Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Ophthalmology

Gregory E. Cox, MD

Works at hospitals in Hamilton, NJ · New Jersey

Summary

Gregory E. Cox, MD (Ophthalmology) is listed by Medicare at 1 hospital in Hamilton, NJ. NPI 1386607844. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Gregory E. Cox, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

OphthalmologyPrimary specialty
YesAccepts Medicare assignment
35Years since medical school (graduated 1991)
Hahnemann University College Of MedicineMedical school
MaleGender (as listed)
Refocus Eye Health of NJ PCGroup practice

Quick answers

Which hospitals does Gregory E. Cox work at?
Medicare's official clinician data lists Gregory E. Cox at 1 hospital: Robert Wood Johnson University Hospital at Hamilton. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Gregory E. Cox see patients?
Medicare's clinician data lists 1 practice location in Hamilton, NJ. Call before your visit to confirm the address.
What is Gregory E. Cox's specialty?
Medicare lists Ophthalmology as the primary specialty.
Does Gregory E. Cox accept Medicare assignment?
Yes. Medicare's clinician data says Gregory E. Cox 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 Gregory E. Cox?
(609) 586-0849, as listed in official Medicare / NPI Registry data.
What is Gregory E. Cox's NPI number?
1386607844. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Gregory E. Cox works

Medicare's Facility Affiliation Data lists Gregory E. Cox at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Gregory E. Cox is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Gregory E. Cox as a member of this group (CMS data updated 2026-10-02).

  • Refocus Eye Health of NJ PC47 clinicians in the group

Specialties

Find other Ophthalmology doctors in New Jersey →

Other ophthalmologists in Hamilton

Clinicians with the same Medicare primary specialty in Hamilton, NJ — not a recommendation.

All ophthalmologists in Hamilton →

Clinician information

CredentialMD
Medical schoolHahnemann University College Of Medicine
Graduation year1991
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1386607844
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians