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

Gary J Willstein, MD

Individual provider Orthopaedic Surgery Physician · NPI 1932154671

Gary J Willstein, MD is an Orthopaedic Surgery Physician in Missoula, Montana. Licensed in Montana. Registered with an NPI since 2006.

Licensed in
MT
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

2360 Mullan Rd Ste C
Missoula, MT 59808-1811
Phone: (406) 721-4436
Fax: (406) 721-3907
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Orthopaedic Surgery Physician (primary) Taxonomy 207X00000X · Licence 9552 (MT)

Record details

NPI number1932154671
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 23, 2006
Last updated in NPPESAugust 26, 2014

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