Quick answers
- Which hospitals does John M. Nassif work at?
- Medicare's official clinician data lists John M. Nassif at 1 hospital: Naples Community Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John M. Nassif see patients?
- Medicare's clinician data lists 2 practice locations, including Naples, FL. Call before your visit to confirm the address.
- What is John M. Nassif's specialty?
- Medicare lists Ophthalmology as the primary specialty.
- Does John M. Nassif accept Medicare assignment?
- Yes. Medicare's clinician data says John M. Nassif 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 M. Nassif?
- (239) 592-5511, as listed in official Medicare / NPI Registry data.
- What is John M. Nassif's NPI number?
- 1982698049. 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 M. Nassif works
Medicare's Facility Affiliation Data lists John M. Nassif at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Naples Community HospitalNaples, FL · Acute Care Hospital · CCN 100018
Practice locations
Addresses where John M. Nassif is enrolled with Medicare (CMS data updated 2026-10-02).
- 1435 Immokalee RdNaples, FL 34110 (239) 592‑5511
- 2350 Vanderbilt Beach RdNaples, FL 34109
Group practices
Medicare enrollment lists John M. Nassif as a member of this group (CMS data updated 2026-10-02).
- Jeffrey L Zimm MD PA5 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Naples
Clinicians with the same Medicare primary specialty in Naples, FL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Iowa, Rj & L Carver College Of Medicine |
| Graduation year | 1984 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1982698049 |
| 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