IndividualActive
John Harley, M.D.
NPI 1720172232 · Diagnostic Radiology Physician · Seattle, WA
John Harley, M.D. is a Diagnostic Radiology Physician provider in Seattle, WA (NPI 1720172232).
Provider details
- NPI number
- 1720172232
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD00010697 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 index)
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
1660 South Columbian Way
Seattle, WA 98108
Phone: (206) 764-2149
Street-level locationGet directions
Mailing address
1660 S Columbian Way
Seattle, WA 98108-1532
Registry dates
- Enumerated
- 2006-10-02
- Last updated
- 2007-09-14
Frequently asked questions
- What is John Harley's NPI number?
- John Harley's National Provider Identifier (NPI) is 1720172232, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Harley's specialty?
- John Harley is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is John Harley located?
- John Harley's practice location on file with NPPES is 1660 South Columbian Way, Seattle, WA 98108.
- What is John Harley's phone number?
- The practice phone number listed in the NPPES registry for John Harley is (206) 764-2149.
- Is John Harley's NPI active?
- Yes — John Harley's NPI (1720172232) is active in the NPPES registry as of the last update on 2007-09-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.