Yong Hahn, M.D.
NPI 1841253606 · Diagnostic Radiology Physician · Flushing, NY
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Yong Hahn, M.D. is a Diagnostic Radiology Physician provider in Flushing, NY (NPI 1841253606).
Provider details
- NPI number
- 1841253606
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 195491 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,326 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) |
|---|---|---|
| Ct Scan of Chest Without Contrast71250 | 238 | $65 |
| X-Ray of Chest, 1 View71045 | 159 | $9 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 114 | $113 |
| Mri Scan of Abdomen Before and After Contrast74183 | 102 | $131 |
| Ct Scan of Abdomen and Pelvis Before and After Contrast74178 | 83 | $125 |
| Ct Scan of Abdomen and Pelvis Without Contrast74176 | 67 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-11
- Last updated
- 2011-11-03
Frequently asked questions
- What is Yong Hahn's NPI number?
- Yong Hahn's National Provider Identifier (NPI) is 1841253606, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Yong Hahn's specialty?
- Yong Hahn is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Yong Hahn located?
- Yong Hahn's practice location on file with NPPES is 5645 Main St, Flushing, NY 11355-5045.
- What is Yong Hahn's phone number?
- The practice phone number listed in the NPPES registry for Yong Hahn is (718) 670-1594.
- Does Yong Hahn accept Medicare?
- Yong Hahn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Yong Hahn's NPI active?
- Yes — Yong Hahn's NPI (1841253606) is active in the NPPES registry as of the last update on 2011-11-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.