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

Dr. William Robert McGregor, MD

Individual provider Surgery Physician · NPI 1326370123

Dr. William Robert McGregor, MD is a Surgery Physician in Great Falls, Montana. Practices as a sole proprietor. Licensed in Montana and Wisconsin.

Licensed in
MT, WI
In the registry since
2010
Specialties on file
2
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

520 34th St S
Great Falls, MT 59405-3550
Phone: (406) 727-4070
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence 3405 (MT)
Surgery Physician Taxonomy 208600000X · Licence 16334-20 (WI)

Record details

NPI number1326370123
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedFebruary 3, 2010
Last updated in NPPESFebruary 3, 2010
Mailing address520 34th St S, Great Falls, MT 59405-3550

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