JOHN DUNCAN HARLEY M.D.
NPI 1720172232
Radiology - Diagnostic Radiology in Seattle, WA

Active since October 02, 2006
1660 SOUTH COLUMBIAN WAY, SEATTLE, WA 98108(206) 764-2149 Get Directions Write a Review

NPPES record last updated: September 14, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About John Duncan Harley M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JOHN DUNCAN HARLEY M.D. (NPI 1720172232) is an individual diagnostic radiology provider in Seattle, Washington, licensed in Washington (MD00010697) and active in the NPI registry since October 2006.

NPPES Registry Identity

NPI1720172232
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameJOHN DUNCAN HARLEYCredential: M.D.
Location Address1660 SOUTH COLUMBIAN WAYSeattle, WA 98108
Mailing Address1660 S Columbian WaySeattle, WA 98108-1532 · (206) 764-2149
Sole ProprietorNo
Enumeration DateOctober 2, 2006
Last NPPES UpdateSeptember 14, 2007
NPI 1720172232 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
License Licensed in WA · MD00010697
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
1660 SOUTH COLUMBIAN WAY, Seattle, WA 98108

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

General Acute Care Hospital
1660 SOUTH COLUMBIAN WAY, PUGET SOUND HEALTH CARE SYSTEM
SEATTLE, WA 98108
Internal Medicine
1660 SOUTH COLUMBIAN WAY, S-111-GIMC
SEATTLE, WA 98108
Emergency Medicine (Emergency Medical Services)
1660 SOUTH COLUMBIAN WAY, VA MEDICAL CENTER
SEATTLE, WA 98108
Physical Medicine & Rehabilitation
1660 SOUTH COLUMBIAN WAY, S-117
SEATTLE, WA 98108
Registered Nurse (Oncology)
1660 SOUTH COLUMBIAN WAY
SEATTLE, WA 98108
Psychiatry & Neurology (Psychiatry)
1660 SOUTH COLUMBIAN WAY, MHC-116A SEATTLE VA HOSPITAL,
SEATTLE, WA 98108
Student in an Organized Health Care Education/Training Program
1660 SOUTH COLUMBIAN WAY
SEATTLE, WA 98108
Nurse Practitioner (Adult Health)
1660 SOUTH COLUMBIAN WAY
SEATTLE, WA 98108

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is John Harley's NPI number?

The NPI number for John Harley is 1720172232. It was assigned to this individual provider in the NPPES registry on October 2, 2006.

Where is John Harley located?

John Harley practices at 1660 South Columbian Way, Seattle, WA 98108. The listed phone number is (206) 764-2149.

What is John Harley's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

When was this NPI record last updated?

The NPPES record for John Harley was last updated on September 14, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.