Gregory Zanieski, MD
NPI 1235320474ActiveIndividual· Surgery, Surgical Oncology· New Haven, CT
Surgery, Surgical Oncology (MD) in New Haven, Connecticut, trained at State University of New York at Stony Brook, School of Medicine (class of 2002). Medicare paid $27,126 for services to 108 patients in 2024. Endomagnetics Ltd reported $26.75 in payments in 2024, mostly food and beverage.
Overview
| NPI | 1235320474 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 5, 2007 |
| Last updated in NPPES | Jul 30, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery, Surgical Oncology Primary | 2086X0206X | 62463 | CT |
| Surgery | 208600000X | 256848 | NY |
| Surgery | 208600000X | MD432356 | PA |
| Surgery, Surgical Oncology | 2086X0206X | 256848 | NY |
| Surgery, Surgical Oncology | 2086X0206X | MD432356 | PA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - General Surgery (CT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 108 |
|---|---|
| Services billed | 182 across 16 procedure codes |
| Paid by Medicare | $27,126 |
Education and affiliations
| Medical school | State University of New York at Stony Brook, School of Medicine |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | General Surgery |
| Secondary specialties | Surgical Oncology |
Medical group
- Yale UniversityNew Haven, CT · 2,645 clinicians
Hospital affiliations
- Lawrence & Memorial HospitalNew London, CT
- Yale-New Haven HospitalNew Haven, CT
Industry payments (Open Payments)
- 2024$26.75 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Endomagnetics Ltd | $26.75 | 1 |
What the 2024 payments were for
- Food and Beverage$26.75 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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