Robert Alan Gelfand, M.D.
NPI 1952338147ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· New Haven, CT
Internal Medicine, Endocrinology, Diabetes & Metabolism (M.D.) in New Haven, Connecticut, trained at Yale University School of Medicine (class of 1978). Mostly services rather than prescriptions: Medicare paid $6,402 for 37 patients in 2024, with only 25 Part D claims. Janssen Biotech, Inc. was the largest of 3 companies reporting payments in 2025, $144.39 in all, mostly food and beverage.
Overview
| NPI | 1952338147 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 26, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 023205 | 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 | 37 |
|---|---|
| Services billed | 57 across 6 procedure codes |
| Paid by Medicare | $6,402 |
Part D prescriptions in 2024
| Prescriptions (claims) | 25 · 63 30-day fills |
|---|---|
| Total drug cost | $3,264 |
| Generic share | 48% of claims |
Education and affiliations
| Medical school | Yale University School of Medicine |
|---|---|
| Graduation year | 1978 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Endocrinology |
Medical group
- Hospital Medicine Associates LLCWesterly, RI · 211 clinicians
Hospital affiliation
- Lawrence & Memorial HospitalNew London, CT
Industry payments (Open Payments)
- 2025$144.39 · 5 payments from 3 companies
- 2024$120.27 · 4 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $94.01 | 3 |
| Alexion Pharmaceuticals, Inc. | $30.56 | 1 |
| Lilly USA, LLC | $19.82 | 1 |
What the 2025 payments were for
- Food and Beverage$144.39 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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