.

Common questions

How many Nephrology providers are in Montana?

There are 25 Nephrology providers with active NPI records practicing in Montana, according to federal NPPES data refreshed monthly.

Do Nephrology providers in Montana offer telehealth?

Yes. 11 of the 25 Nephrology providers in Montana (about 44%) report offering telehealth services in CMS data.

Which cities in Montana have the most Nephrology providers?

Billings (7), Missoula (6), Bozeman (5) have the highest concentration of Nephrology providers in Montana.

How many Nephrology providers in Montana received drug or device company payments?

8 of 25 Nephrology providers in Montana (32%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.

What conditions do Nephrology providers in Montana treat?

Nephrology providers commonly treat chronic kidney disease, kidney stones, dialysis care, high blood pressure and related conditions. Individual practices vary, so confirm with the provider before booking.

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 Nephrologists in Montana work in independent practices or large health systems?

Among 17 Nephrologists in Montana enrolled in Medicare, 0% bill through a solo or small practice with fewer than 10 clinicians, 12% through a mid-size group of 10 to 99, and 88% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.

Which hospitals do Nephrologists in Montana work at?

According to CMS facility affiliation records, the Montana hospitals where the most Nephrologists hold privileges are Bozeman Health Deaconess Hospital in Bozeman; Billings Clinic Hospital in Billings; St. Patrick Hospital in Missoula.

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Related

Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory. Are you a Nephrology in Montana? Get featured.