Gregory Johnston, M.D.
NPI 1043282023 · General Practice Physician · Tacoma, WA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Johnston, M.D. is a General Practice Physician provider in Tacoma, WA (NPI 1043282023).
Provider details
- NPI number
- 1043282023
- Entity type
- Individual
- Primary specialty
- General Practice PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 0101235436 (VA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
- 2006-02-03
- Last updated
- 2008-07-28
Frequently asked questions
- What is Gregory Johnston's NPI number?
- Gregory Johnston's National Provider Identifier (NPI) is 1043282023, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Johnston's specialty?
- Gregory Johnston is listed in the NPPES registry with a primary specialty of General Practice Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Johnston located?
- Gregory Johnston's practice location on file with NPPES is Madigan Army Medical Center, Tacoma, WA 98431-0001.
- What is Gregory Johnston's phone number?
- The practice phone number listed in the NPPES registry for Gregory Johnston is (253) 968-1390.
- Does Gregory Johnston accept Medicare?
- Gregory Johnston is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Johnston's NPI active?
- Yes — Gregory Johnston's NPI (1043282023) is active in the NPPES registry as of the last update on 2008-07-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.