Carla J. Williams, M.D.
NPI 1073589396ActiveIndividual· Specialist· Greenwich, CT
Opted out of Medicare from July 2021 to July 2027. Specialist (M.D.) in Greenwich, Connecticut, licensed in CT and NY, with an NPI issued in February 2006. Part D covered 287 prescriptions written in 2024, 80% of them generic. Otsuka America Pharmaceutical, Inc. was the largest of 7 companies reporting payments in 2025, $303.11 in all, mostly food and beverage.
Overview
| NPI | 1073589396 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Feb 27, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Specialist Primary | 174400000X | 031982 | CT |
| Specialist | 174400000X | 203942-1 | NY |
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) | Not in the public enrollment file of Oct 1, 2026 |
|---|---|
| Opt-out | Opted out Jul 1, 2021 – 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) | 287 · 577 30-day fills |
|---|---|
| Patients | 85 |
| Total drug cost | $30,015 |
| Generic share | 80% of claims |
Industry payments (Open Payments)
- 2025$303.11 · 12 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Otsuka America Pharmaceutical, Inc. | $102.77 | 4 |
| Exeltis, USA Inc. | $62.38 | 2 |
| Abbvie Inc. | $62.20 | 2 |
| Hologic Sales and Service, LLC | $22.62 | 1 |
| Organon LLC | $19.52 | 1 |
What the 2025 payments were for
- Food and Beverage$303.11 · 12 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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