Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Gary Ostahowski, MD

Individual provider Family Medicine Physician · NPI 1316994692

Gary Ostahowski, MD is a Family Practice in Hardin, Montana. Graduated from University of Michigan Medical School in 1977, 49 years ago. Practices with Scl Health Medical Group - Billings LLC, a 292-clinician group and accepts Medicare assignment. Licensed in Montana.

Years since qualifying
49
Trained at
University of Michigan Medical School
Licensed in
MT
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

16 N Miles Ave
Hardin, MT 59034-2356
Phone: (406) 665-2205
Fax: (406) 665-1159
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 4466 (MT)

Record details

NPI number1316994692
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 30, 2006
Last updated in NPPESJuly 8, 2007
Mailing address16 N Miles Ave, Hardin, MT 59034-2356

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyFAMILY PRACTICE
Medical schoolUNIVERSITY OF MICHIGAN MEDICAL SCHOOL
Graduated 1977 (49 years in practice)
Group practice Scl Health Medical Group - Billings Llc — 292 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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