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

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 Not confirmed with CMS for 16 years — call before visiting
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

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