Joong Ahn, MD PHD
NPI 1851389738 · Diagnostic Radiology Physician · Hershey, PA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joong Ahn, MD PHD is a Diagnostic Radiology Physician provider in Hershey, PA (NPI 1851389738).
Provider details
- NPI number
- 1851389738
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD PHD
- Sex
- Male
- Sole proprietor
- No
- License
- MD444420 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
515 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| X-Ray of Foot, Minimum of 3 Views73630 | 62 | $8 |
| X-Ray of Shoulder, Minimum of 2 Views73030 | 57 | $9 |
| X-Ray of Knee, 3 Views73562 | 47 | $9 |
| X-Ray of Lower and Sacral Spine, 2-3 Views72100 | 45 | $10 |
| X-Ray of Hip, 2-3 Views73502 | 44 | $10 |
| X-Ray of Knee, 1-2 Views73560 | 37 | $8 |
| X-Ray of Chest, 1 View71045 | 36 |
Practice location
Mailing address
Additional practice locations (1)
- 200 Hawkins DrIowa City, IA 52242-1009Phone: (319) 353-7814Fax: (319) 356-2220
Registry dates
- Enumerated
- 2005-10-13
- Last updated
- 2024-08-23
- Certified
- 2024-08-23
Frequently asked questions
- What is Joong Ahn's NPI number?
- Joong Ahn's National Provider Identifier (NPI) is 1851389738, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joong Ahn's specialty?
- Joong Ahn is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Joong Ahn located?
- Joong Ahn's practice location on file with NPPES is 500 University Dr, Hershey, PA 17033-2360.
- What is Joong Ahn's phone number?
- The practice phone number listed in the NPPES registry for Joong Ahn is (717) 531-6597.
- Does Joong Ahn accept Medicare?
- Joong Ahn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joong Ahn's NPI active?
- Yes — Joong Ahn's NPI (1851389738) is active in the NPPES registry as of the last update on 2024-08-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.