Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Johan K. Ahn, MD

Individual provider Diagnostic Radiology Physician · NPI 1972546240

Dr. Johan K. Ahn, MD is a Diagnostic Radiology in Tacoma, Washington. Graduated from New York Medical College in 1995, 31 years ago. Practices with Queens University Medical Group, a 623-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California, Hawaii, Oregon and Washington.

Years since qualifying
31
Trained at
New York Medical College
Licensed in
CA, HI, OR, WA
In the registry since
2006
Specialties on file
4
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1304 Fawcett Ave Ste 100
Tacoma, WA 98402-1900
Phone: (253) 761-4200
Fax: (253) 761-4201
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1301 Punchbowl St, Honolulu, HI 96813-2499 — (808) 691-1000

Specialties & licences

Diagnostic Radiology Physician (primary) Taxonomy 2085R0202X · Licence A84698 (CA)
Diagnostic Radiology Physician Taxonomy 2085R0202X · Licence MD151077 (OR)
Diagnostic Radiology Physician Taxonomy 2085R0202X · Licence MD-9933 (HI)
Diagnostic Radiology Physician Taxonomy 2085R0202X · Licence MD00042505 (WA)

Record details

NPI number1972546240
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 14, 2006
Last updated in NPPESDecember 30, 2024
Certification dateDecember 30, 2024
Mailing addressPo Box 1535, Tacoma, WA 98401-1535

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyDIAGNOSTIC RADIOLOGY
Medical schoolNEW YORK MEDICAL COLLEGE
Graduated 1995 (31 years in practice)
Group practice Queens University Medical Group — 623 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations10 on file with Medicare

Other providers in Tacoma