Quick answers
- Which hospitals does John J. Zelis work at?
- Medicare's official clinician data lists John J. Zelis at 5 hospitals: HCA Florida Englewood Hospital, HCA Florida Fawcett Hospital, Lakewood Ranch Medical Center, Manatee Memorial Hospital and Winter Haven Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John J. Zelis see patients?
- Medicare's clinician data lists 8 practice locations, including Tierra Verde, FL, Sun City Center, FL and Winter Haven, FL. Call before your visit to confirm the address.
- What is John J. Zelis's specialty?
- Medicare lists General Surgery as the primary specialty.
- Does John J. Zelis accept Medicare assignment?
- Yes. Medicare's clinician data says John J. Zelis 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. Zelis?
- (727) 867-5480, as listed in official Medicare / NPI Registry data.
- What is John J. Zelis's NPI number?
- 1205815859. 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. Zelis works
Medicare's Facility Affiliation Data lists John J. Zelis at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- HCA Florida Englewood HospitalEnglewood, FL · Acute Care Hospital · CCN 100267
- HCA Florida Fawcett HospitalPort Charlotte, FL · Acute Care Hospital · CCN 100236
- Lakewood Ranch Medical CenterBradenton, FL · Acute Care Hospital · CCN 100299
- Manatee Memorial HospitalBradenton, FL · Acute Care Hospital · CCN 100035
- Winter Haven HospitalWinter Haven, FL · Acute Care Hospital · CCN 100052
Practice locations
Addresses where John J. Zelis is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 8; the Medicare profile lists all.
- 1120 Pinellas Bayway S, Suite 200Tierra Verde, FL 33715 (727) 867‑5480
- 1901 Haverford Ave, Suite 109Sun City Center, FL 33573 (855) 689‑5105
- 200 Ave F NEWinter Haven, FL 33881 (863) 297‑1787
- 250 2nd St E, Suite 4eBradenton, FL 34208 (941) 745‑7251
- 280 Patterson Rd, Suite 4Haines City, FL 33844
Group practices
Medicare enrollment lists John J. Zelis as a member of this group (CMS data updated 2026-10-02).
- Nautilus Health Care Group LLC53 clinicians in the group
Specialties
- General Surgeryprimary
Other general surgeons in Florida
Clinicians with the same Medicare primary specialty in Florida — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Northeastern Ohio University College Of Medicine |
| Graduation year | 1991 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1205815859 |
| 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