William Gray, M.D.
NPI 1033402862ActiveIndividual· Internal Medicine· Derby, CT
Internal Medicine (M.D.) in Derby, Connecticut, licensed in CT, with an NPI issued in May 2011. In 2024 Medicare paid $240,790 for 620 patients, and Part D covered 104 of their prescriptions, 86% of them generic. Hydrofera LLC was the largest of 3 companies reporting payments in 2025, $210.29 in all, mostly food and beverage.
Overview
| NPI | 1033402862 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 26, 2011 |
| Last updated in NPPES | Oct 14, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 51115 | CT |
| Hospitalist | 208M00000X | 51115 | 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 (CT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 620 |
|---|---|
| Services billed | 3,479 across 10 procedure codes |
| Paid by Medicare | $240,790 |
Part D prescriptions in 2024
| Prescriptions (claims) | 104 · 104 30-day fills |
|---|---|
| Patients | 47 |
| Total drug cost | $2,370 |
| Generic share | 86% of claims |
Industry payments (Open Payments)
- 2025$210.29 · 5 payments from 3 companies
- 2024$575.41 · 15 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Hydrofera LLC | $111.55 | 2 |
| Medtronic, Inc. | $56.00 | 1 |
| Smith+nephew, Inc. | $42.74 | 2 |
What the 2025 payments were for
- Food and Beverage$154.29 · 4 payments
- Travel and Lodging$56.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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