William Mcgregor, M.D.
NPI 1326370123 · Surgery Physician · Great Falls, MT
William Mcgregor, M.D. is a Surgery Physician provider in Great Falls, MT (NPI 1326370123).
Provider details
- NPI number
- 1326370123
- Entity type
- Individual
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 3405 (MT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-02-03
- Last updated
- 2010-02-03
Frequently asked questions
- What is William Mcgregor's NPI number?
- William Mcgregor's National Provider Identifier (NPI) is 1326370123, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Mcgregor's specialty?
- William Mcgregor is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is William Mcgregor located?
- William Mcgregor's practice location on file with NPPES is 520 34th St S, Great Falls, MT 59405-3550.
- What is William Mcgregor's phone number?
- The practice phone number listed in the NPPES registry for William Mcgregor is (406) 727-4070.
- Is William Mcgregor's NPI active?
- Yes — William Mcgregor's NPI (1326370123) is active in the NPPES registry as of the last update on 2010-02-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.