Quick answers
- Where does Leonard Feiner see patients?
- Medicare's clinician data lists 2 practice locations, including Union City, NJ and Teaneck, NJ. Call before your visit to confirm the address.
- What is Leonard Feiner's specialty?
- Medicare lists Ophthalmology as the primary specialty.
- Does Leonard Feiner accept Medicare assignment?
- Yes. Medicare's clinician data says Leonard Feiner 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 Leonard Feiner?
- (201) 867-2999, as listed in official Medicare / NPI Registry data.
- What is Leonard Feiner's NPI number?
- 1841208014. 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 Leonard Feiner is enrolled with Medicare (CMS data updated 2026-10-02).
- 3196 Kennedy BlvdUnion City, NJ 07087 (201) 867‑2999
- 628 Cedar LnTeaneck, NJ 07666 (201) 837‑7300
Group practices
Medicare enrollment lists Leonard Feiner as a member of this group (CMS data updated 2026-10-02).
- Associated Retinal Consultants LLC117 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in New Jersey
Clinicians with the same Medicare primary specialty in New Jersey — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Perelman School Of Med At The University Of Pennsylvania |
| Graduation year | 2000 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1841208014 |
| 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