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
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (406) 665-1159
- Medicare enrollment
- Enrolled (PECOS I20110127000236); accepts Medicare assignment
- Medical or professional school
- University Of Michigan Medical School, 1977
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 775 in Montana → Look up another NPI →
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 3,544 among the 117,163 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; by number, the most common kind was food and beverage; the largest payer was Kerecis Limited. The 55,478 providers of this specialty with any payment received $902.55 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.
Bills Medicare through one group practice
- Scl Health Medical Group - Billings LLCBillings, MT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gary Ostahowski among 775 family medicine physician records in Montana
Gary Ostahowski, MD is one of 775 family medicine physician records with a practice address in Montana. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 50% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1977 · median 2007 among the 464 with a school on file
- Record last updated2007 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
5 family medicine physician records list a practice address in Hardin
They are 5 of the 60 NPPES records with a practice address in Hardin, and 775 family medicine physician records in Montana.
All 775 in Montana → Every provider in Hardin → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Marie Elwood, MDHardin, MT 590341093444390
- Bella Gentry, M.D.Hardin, MT 590341154598746
- Ashley Quanbeck, MDHardin, MT 590341700058435
- Robert Wilson, M.D.Hardin, MT 590341538108204
- Garold Spire, M.D.Lame Deer, MT 590431467528596
- Janice Fordham, M.D.Laurel, MT 590441609197433
- Lori Forseth, MDLaurel, MT 590441417994369
- Dwight Hager, MDLaurel, MT 590441487692026
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 3,544. 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.