Brendan Gontarz, MD
NPI 1023471273ActiveIndividual· Surgery, Vascular Surgery· North Haven, CT
Surgery, Vascular Surgery (MD) in North Haven, Connecticut, licensed in CT, with an NPI issued in April 2016. Medicare paid $4,921 for services to 14 patients in 2024. W. L. Gore & Associates, Inc. was the largest of 6 companies reporting payments in 2025, $1,239 in all, mostly food and beverage.
Overview
| NPI | 1023471273 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 4, 2016 |
| Last updated in NPPES | Jul 27, 2026 |
| Certified by provider | Jul 27, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery, Vascular Surgery Primary | 2086S0129X | 75034 | CT |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - General Surgery (CT); Practitioner - Vascular Surgery (CT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 14 |
|---|---|
| Services billed | 20 across 13 procedure codes |
| Paid by Medicare | $4,921 |
Industry payments (Open Payments)
- 2025$1,239 · 10 payments from 6 companies
- 2024$1,043 · 7 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| W. L. Gore & Associates, Inc. | $393.94 | 3 |
| Penumbra, Inc. | $301.22 | 2 |
| Medtronic, Inc. | $190.53 | 2 |
| Kerecis Limited | $153.82 | 1 |
| Lemaitre Vascular, Inc. | $119.89 | 1 |
What the 2025 payments were for
- Food and Beverage$1,239 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Surgery, Vascular Surgery providers in North Haven
- 1558494575
- 1043492028
- 1497790026
- 1053344424