Gregory Cox, MD
NPI 1386607844 · Ophthalmology Physician · Hamilton, NJ
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Cox, MD is a Ophthalmology Physician provider in Hamilton, NJ (NPI 1386607844).
Provider details
- NPI number
- 1386607844
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MA58113 (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,439 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 713 | $142 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 655 | $101 |
| Photography of the Retina92250 | 459 | $41 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 147 | $186 |
| Exam of Visual Field With Extended Testing92083 | 110 | $71 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 28 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 590 | 172 |
| Prednisolone Acetate | 251 | 151 |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 243 | 174 |
| Ofloxacin | 222 | 146 |
| Flurbiprofen Sodium | 180 | 112 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 163 | 52 |
| Bimatoprostbrand: Lumigan | 125 | 36 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$151 across 8 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-07
- Last updated
- 2020-06-24
- Certified
- 2020-06-24
Frequently asked questions
- What is Gregory Cox's NPI number?
- Gregory Cox's National Provider Identifier (NPI) is 1386607844, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Cox's specialty?
- Gregory Cox is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Cox located?
- Gregory Cox's practice location on file with NPPES is 2 Hamilton Health Place, Hamilton, NJ 08690-3563.
- What is Gregory Cox's phone number?
- The practice phone number listed in the NPPES registry for Gregory Cox is (609) 586-0849.
- Does Gregory Cox accept Medicare?
- Gregory Cox is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Cox's NPI active?
- Yes — Gregory Cox's NPI (1386607844) is active in the NPPES registry as of the last update on 2020-06-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.