Roy A. Kellerman, MD
NPI 1083780605ActiveIndividual· Internal Medicine· Bloomfield, CT
Internal Medicine (MD) in Bloomfield, Connecticut, trained at State University of New York at Buffalo School of Medicine (class of 1980). Their prescriptions cost Medicare Part D more than their services did: $1,741,802 for 9,028 claims, against $26,331 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 17 companies reporting payments in 2025, $1,415 in all, mostly food and beverage.
Overview
| NPI | 1083780605 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 27, 2006 |
| Last updated in NPPES | Jun 16, 2021 |
| Certified by provider | Jun 16, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 23862 | CT |
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) | Enrolled Practitioner - Internal Medicine (CT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 102 |
|---|---|
| Services billed | 384 across 17 procedure codes |
| Paid by Medicare | $26,331 |
Part D prescriptions in 2024
| Prescriptions (claims) | 9,028 · 21,281 30-day fills |
|---|---|
| Patients | 664 |
| Total drug cost | $1,741,802 |
| Generic share | 78% of claims |
Education and affiliations
| Medical school | State University of New York at Buffalo School of Medicine |
|---|---|
| Graduation year | 1980 |
| Medicare specialty | Internal Medicine |
Hospital affiliations
- John Dempsey Hospital of the University of ConnectFarmington, CT
- St Francis Hospital & Medical CenterHartford, CT
Other facilities
- Hartford Healthcare at HomeHome health agency · East Hartford, CT
Industry payments (Open Payments)
- 2025$1,415 · 60 payments from 17 companies
- 2024$1,705 · 97 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $343.84 | 14 |
| Exact Sciences Corporation | $226.96 | 10 |
| Glaxosmithkline, LLC. | $122.56 | 5 |
| Novo Nordisk Inc | $105.87 | 5 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $98.14 | 5 |
What the 2025 payments were for
- Food and Beverage$1,415 · 60 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 38 internal medicine physicians in Bloomfield · All internal medicine physicians in Connecticut