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Gregory Allen, MD
NPI 1669433538 · Anesthesiology Physician · Olympia, WA
Gregory Allen, MD is a Anesthesiology Physician provider in Olympia, WA (NPI 1669433538).
Provider details
- NPI number
- 1669433538
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD00037436 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(95/100 index)
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
2 documented practice locations
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
3435 Martin Way E Ste G
Olympia, WA 98506-5071
Phone: (360) 438-6400
Fax: (360) 438-6435
Street-level locationGet directions
Mailing address
Po Box 94625
Seattle, WA 98124-6925
Additional practice locations (1)
- 3624 Ensign Rd NeSte. BOlympia, WA 98506-5074Phone: (360) 493-6400
Registry dates
- Enumerated
- 2006-03-31
- Last updated
- 2019-08-30
Frequently asked questions
- What is Gregory Allen's NPI number?
- Gregory Allen's National Provider Identifier (NPI) is 1669433538, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Allen's specialty?
- Gregory Allen is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Allen located?
- Gregory Allen's practice location on file with NPPES is 3435 Martin Way E Ste G, Olympia, WA 98506-5071.
- What is Gregory Allen's phone number?
- The practice phone number listed in the NPPES registry for Gregory Allen is (360) 438-6400.
- Is Gregory Allen's NPI active?
- Yes — Gregory Allen's NPI (1669433538) is active in the NPPES registry as of the last update on 2019-08-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.