Johan K. Ahn, MD
NPI 1972546240ActiveIndividual· Radiology, Diagnostic Radiology· Tacoma, WA
Radiology, Diagnostic Radiology (MD) in Tacoma, Washington, trained at New York Medical College (class of 1995). Medicare paid $31,477 for services to 2,074 patients in 2024.
Overview
| NPI | 1972546240 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 14, 2006 |
| Last updated in NPPES | Oct 7, 2026 |
| Certified by provider | Oct 7, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Diagnostic Radiology Primary | 2085R0202X | A84698 | CA |
| Radiology, Diagnostic Radiology | 2085R0202X | MD-9933 | HI |
| Radiology, Diagnostic Radiology | 2085R0202X | 036180646 | IL |
| Radiology, Diagnostic Radiology | 2085R0202X | MD00042505 | WA |
| Radiology, Diagnostic Radiology | 2085R0202X | MD151077 | OR |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Diagnostic Radiology (CA); Practitioner - Diagnostic Radiology (HI); Practitioner - Diagnostic Radiology (OR); Practitioner - Diagnostic Radiology (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 2,074 |
|---|---|
| Services billed | 2,832 across 92 procedure codes |
| Paid by Medicare | $31,477 |
Education and affiliations
| Medical school | New York Medical College |
|---|---|
| Graduation year | 1995 |
| Medicare specialty | Diagnostic Radiology |
Medical groups
- Queens University Medical GroupHonolulu, HI · 614 clinicians
- Beverly Radiology Medical Group IIICorona, CA · 328 clinicians
- Queens North Hawaii Community HospitalHonolulu, HI · 108 clinicians
Hospital affiliation
- The Queens Medical CenterHonolulu, HI
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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