Quick answers
- Which hospitals does Jonathan P. Greenberg work at?
- Medicare's official clinician data lists Jonathan P. Greenberg at 1 hospital: Clara Maass Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Jonathan P. Greenberg see patients?
- Medicare's clinician data lists 2 practice locations, including Wayne, NJ and Vauxhall, NJ. Call before your visit to confirm the address.
- What is Jonathan P. Greenberg's specialty?
- Medicare lists Ophthalmology as the primary specialty.
- Does Jonathan P. Greenberg accept Medicare assignment?
- Yes. Medicare's clinician data says Jonathan P. Greenberg 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 Jonathan P. Greenberg?
- (973) 633-9898, as listed in official Medicare / NPI Registry data.
- What is Jonathan P. Greenberg's NPI number?
- 1992189500. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Jonathan P. Greenberg works
Medicare's Facility Affiliation Data lists Jonathan P. Greenberg at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Clara Maass Medical CenterBelleville, NJ · Acute Care Hospital · CCN 310009
Practice locations
Addresses where Jonathan P. Greenberg is enrolled with Medicare (CMS data updated 2026-10-02).
- 1044 Rte, 23 Suite 207 208Wayne, NJ 07470 (973) 633‑9898
- 2952 Vauxhall RdVauxhall, NJ 07088 (908) 349‑8155
Group practices
Medicare enrollment lists Jonathan P. Greenberg 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 Wayne
Clinicians with the same Medicare primary specialty in Wayne, NJ — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2008 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1992189500 |
| 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