Paul Masi, MD
NPI 1669444105 · Ophthalmology Physician · Hamden, CT
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Paul Masi, MD is a Ophthalmology Physician provider in Hamden, CT (NPI 1669444105).
Provider details
- NPI number
- 1669444105
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 028915 (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
2,458 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 Complete Exam of Visual System92014 | 1,099 | $124 |
| Established Patient Problem Focused Exam of Visual System92012 | 355 | $84 |
| Imaging of Optic Nerve92133 | 209 | $34 |
| Exam of Visual Field With Extended Testing92083 | 202 | $63 |
| Imaging of Retina92134 | 190 | $39 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 118 | $521 |
| Measurement of Corneal Curvature and Depth of Eye |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 27 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 810 | 250 |
| Prednisolone Acetate | 360 | 249 |
| Ofloxacin | 345 | 239 |
| Timolol Maleate | 308 | 90 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 152 | 37 |
| Bimatoprostbrand: Lumigan | 145 | 57 |
| Ketorolac Tromethamine | 123 | 78 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$134 across 6 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
- 2006-02-07
- Last updated
- 2021-11-03
- Certified
- 2021-11-03
Frequently asked questions
- What is Paul Masi's NPI number?
- Paul Masi's National Provider Identifier (NPI) is 1669444105, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Paul Masi's specialty?
- Paul Masi is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Paul Masi located?
- Paul Masi's practice location on file with NPPES is 2880 Old Dixwell Ave, Hamden, CT 06518-3144.
- What is Paul Masi's phone number?
- The practice phone number listed in the NPPES registry for Paul Masi is (203) 248-6365.
- Does Paul Masi accept Medicare?
- Paul Masi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Paul Masi's NPI active?
- Yes — Paul Masi's NPI (1669444105) is active in the NPPES registry as of the last update on 2021-11-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.