Quick answers
- Where does John E. Witkowski see patients?
- Medicare's clinician data lists 1 practice location in Naples, FL. Call before your visit to confirm the address.
- What is John E. Witkowski's specialty?
- Medicare lists Optometry as the primary specialty.
- Does John E. Witkowski accept Medicare assignment?
- Medicare's clinician data says John E. Witkowski may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is the phone number for John E. Witkowski?
- (239) 262-4662, as listed in official Medicare / NPI Registry data.
- What is John E. Witkowski's NPI number?
- 1821037409. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where John E. Witkowski is enrolled with Medicare (CMS data updated 2026-10-02).
- 5959 Pine Ridge RdNaples, FL 34119 (239) 262‑4662
Specialties
- Optometryprimary
Other optometrists in Naples
Clinicians with the same Medicare primary specialty in Naples, FL — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Medical school | Southern College Of Optometry |
| Graduation year | 1985 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1821037409 |
| 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
- 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