Quick answers
- Which hospitals does John Gianini work at?
- Medicare's official clinician data lists John Gianini at 5 hospitals: Flagler Hospital, Halifax Health /UF Health Medical Center of Delton…, Halifax Health Medical Center, Northeast Georgia Medical Center, Inc and Sentara Northern Virginia Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John Gianini see patients?
- Medicare's clinician data lists 33 practice locations, including St Augustine, FL, Port Orange, FL and Summerfield, FL. Call before your visit to confirm the address.
- What is John Gianini's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does John Gianini accept Medicare assignment?
- Yes. Medicare's clinician data says John Gianini accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for John Gianini?
- (904) 819-4707, as listed in official Medicare / NPI Registry data.
- What is John Gianini's NPI number?
- 1003905290. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John Gianini works
Medicare's Facility Affiliation Data lists John Gianini at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Flagler HospitalSaint Augustine, FL · Acute Care Hospital · CCN 100090
- Halifax Health /UF Health Medical Center of Delton…Deltona, FL · Acute Care Hospital · CCN 100330
- Halifax Health Medical CenterDaytona Beach, FL · Acute Care Hospital · CCN 100017
- Northeast Georgia Medical Center, IncGainesville, GA · Acute Care Hospital · CCN 110029
- Sentara Northern Virginia Medical CenterWoodbridge, VA · Acute Care Hospital · CCN 490113
Practice locations
Addresses where John Gianini is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 33; the Medicare profile lists all.
- 101 Health Park BlvdSt Augustine, FL 32086 (904) 819‑4707
- 1041 Dunlawon AvePort Orange, FL 32127 (386) 274‑7118
- 10435 SE 170th PlSummerfield, FL 34491
- 110 Health Park BlvdSaint Augustine, FL 32086 (904) 823‑3401
- 1195 Dunlawton AvePort Orange, FL 32127 (770) 219‑9000
Group practices
Medicare enrollment lists John Gianini as a member of these groups (CMS data updated 2026-10-02).
- Sentara Medical Group1,408 clinicians in the group
- Northeast Georgia Physicians Group Inc883 clinicians in the group
- St Francis Physician Practices LLC222 clinicians in the group
- Villages Regional Hospital Physician Services LLC209 clinicians in the group
- Radiology Imaging Associates LLC190 clinicians in the group
- Danville Physician Practices LLC177 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in St Augustine
Clinicians with the same Medicare primary specialty in St Augustine, FL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Florida College Of Medicine |
| Graduation year | 2002 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1003905290 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians