Brian Thomas Trezak, MD
NPI 1003913526ActiveIndividual· Internal Medicine· Florence, SC
Internal Medicine (MD) in Florence, South Carolina, trained at State University of Ny Upstate Medical University (class of 1996). Their prescriptions cost Medicare Part D more than their services did: $305,375 for 5,165 claims, against $126,165 paid for services in 2024.
Overview
| NPI | 1003913526 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Sep 19, 2006 |
| Last updated in NPPES | Aug 21, 2024 |
| Certified by provider | Aug 21, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 17416 | NH |
| Internal Medicine | 207R00000X | 21385 | SC |
| Internal Medicine | 207R00000X | MD28278 | ME |
| Internal Medicine | 207R00000X | 2007-000516 | NC |
| Internal Medicine | 207R00000X | 62579 | 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 - Internal Medicine (ME); Practitioner - Internal Medicine (NH); Practitioner - Internal Medicine (SC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 477 |
|---|---|
| Services billed | 1,449 across 20 procedure codes |
| Paid by Medicare | $126,165 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,165 · 5,197 30-day fills |
|---|---|
| Patients | 371 |
| Total drug cost | $305,375 |
| Generic share | 81% of claims |
Education and affiliations
| Medical school | State University of Ny Upstate Medical University |
|---|---|
| Graduation year | 1996 |
| Medicare specialty | Internal Medicine |
Medical group
- Vantage Healthcare LLCCanton, MA · 76 clinicians
Hospital affiliation
- Elliot HospitalManchester, NH
Other facilities
- Wentworth Home Care & Hospice, An Amedisys PartnerHome health agency · Somersworth, NH
- Beth Israel Lahey Health at HomeHospice · Exeter, NH
- Compassus - Greater ManchesterHospice · Bedford, NH
- Constellation HospiceHospice · Newburyport, MA
- Gentiva IHospice · South Portland, ME
- Vna Home Health and Hospice Services, IncHospice · Manchester, NH
- Langdon Place of DoverNursing home · Dover, NH
- Mount Carmel Rehabilitation and Nursing CenterNursing home · Manchester, NH
- River Ridge CenterNursing home · Kennebunk, ME
- Saint Teresa Rehabilitation & Nursing CenterNursing home · Manchester, NH
- St Joseph ResidenceNursing home · Manchester, NH
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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