Pulmonologists in Montana
Data updated monthly · Last refresh October 2026
46 Pulmonary Disease providers practice in Montana, including 12 (26%) 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.
46providers
12telehealth
Billingstop city
Pulmonary Disease by city in Montana
Choose a city to see providers there.
Where Pulmonologists in Montana practice
From CMS Medicare enrollment records covering 29 of the 46 providers listed here (63%). Providers who do not bill Medicare are not included in these figures.
0%solo or small practice (under 10 clinicians)
7%mid-size group (10 to 99)
93%large group or health system (100+)
Largest practice groups
| Group (as registered with Medicare) | Pulmonologists | All clinicians in group | Main city |
| Billings Clinic | 9 | 814 | Billings |
| Kalispell Regional Medical Center Inc. | 6 | 422 | Kalispell |
| Bozeman Health Deaconess Hospital | 6 | 309 | Bozeman |
| Benefis Hospitals Inc. | 5 | 390 | Great Falls |
| Great Falls Clinic LLC | 2 | 73 | Great Falls |
Hospitals where they hold privileges
| Hospital | City | Ownership | CMS star rating | Pulmonologists affiliated |
| Billings Clinic Hospital | Billings | Nonprofit | 4 of 5 | 12 |
| Benefis Hospitals Inc. | Great Falls | Nonprofit | 2 of 5 | 7 |
| Bozeman Health Deaconess Hospital | Bozeman | Nonprofit | 4 of 5 | 7 |
| Logan Health Medical Center | Kalispell | Nonprofit | 3 of 5 | 7 |
| St James Hospital | Butte | Nonprofit | 2 of 5 | 6 |
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.
Pulmonary Disease 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. Grzegorz Cieslewicz, M.D.Anaconda, MT · $51 in drug and device payments (2025) ·
(406) 563-8500 Dr. Aleksandra Kwasnik, MDBillings, MT · No drug or device payments recorded (2025) · Telehealth ·
(406) 238-2500 Dr. Andrew Fischer, M.D.Billings, MT · $287 in drug and device payments (2025) ·
(460) 238-5046 Dr. Catherine Stephens, MDBillings, MT · No drug or device payments recorded (2025) ·
(406) 238-2500 Dr. David Pucci, D.O.Billings, MT · No drug or device payments recorded (2025) ·
(406) 238-2500 Dr. Erin Rains, D.O.Billings, MT · No drug or device payments recorded (2025) ·
(406) 238-2500 Dr. Fernando Caceres Lopez, M.D.Billings, MT · No drug or device payments recorded (2025) ·
(406) 238-2751 Dr. James Mcmeekin, M.D.Billings, MT · No drug or device payments recorded (2025) ·
(406) 238-6800 Dr. Jamie Riha, M.D.Billings, MT · No drug or device payments recorded (2025) ·
(406) 238-2500 Dr. Manfred BaumgartnerBillings, MT · No drug or device payments recorded (2025) ·
(406) 238-2500 Dr. Nicole Philips, MDBillings, MT · No drug or device payments recorded (2025) ·
(406) 238-2500 Dr. Robert Merchant, MDBillings, MT · No drug or device payments recorded (2025) ·
(406) 238-2500 Dr. Robert Pueringer, MDBillings, MT · No drug or device payments recorded (2025) · Telehealth ·
(406) 238-2500 Dr. Robert Rollins, MDBillings, MT · No drug or device payments recorded (2025) ·
(406) 238-2500 Dr. Vineeth Kumar, M.D.Billings, MT · $648 in drug and device payments (2025) ·
(406) 238-2500 Dr. Anders Persson, MDBozeman, MT · No drug or device payments recorded (2025) ·
(406) 522-2400 Dr. Andrew Goldberg, MDBozeman, MT · $198 in drug and device payments (2025) ·
(406) 414-5950 Dr. Andrew Sullivan, MDBozeman, MT · No drug or device payments recorded (2025) ·
(406) 414-4250 Dr. Brittney Ward, DOBozeman, MT · $146 in drug and device payments (2025) · Telehealth ·
(406) 414-4250 Dr. Gregory Lemense, MDBozeman, MT · $722 in drug and device payments (2025) · Telehealth ·
(406) 414-4250 Dr. Gyorgy Mundruczo, MDBozeman, MT · $161 in drug and device payments (2025) ·
(406) 414-4250 Dr. Shauna Bethel, MDBozeman, MT · No drug or device payments recorded (2025) ·
(406) 414-4250 Dr. Keith Popovich, M.D.Butte, MT · No drug or device payments recorded (2025) ·
(406) 782-8988 Dr. Gabor Varju, MDGreat Falls, MT · $2,271 in drug and device payments (2025) · Telehealth ·
(406) 731-8888 Dr. John Mazur, M.D.Great Falls, MT · $9,052 in drug and device payments (2025) ·
(406) 454-2171 Dr. Megan Sisk, D.O.Great Falls, MT · $11,905 in drug and device payments (2025) · Telehealth ·
(406) 454-2171 Dr. Merhala Balasubramaniam, M.D.Great Falls, MT · No drug or device payments recorded (2025) ·
(406) 455-5000 Dr. Richard Kearley, MDGreat Falls, MT · No drug or device payments recorded (2025) ·
(406) 731-8888 Dr. Robert Grasseschi, MDGreat Falls, MT · $59 in drug and device payments (2025) ·
(406) 455-4300 Dr. Sean Dow, M.D.Great Falls, MT · No drug or device payments recorded (2025) ·
(406) 455-5000 Dr. Sheela Ahmed, MDGreat Falls, MT · $158 in drug and device payments (2025) ·
(406) 731-8888 Dr. William Krause, MDGreat Falls, MT · No drug or device payments recorded (2025) ·
(406) 731-8353 Dr. Anthony Dal Nogare, MDKalispell, MT · No drug or device payments recorded (2025) ·
(406) 257-8992 Dr. Bethany Weiler, M.D.Kalispell, MT · $1,408 in drug and device payments (2025) · Telehealth ·
(406) 257-8992 Dr. Brent Pistorese, MDKalispell, MT · No drug or device payments recorded (2025) ·
(406) 257-8992 Dr. Dillon Noland, DOKalispell, MT · $4,346 in drug and device payments (2025) · Telehealth ·
(406) 257-8992 Dr. Kevin Keeton, MDKalispell, MT · $89 in drug and device payments (2025) · Telehealth ·
(406) 257-8992 Dr. Robert Curtis, DOKalispell, MT · No drug or device payments recorded (2025) · Telehealth ·
(406) 257-8992 Dr. Seth Clemens, M.D.Kalispell, MT · No drug or device payments recorded (2025) · Telehealth ·
(406) 257-8992 Dr. Sue Fessler, MDKalispell, MT · No drug or device payments recorded (2025) · Telehealth ·
(406) 257-8992 Dr. Timothy Obermiller, M.D.Kalispell, MT · No drug or device payments recorded (2025) ·
(406) 257-8992 Dr. Wallace Prophet, MDKalispell, MT · No drug or device payments recorded (2025) ·
(406) 257-8992 Dr. C Loehnen, MDMissoula, MT · No drug or device payments recorded (2025) ·
(406) 721-5600 Dr. Eric Stern, MDMissoula, MT · No drug or device payments recorded (2025) ·
(406) 327-3100 Dr. Ryan Nahapetian, MD, MPHMissoula, MT · $499 in drug and device payments (2025) ·
(406) 327-3100 Dr. Frederick Hamly, M.D.Poplar, MT · No drug or device payments recorded (2025) ·
(406) 768-3491 Conditions Pulmonary Disease providers in Montana commonly treat
Patients often search by condition rather than specialty. These are conditions typically managed by Pulmonary Disease providers. Individual practices vary, so confirm with the provider before booking.
- Asthma
- COPD
- Sleep apnea
- Pulmonary fibrosis
- Chronic cough
Common questions
How many Pulmonary Disease providers are in Montana?There are 46 Pulmonary Disease providers with active NPI records practicing in Montana, according to federal NPPES data refreshed monthly.
Do Pulmonary Disease providers in Montana offer telehealth?Yes. 12 of the 46 Pulmonary Disease providers in Montana (about 26%) report offering telehealth services in CMS data.
Which cities in Montana have the most Pulmonary Disease providers?Billings (14), Kalispell (10), Great Falls (9) have the highest concentration of Pulmonary Disease providers in Montana.
How many Pulmonary Disease providers in Montana received drug or device company payments?16 of 46 Pulmonary Disease providers in Montana (35%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
What conditions do Pulmonary Disease providers in Montana treat?Pulmonary Disease providers commonly treat asthma, COPD, sleep apnea, pulmonary fibrosis, chronic cough 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 Pulmonologists in Montana work in independent practices or large health systems?Among 29 Pulmonologists in Montana enrolled in Medicare, 0% bill through a solo or small practice with fewer than 10 clinicians, 7% through a mid-size group of 10 to 99, and 93% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Pulmonologists in Montana work at?According to CMS facility affiliation records, the Montana hospitals where the most Pulmonologists hold privileges are Billings Clinic Hospital in Billings; Benefis Hospitals Inc. in Great Falls; Bozeman Health Deaconess Hospital in Bozeman.
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