Gary Ostahowski, MD
Family Medicine Physician · Hardin, MT
Gary Ostahowski, MD is a family medicine physician with a practice address in Hardin, Montana, and NPI 1316994692, issued on May 30, 2006. Check the license (Montana 4466, as entered in NPPES) on the Montana Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Gary Ostahowski
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 4466 MT
Self-reported in NPPES; status is on the state search - Practice location
- 16 N Miles Ave, Hardin, MT 59034
- Phone
- (406) 665-2205
- Enumerated
- May 30, 2006
- Entity
- Type 1 · individual
Also registered at 16 N Miles Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kimberley Caprata, PA-CPhysician Assistant1326085762
- Carol Greimann, MDInternal Medicine Physician1871540187
- Robert Wilson, M.D.Family Medicine Physician1538108204
Verify Gary Ostahowski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMontana Board of Medical Examiners
Search for license 4466Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
98% fewer Medicare Part D claims than the average family medicine physician in 2024
54 Medicare Part D claims for 26 beneficiaries, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Doxycycline Monohydrate31 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.
Industry payments in 2024: $826.61
7 payments, mostly food and beverage; the largest payer was Kerecis Limited. The 53,013 providers of this specialty with any payment received $861.30 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
One hospital or facility affiliation
- Scl Health Medical Group - Billings LLCBillings, MT
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
6 family medicine physician records list a Hardin practice address
They are 6 of the 60 NPPES records with a Hardin practice address, and 766 family medicine physician records in Montana.
All 6 in Hardin → All 766 in Montana → Every provider in Hardin →
Other family medicine physician records in Montana
- Marc Adams, MDShelby, MT1265449482
- Dale Agner, M.D.Billings, MT1861486490
- Cynthia Alarcon, PA-CHelena, MT1386981686
- Brandon Allen, MDEnnis, MT1215499421
- Hans Amen, D.O.Malmstrom Afb, MT1538426507
- Beth Ammons, MDMissoula, MT1780623926
- Robert Amrine, MDMissoula, MT1366640484
- Bjorn Anderson, DOStevensville, MT1770146037
- Jonathan Anderson, MDKalispell, MT1356397533
- Leah Anderson, M.D.Bozeman, MT1851504195
Common questions
What is Gary Ostahowski, MD's NPI number?
Gary Ostahowski, MD's National Provider Identifier (NPI) is 1316994692, issued on May 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gary Ostahowski, MD located?
The NPPES record lists a practice address at 16 N Miles Ave, Hardin, MT, 59034. Phone: (406) 665-2205. Providers update this record themselves, so call before visiting.
How can I verify Gary Ostahowski, MD's license?
NPPES lists Montana license number 4466, 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 Gary Ostahowski, MD prescribe under Medicare Part D?
In 2024, Gary Ostahowski, MD had 54 Medicare Part D claims for 26 beneficiaries; the average among family medicine physician prescribers was 3,519. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.