Marilyn F. Grams, MD
Geriatric Medicine (Internal Medicine) Physician · Billings, MT
Marilyn F. Grams, MD is a geriatric medicine (internal medicine) physician with a practice address in Billings, Montana, and NPI 1669492104, issued on Jul 20, 2006. Check the license (Montana 10557, as entered in NPPES) on the Montana Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Marilyn F. Grams
- Credential
- MD
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License numbers
- 10557 MT
M-14661 ID
8742023-1205 UT
Self-reported in NPPES; status is on the state search - Practice location
- 2825 8TH Ave N, Billings, MT 59101
- Phone
- (406) 238-2500
- Enumerated
- Jul 20, 2006
- Record last updated
- Apr 23, 2019 (not updated in 7 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest geriatric medicine (internal medicine) physician records → All 9 in Montana → Look up another NPI →
Also registered at 2825 8TH Ave N
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Marilyn F. Grams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMontana Board of Medical Examiners
Search for license 10557Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024
40 Medicare Part D claims for 18 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D.
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.
The practice group's MIPS final score for 2023 (Medicare payment program): 61.2 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Geriatric Medicine (Internal Medicine) Physician providers in Montana
There are 9 geriatric medicine (internal medicine) physician records in Montana.
All 9 in Montana → Every provider in Billings → Geriatric Medicine (Internal Medicine) Physician nationwide →
The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes
- Patricia Coon, MDBillings, MT 591011467561431
- Glenda Wickstrom, MDBillings, MT 591011679510101
- Thomas Addison, MDGreat Falls, MT 594051871594754
- Paul Dolan, M.D.Great Falls, MT 594051558484402
- John Molloy, MDGreat Falls, MT 594051609877471
- Kathryn Borgenicht, MDBozeman, MT 597151073535019
- Ronald Loge, M.D.Dillon, MT 597251790789279
- Whitney Haseman, M.D.Missoula, MT 598081255726469
Common questions
What is Marilyn F. Grams, MD's NPI number?
Marilyn F. Grams, MD's National Provider Identifier (NPI) is 1669492104, issued on Jul 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Marilyn F. Grams, MD located?
The NPPES record lists a practice address at 2825 8TH Ave N, Billings, MT, 59101. Phone: (406) 238-2500. Providers update this record themselves, so call before visiting.
How can I verify Marilyn F. Grams, MD's license?
NPPES lists Montana license number 10557, as entered by the provider. 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 Marilyn F. Grams, MD prescribe under Medicare Part D?
In 2024, Marilyn F. Grams, MD had 40 Medicare Part D claims for 18 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. Part D covers Medicare prescriptions only.
What is Marilyn F. Grams, MD's MIPS final score?
The 2023 MIPS final score is 61.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.