Gregory Baker, D.C.
NPI 1154542710 · Occupational Health Chiropractor · Portland, OR
Gregory Baker, D.C. is a Occupational Health Chiropractor provider in Portland, OR (NPI 1154542710).
Provider details
- NPI number
- 1154542710
- Entity type
- Individual
- Primary specialty
- Occupational Health ChiropractorChiropractic Providers
- Credential
- D.C.
- Sex
- Male
- Sole proprietor
- No
- License
- CH00033960 (WA)
Specialties & taxonomies
Chiropractic Providers
Chiropractic Providers
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2007-05-01
- Last updated
- 2025-09-11
Frequently asked questions
- What is Gregory Baker's NPI number?
- Gregory Baker's National Provider Identifier (NPI) is 1154542710, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Baker's specialty?
- Gregory Baker is listed in the NPPES registry with a primary specialty of Occupational Health Chiropractor (Chiropractic Providers).
- Where is Gregory Baker located?
- Gregory Baker's practice location on file with NPPES is 5802 Se Powell Blvd., Portland, OR 97206.
- What is Gregory Baker's phone number?
- The practice phone number listed in the NPPES registry for Gregory Baker is (503) 774-3778.
- Is Gregory Baker's NPI active?
- Yes — Gregory Baker's NPI (1154542710) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.