NPPES file of Aug 9, 2026

Rheumatology Physician in Montana

20 NPPES records list rheumatology physician with a practice address in Montana, 1.8 per 100,000 residents, the 40th highest rate of 51. Billings and Missoula have the most; each record links to the provider's NPI and the Montana license search.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207RR0500X · method

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Billings has the most, 5

  1. Billings5
  2. Missoula5
  3. Bozeman4
  4. Helena2
  5. Kalispell2

Rheumatology Physician records in Montana

  1. Steven Akre, MDGreat Falls, MT 594051114928090
  2. Enrico Arguelles, MDBillings, MT 591011932206505
  3. Rebecca Belsom, M.D.Missoula, MT 598021063604338
  4. James Bennett, M.D.Helena, MT 596011588920896
  5. Ann Corsi, MDMissoula, MT 598021568418630
  6. Rebecca Danforth, M.D.Missoula, MT 598021164570172
  7. Roger Diegel, MDKalispell, MT 599011770660896
  8. Steven Ecklund, M.D.Anaconda, MT 597111942260773
  9. Susan English, M.D.Missoula, MT 598021144243155
  10. Phillip Griffin, M.D.Billings, MT 591021013166164
  11. Vaani Jegapragasan, MDBozeman, MT 597151295950756
  12. John Jenkins, M.D.Billings, MT 591011245267061
  13. Matthew Kirkpatrick, M.D.Bozeman, MT 597151437449337
  14. John McCahan, MDBozeman, MT 597151144319922
  15. Robert McNutt, MDHelena, MT 596011811989148
  16. Melody Nelsen, M.D.Missoula, MT 598021669519930
  17. Bruno Oliveira, MDBillings, MT 591011376762823
  18. Melissa Reily, M.D.Bozeman, MT 597151003090481
  19. Bernadette Vanbelois, M.D.Kalispell, MT 599011740360676
  20. Lawrence Zyskowski, MDBillings, MT 591011841289410

Source: CMS NPPES, primary taxonomy 207RR0500X: records by practice city and the list of records, file of Aug 9, 2026.

Montana ranks 40 of 51 per resident

  1. Texas1.8
  2. Iowa1.8
  3. Georgia1.8
  4. Montana1.8
  5. West Virginia1.8
  6. Arkansas1.7
  7. 50 states and D.C.2.4

Source: CMS NPPES, primary taxonomy 207RR0500X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

70.0% of these records appear in a Medicare file, against 81.6% nationally

A Medicare file here is Part D prescribing (2024), a MIPS score (2023), an Open Payments record (2024) or Medicare group billing (CMS Doctors and Clinicians). A record outside them may still see patients: these files cover Medicare only.

  1. Montana70.0%
  2. United States81.6%

Rheumatology Physician records in Montana, measured

  • In a Medicare file14 of 20 · 70.0% here, 81.6% nationally
  • In the CMS Doctors and Clinicians file13 · 65.0% here, 69.5% nationally
  • Not updated in five years or more11 · 55.0% here, 56.6% nationally
  • Median graduation year2002 · the 13 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207RR0500X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

20 NPPES records list rheumatology physician (207RR0500X) as their primary taxonomy with a practice address in Montana: 1.8 per 100,000 residents against 2.4 nationally (50 states and D.C.). Billings has 5 of them (25%).

A record is a registration a provider made and keeps up to date: it shows neither that the provider is licensed nor that they still practice there. The state's own license search is the check.

States with a similar number

  1. Delaware19
  2. Vermont18
  3. South Dakota17
  4. Hawaii24

States with a similar rate per 100,000

  1. Georgia1.8
  2. Iowa1.8
  3. West Virginia1.8
  4. Texas1.8

The largest states

  1. California926
  2. New York599
  3. Texas545
  4. Florida494
  5. Pennsylvania413

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy; 2023 Census population estimates. A registry record is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.