James Weisz, M.D.
NPI 1639144967 · Ophthalmology Physician · New Haven, CT
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Weisz, M.D. is a Ophthalmology Physician provider in New Haven, CT (NPI 1639144967).
Provider details
- NPI number
- 1639144967
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- License
- 036730 (CT)
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
3,005 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) |
|---|---|---|
| Imaging of Retina92134 | 1,329 | $43 |
| Injection of Drug Into Eye67028 | 745 | $137 |
| Established Patient Problem Focused Exam of Visual System92012 | 462 | $95 |
| Established Patient Complete Exam of Visual System92014 | 284 | $134 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 77 | $178 |
| Photography of the Retina92250 | 69 | $39 |
| Unclassified Drugs |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisolone Acetate | 136 | 60 |
| Diclofenac Sodium | 106 | 30 |
| Prednisone | 60 | 23 |
| Timolol Maleate | 50 | 20 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 34 | 14 |
| Bromfenac Sodiumbrand: Prolensa | 34 | — |
| Ketorolac Tromethamine | 33 | 14 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,206 across 40 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
- 2006-02-21
- Last updated
- 2023-09-08
- Certified
- 2023-09-08
Frequently asked questions
- What is James Weisz's NPI number?
- James Weisz's National Provider Identifier (NPI) is 1639144967, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Weisz's specialty?
- James Weisz is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is James Weisz located?
- James Weisz's practice location on file with NPPES is 46 Prince St, New Haven, CT 06519-1600.
- What is James Weisz's phone number?
- The practice phone number listed in the NPPES registry for James Weisz is (203) 365-6565.
- Does James Weisz accept Medicare?
- James Weisz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Weisz's NPI active?
- Yes — James Weisz's NPI (1639144967) is active in the NPPES registry as of the last update on 2023-09-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.