IndividualActive
Thomas Griffin
NPI 1861794992 · Radiation Oncology Physician · Seattle, WA
Thomas Griffin is a Radiation Oncology Physician provider in Seattle, WA (NPI 1861794992).
Provider details
- NPI number
- 1861794992
- Entity type
- Individual
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- Yes
- License
- MD00013507 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(82/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 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
3620 E Prospect St
Seattle, WA 98112-4440
Phone: (206) 322-6742
Fax: (206) 322-6803
Street-level locationGet directions
Mailing address
3620 E Prospect St
Seattle, WA 98112-4440
Registry dates
- Enumerated
- 2010-11-22
- Last updated
- 2010-11-22
Frequently asked questions
- What is Thomas Griffin's NPI number?
- Thomas Griffin's National Provider Identifier (NPI) is 1861794992, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Griffin's specialty?
- Thomas Griffin is listed in the NPPES registry with a primary specialty of Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Griffin located?
- Thomas Griffin's practice location on file with NPPES is 3620 E Prospect St, Seattle, WA 98112-4440.
- What is Thomas Griffin's phone number?
- The practice phone number listed in the NPPES registry for Thomas Griffin is (206) 322-6742.
- Is Thomas Griffin's NPI active?
- Yes — Thomas Griffin's NPI (1861794992) is active in the NPPES registry as of the last update on 2010-11-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.