Tatiana Anna Hamawi, M.D.
NPI 1134101751ActiveIndividual· Pediatrics· Worcester, MA
Opted out of Medicare from July 2023 to July 2027. Pediatrics (M.D.) in Worcester, Massachusetts, licensed in MA, with an NPI issued in November 2005. Part D covered 302 prescriptions written in 2024, 85% of them generic.
Overview
| NPI | 1134101751 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Nov 18, 2005 |
| Last updated in NPPES | May 7, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Pediatrics Primary | 208000000X | 152836 | MA |
| Internal Medicine | 207R00000X | 152836 | MA |
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) | Not in the public enrollment file of Oct 1, 2026 |
|---|---|
| Opt-out | Opted out Jul 1, 2023 – Jul 1, 2027 |
| Can order and refer | Yes |
During an opt-out period the provider sees Medicare patients only under private contracts, and Medicare does not pay claims for their services.
Part D prescriptions in 2024
| Prescriptions (claims) | 302 · 603 30-day fills |
|---|---|
| Patients | 15 |
| Total drug cost | $37,506 |
| Generic share | 85% of claims |
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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