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Gregory Johnson, M.D.
NPI 1366540460 · Surgery Physician · Fort Harrison, MT
Gregory Johnson, M.D. is a Surgery Physician provider in Fort Harrison, MT (NPI 1366540460).
Provider details
- NPI number
- 1366540460
- Entity type
- Individual
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 6479 (MT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
1892 Williams St.
Department of Surgery (112) Va Montana Healthcare
Fort Harrison, MT 59636
Phone: (406) 442-6410
Approximate (ZIP-level) locationGet directions
Mailing address
5540 Elk Ridge Rd
Helena, MT 59601-6604
Registry dates
- Enumerated
- 2006-09-20
- Last updated
- 2007-07-08
Frequently asked questions
- What is Gregory Johnson's NPI number?
- Gregory Johnson's National Provider Identifier (NPI) is 1366540460, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Johnson's specialty?
- Gregory Johnson is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Johnson located?
- Gregory Johnson's practice location on file with NPPES is 1892 Williams St., Fort Harrison, MT 59636.
- What is Gregory Johnson's phone number?
- The practice phone number listed in the NPPES registry for Gregory Johnson is (406) 442-6410.
- Is Gregory Johnson's NPI active?
- Yes — Gregory Johnson's NPI (1366540460) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.