Gregory Haffner, M.D.
NPI 1407886450ActiveIndividual· Ophthalmology· Hamden, CT
Ophthalmology (M.D.) with Refocus Eye Health of Central Connecticut PC, practicing in Hamden, Connecticut. In 2024 Medicare paid $1,215,298 for 685 patients, and Part D covered 242 of their prescriptions, 57% of them generic. Regeneron Healthcare Solutions, Inc. was the largest of 6 companies reporting payments in 2025, $324.09 in all, mostly food and beverage.
Overview
| NPI | 1407886450 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 4, 2006 |
| Last updated in NPPES | Jun 14, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | 043419 | CT |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Ophthalmology (CT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 685 |
|---|---|
| Services billed | 13,788 across 42 procedure codes |
| Paid by Medicare | $1,215,298 |
Part D prescriptions in 2024
| Prescriptions (claims) | 242 · 386 30-day fills |
|---|---|
| Patients | 88 |
| Total drug cost | $20,096 |
| Generic share | 57% of claims |
Education and affiliations
| Graduation year | 2001 |
|---|---|
| Medicare specialty | Ophthalmology |
Medical group
- Refocus Eye Health of Central Connecticut PCManchester, CT · 36 clinicians
Industry payments (Open Payments)
- 2025$324.09 · 11 payments from 6 companies
- 2024$239.30 · 9 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Regeneron Healthcare Solutions, Inc. | $139.75 | 5 |
| Abbvie Inc. | $63.23 | 2 |
| Harrow Eye, LLC | $38.72 | 1 |
| Genentech USA, Inc. | $28.46 | 1 |
| Amgen Inc. | $27.41 | 1 |
What the 2025 payments were for
- Food and Beverage$324.09 · 11 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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