Theodore Blaszczyk, M.D.
NPI 1962588640ActiveIndividual· Obstetrics & Gynecology· Smithtown, NY
Obstetrics & Gynecology (M.D.) in Smithtown, New York, trained at Northwestern University Feinberg Medical School (class of 1983). In 2024 Medicare paid $17,922 for 103 patients, and Part D covered 93 of their prescriptions, 88% of them generic. Gilead Sciences, Inc. was the largest of 3 companies reporting payments in 2025, $51.24 in all, mostly food and beverage.
Overview
| NPI | 1962588640 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Oct 27, 2006 |
| Last updated in NPPES | Apr 27, 2022 |
| Certified by provider | Apr 27, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | 169211 | NY |
| Obstetrics & Gynecology, Obstetrics | 207VX0000X | 169211 | NY |
| Obstetrics & Gynecology, Gynecology | 207VG0400X | 169211 | NY |
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 - Obstetrics/Gynecology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 103 |
|---|---|
| Services billed | 312 across 19 procedure codes |
| Paid by Medicare | $17,922 |
Part D prescriptions in 2024
| Prescriptions (claims) | 93 · 206 30-day fills |
|---|---|
| Patients | 34 |
| Total drug cost | $18,318 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Northwestern University Feinberg Medical School |
|---|---|
| Graduation year | 1983 |
| Medicare specialty | Obstetrics/Gynecology |
Medical group
- University Associates in Obstetrics and Gynecology University FacultyStony Brook, NY · 112 clinicians
Hospital affiliations
- John T Mather Memorial Hospital of Port JeffersonPort Jefferson, NY
- Suny/Stony Brook University HospitalStony Brook, NY
Industry payments (Open Payments)
- 2025$51.24 · 3 payments from 3 companies
- 2024$131.29 · 5 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Gilead Sciences, Inc. | $29.32 | 1 |
| Shield Therapeutics Inc | $15.49 | 1 |
| Evofem Biosciences, Inc. | $6.43 | 1 |
What the 2025 payments were for
- Food and Beverage$51.24 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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