Quick answers
- Which hospitals does John J. Ryan work at?
- Medicare's official clinician data lists John J. Ryan at 4 hospitals: HCA Florida Lake City Hospital, HCA Florida North Florida Hospital, HCA Florida Putnam Hospital and UF Health Shands Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John J. Ryan see patients?
- Medicare's clinician data lists 3 practice locations, including Gainesville, FL. Call before your visit to confirm the address.
- What is John J. Ryan's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty, and also Interventional Radiology.
- Does John J. Ryan accept Medicare assignment?
- Yes. Medicare's clinician data says John J. Ryan 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 J. Ryan?
- (352) 333-4000, as listed in official Medicare / NPI Registry data.
- What is John J. Ryan's NPI number?
- 1720070279. 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 J. Ryan works
Medicare's Facility Affiliation Data lists John J. Ryan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- HCA Florida Lake City HospitalLake City, FL · Acute Care Hospital · CCN 100156
- HCA Florida North Florida HospitalGainesville, FL · Acute Care Hospital · CCN 100204
- HCA Florida Putnam HospitalPalatka, FL · Acute Care Hospital · CCN 100232
- UF Health Shands HospitalGainesville, FL · Acute Care Hospital · CCN 100113
Practice locations
Addresses where John J. Ryan is enrolled with Medicare (CMS data updated 2026-10-02).
- 6500 W Newberry RdGainesville, FL 32605 (352) 333‑4000
- 6605 NW 9th BlvdGainesville, FL 32605 (352) 333‑4703
- 6716 NW 11th Pl, Suite 200Gainesville, FL 32605 (352) 331‑9729
Group practices
Medicare enrollment lists John J. Ryan as a member of these groups (CMS data updated 2026-10-02).
- Doctors Radiology Group of Gainesville LLC33 clinicians in the group
- Doctors Imaging Group LLC25 clinicians in the group
- North Florida Outpatient Imaging Center Ltd25 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
- Interventional Radiologyalso
Other radiologists in Gainesville
Clinicians with the same Medicare primary specialty in Gainesville, FL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Massachusetts Medical School |
| Graduation year | 1991 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1720070279 |
| 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