Christopher D. Gammarano, MD
NPI 1992294938ActiveIndividual· Radiology, Diagnostic Radiology· Jacksonville, FL
Radiology, Diagnostic Radiology (MD) with Millennium Physician Group LLC and 4 other groups, practicing in Jacksonville, Florida. Medicare paid $141,399 for services to 1,517 patients in 2024. Sirtex Medical Inc reported $25.99 in payments in 2025, mostly food and beverage. Lists Adventhealth Sebring and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1992294938 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 4, 2018 |
| Last updated in NPPES | Nov 17, 2025 |
| Certified by provider | Nov 17, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Diagnostic Radiology Primary | 2085R0202X | 212574 | AK |
| General Practice | 208D00000X | ME141579 | FL |
| Radiology, Vascular & Interventional Radiology | 2085R0204X | 212574 | AK |
| Radiology, Vascular & Interventional Radiology | 2085R0204X | ME141579 | FL |
| Radiology, Diagnostic Radiology | 2085R0202X | ME141579 | FL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Interventional Radiology (AK); Practitioner - Diagnostic Radiology (AR); Practitioner - Diagnostic Radiology (FL); Practitioner - Diagnostic Radiology (PA); Practitioner - Diagnostic Radiology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,517 |
|---|---|
| Services billed | 6,987 across 204 procedure codes |
| Paid by Medicare | $141,399 |
Education and affiliations
| Graduation year | 2018 |
|---|---|
| Medicare specialty | Interventional Radiology |
Medical groups
- Millennium Physician Group LLCJacksonville, FL · 982 clinicians
- Florida Hospital Physician Group IncTampa, FL · 979 clinicians
- Alaska Radiology Associates IncAnchorage, AK · 50 clinicians
- Franklin County Board of County CommissionersApalachicola, FL · 30 clinicians
- Imaging Associates LLCAnchorage, AK · 23 clinicians
Hospital affiliations
- Adventhealth SebringSebring, FL
- Adventhealth TampaTampa, FL
- Adventhealth Wesley ChapelWesley Chapel, FL
- Providence Alaska Medical CenterAnchorage, AK
- Providence Kodiak Island Medical CtrKodiak, AK
Industry payments (Open Payments)
- 2025$25.99 · 1 payment from 1 company
- 2024$16.43 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sirtex Medical Inc | $25.99 | 1 |
What the 2025 payments were for
- Food and Beverage$25.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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