Diego X. Alvarez, MD
NPI 1780661488ActiveIndividual· Internal Medicine· Oneida, NY
Internal Medicine (MD) in Oneida, New York, trained at State University of New York Downstate Medical Center (class of 1972). Their prescriptions cost Medicare Part D more than their services did: $683,952 for 4,454 claims, against $33,169 paid for services in 2024. Glaxosmithkline, LLC. was the largest of 4 companies reporting payments in 2025, $236.56 in all, mostly food and beverage.
Overview
| NPI | 1780661488 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Dec 23, 2005 |
| Last updated in NPPES | Nov 21, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 25908 | AZ |
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 (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 79 |
|---|---|
| Services billed | 719 across 21 procedure codes |
| Paid by Medicare | $33,169 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,454 · 9,716 30-day fills |
|---|---|
| Patients | 217 |
| Total drug cost | $683,952 |
| Generic share | 80% of claims |
Education and affiliations
| Medical school | State University of New York Downstate Medical Center |
|---|---|
| Graduation year | 1972 |
| Medicare specialty | Internal Medicine |
Hospital affiliations
- Oneida Health HospitalOneida, NY
- Rome Memorial Hospital, IncRome, NY
Industry payments (Open Payments)
- 2025$236.56 · 14 payments from 4 companies
- 2024$321.75 · 18 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $153.04 | 10 |
| Genzyme Corporation | $51.66 | 2 |
| Novo Nordisk Inc | $16.09 | 1 |
| Astrazeneca Pharmaceuticals LP | $15.77 | 1 |
What the 2025 payments were for
- Food and Beverage$236.56 · 14 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine providers in Oneida
- 1255338018
- 1467549246
- 1023043791
- 1447273396
- 1952670069
- 1023043858
- 1750529103
- 1760417992