Quick answers
- Which hospitals does John E. Viola work at?
- Medicare's official clinician data lists John E. Viola at 1 hospital: St Josephs Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John E. Viola see patients?
- Medicare's clinician data lists 2 practice locations, including Lutz, FL and Largo, FL. Call before your visit to confirm the address.
- What is John E. Viola's specialty?
- Medicare lists Anesthesiology as the primary specialty.
- Does John E. Viola accept Medicare assignment?
- Yes. Medicare's clinician data says John E. Viola 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 E. Viola?
- (954) 939-5000, as listed in official Medicare / NPI Registry data.
- What is John E. Viola's NPI number?
- 1821104167. 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 E. Viola works
Medicare's Facility Affiliation Data lists John E. Viola at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- St Josephs HospitalTampa, FL · Acute Care Hospital · CCN 100075
Practice locations
Addresses where John E. Viola is enrolled with Medicare (CMS data updated 2026-10-02).
- 4211 Van Dyke RdLutz, FL 33558 (954) 939‑5000
- 8787 Bryan Dairy Rd, Suite 300Largo, FL 33777 (954) 939‑5000
Group practices
Medicare enrollment lists John E. Viola as a member of this group (CMS data updated 2026-10-02).
- Bay Area Anesthesia LLC41 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in Lutz
Clinicians with the same Medicare primary specialty in Lutz, FL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | New York Medical College |
| Graduation year | 1987 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1821104167 |
| 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