Gemmy Hannsun, MD
NPI 1992120026ActiveIndividual· Radiology, Diagnostic Radiology· Orange, CA
Radiology, Diagnostic Radiology (MD) in Orange, California, trained at University of California, Davis School of Medicine (class of 2016). Medicare paid $259,864 for services to 1,629 patients in 2024.
Overview
| NPI | 1992120026 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Feb 26, 2014 |
| Last updated in NPPES | Jan 20, 2026 |
| Certified by provider | Jan 20, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Diagnostic Radiology Primary | 2085R0202X | A153743 | CA |
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) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,629 |
|---|---|
| Services billed | 12,018 across 65 procedure codes |
| Paid by Medicare | $259,864 |
Education and affiliations
| Medical school | University of California, Davis School of Medicine |
|---|---|
| Graduation year | 2016 |
| Medicare specialty | Diagnostic Radiology |
Medical groups
- Beverly Radiology Medical Group IIICorona, CA · 328 clinicians
- Desert Advanced Imaging Medical CenterPalm Springs, CA · 208 clinicians
- Uc RegentsOrange, CA · 108 clinicians
Hospital affiliation
- Uci Health-OrangeOrange, CA
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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