Richard Clark, M.D. PH.D.
NPI 1659393452 · Diagnostic Radiology Physician · Seattle, WA
Richard Clark, M.D. PH.D. is a Diagnostic Radiology Physician provider in Seattle, WA (NPI 1659393452).
Provider details
- NPI number
- 1659393452
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D. PH.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD24807 (OR)
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
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
- 2006-07-24
- Last updated
- 2008-06-03
Frequently asked questions
- What is Richard Clark's NPI number?
- Richard Clark's National Provider Identifier (NPI) is 1659393452, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Richard Clark's specialty?
- Richard Clark is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Richard Clark located?
- Richard Clark's practice location on file with NPPES is 1229 Madison St, Seattle, WA 98104-3586.
- What is Richard Clark's phone number?
- The practice phone number listed in the NPPES registry for Richard Clark is (509) 995-1135.
- Is Richard Clark's NPI active?
- Yes — Richard Clark's NPI (1659393452) is active in the NPPES registry as of the last update on 2008-06-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.