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

Donald Grewell, DO

Individual provider Family Medicine Physician · NPI 1326150285

Donald Grewell, DO is a Family Medicine Physician in Billings, Montana. Licensed in Montana. Registered with an NPI since 2006.

Licensed in
MT
In the registry since
2006
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

2675 Central Ave
Billings, MT 59102-6686
Phone: (406) 238-2500
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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 6209 (MT)

Record details

NPI number1326150285
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedAugust 31, 2006
Last updated in NPPESFebruary 27, 2008
Mailing addressPo Box 35100, Billings, MT 59107-5100

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