Melvin Melendez, M.D.
NPI 1164531059ActiveIndividual· Internal Medicine, Gastroenterology· San Juan, PR
Internal Medicine, Gastroenterology (M.D.) in San Juan, Puerto Rico, trained at University of Puerto Rico School of Medicine (class of 1988). Their prescriptions cost Medicare Part D more than their services did: $93,277 for 1,322 claims, against $6,829 paid for services in 2024. Abbvie Inc. was the largest of 2 companies reporting payments in 2025, $214.35 in all, mostly food and beverage.
Overview
| NPI | 1164531059 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Aug 30, 2006 |
| Last updated in NPPES | Jul 6, 2020 |
| Certified by provider | Jul 6, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 11617 | PR |
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 - Gastroenterology (PR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 23 |
|---|---|
| Services billed | 61 across 8 procedure codes |
| Paid by Medicare | $6,829 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,322 · 1,401 30-day fills |
|---|---|
| Patients | 470 |
| Total drug cost | $93,277 |
| Generic share | 81% of claims |
Education and affiliations
| Medical school | University of Puerto Rico School of Medicine |
|---|---|
| Graduation year | 1988 |
| Medicare specialty | Gastroenterology |
Medical group
- Gastro-Centro Norte PSCArecibo, PR · 3 clinicians
Industry payments (Open Payments)
- 2025$214.35 · 9 payments from 2 companies
- 2024$163.25 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $183.79 | 8 |
| Madrigal Pharmaceuticals | $30.56 | 1 |
What the 2025 payments were for
- Food and Beverage$214.35 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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