NPPES file of Aug 9, 2026

Mary Cecilia Desrosier, M.D.

Family Medicine Physician · Browning, MT

Mary Cecilia Desrosier, M.D. is a family medicine physician with a practice address in Browning, Montana, and NPI 1467672287, issued on Apr 26, 2007. Check the license on the Montana Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1467672287
Name
Mary Cecilia Desrosier
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
5936 ND
Self-reported in NPPES; status is on the state search
Practice location
760 Piegan Street, Browning, MT 59417
Phone
(406) 338-6161
Enumerated
Apr 26, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 760 Piegan Street

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Margaret Evans, LPNLicensed Practical Nurse1699981555
  2. Leilani Farbstein, R.N.Medical-Surgical Registered Nurse1881896025
  3. Robert Ready, RNRegistered Nurse1912119637
  4. Mary Jo Wright, RNRegistered Nurse1114130143

Verify Mary Cecilia Desrosier in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMontana Board of Medical ExaminersCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Montana license search

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72% fewer Medicare Part D claims than the average family medicine physician in 2024

1,010 Medicare Part D claims for 26 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. Mary Desrosier1,010
  2. Specialty average3,544

Most prescribed

  1. Losartan Potassium42 claims
  2. Metoprolol Succinate38 claims
  3. Jardiance35 claims
  4. Amlodipine Besylate34 claims
  5. Omeprazole34 claims
  6. Gabapentin33 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

11 family medicine physician records list a practice address in Browning

They are 11 of the 189 NPPES records with a practice address in Browning, and 775 family medicine physician records in Montana.

Other family medicine physician records in Montana

  1. Marc Adams, MDShelby, MT1265449482
  2. Dale Agner, M.D.Billings, MT1861486490
  3. Marjorie AlbersMiles City, MT1174029086
  4. Brandon Allen, MDEnnis, MT1215499421
  5. Hans Amen, D.O.Malmstrom Afb, MT1538426507
  6. Beth Ammons, MDMissoula, MT1780623926
  7. Bjorn Anderson, DOStevensville, MT1770146037
  8. Emily AndersonRonan, MT1750744942
  9. Jonathan Anderson, MDKalispell, MT1356397533
  10. Leah Anderson, M.D.Bozeman, MT1851504195

Common questions

What is Mary Cecilia Desrosier, M.D.'s NPI number?

Mary Cecilia Desrosier, M.D.'s National Provider Identifier (NPI) is 1467672287, issued on Apr 26, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Mary Cecilia Desrosier, M.D. located?

The NPPES record lists a practice address at 760 Piegan Street, Browning, MT, 59417. Phone: (406) 338-6161. Providers update this record themselves, so call before visiting.

How can I verify Mary Cecilia Desrosier, M.D.'s license?

Search the Montana Board of Medical Examiners at https://ebiz.mt.gov/POL/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Mary Cecilia Desrosier, M.D. prescribe under Medicare Part D?

In 2024, Mary Cecilia Desrosier, M.D. had 1,010 Medicare Part D claims for 26 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it 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.