Alejandro Diaz Arumir Vergara, MD
NPI 1578359501ActiveIndividual· Internal Medicine, Infectious Disease· Jackson, MS
Internal Medicine, Infectious Disease (MD) in Jackson, Mississippi, licensed in MS, with an NPI issued in April 2025. Enrolled in Medicare as order and referring only - internal medicine. Merck Sharp & Dohme LLC reported $22.45 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1578359501 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 16, 2025 |
| Last updated in NPPES | Apr 17, 2025 |
| Certified by provider | Apr 17, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Infectious Disease Primary | 207RI0200X | NA | MS |
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 Order and Referring Only - Internal Medicine (MS) |
|---|
Industry payments (Open Payments)
- 2025$22.45 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $22.45 | 1 |
What the 2025 payments were for
- Food and Beverage$22.45 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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