Gerardo J. Medina Caban, MD
NPI 1003912288ActiveIndividual· Internal Medicine, Nephrology· Mayaguez, PR
Internal Medicine, Nephrology (MD) in Mayaguez, Puerto Rico, trained at University of Puerto Rico School of Medicine (class of 1998). Their prescriptions cost Medicare Part D more than their services did: $279,218 for 2,619 claims, against $14,321 paid for services in 2024. Shionogi Inc was the largest of 8 companies reporting payments in 2025, $377.15 in all, mostly food and beverage.
Overview
| NPI | 1003912288 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Sep 15, 2006 |
| Last updated in NPPES | Oct 5, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 14373 | PR |
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 (PR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 37 |
|---|---|
| Services billed | 323 across 12 procedure codes |
| Paid by Medicare | $14,321 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,619 · 3,042 30-day fills |
|---|---|
| Patients | 417 |
| Total drug cost | $279,218 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | University of Puerto Rico School of Medicine |
|---|---|
| Graduation year | 1998 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Nephrology |
Medical group
- Nefrologos Asociados del OesteSan German, PR · 7 clinicians
Hospital affiliations
- Hospital de la ConcepcionSan German, PR
- Mayaguez Medical Center Dr Ramon Emeterio BetancesMayaguez, PR
Industry payments (Open Payments)
- 2025$377.15 · 12 payments from 8 companies
- 2024$323.06 · 9 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Shionogi Inc | $122.55 | 1 |
| Astrazeneca Pharmaceuticals LP | $67.17 | 3 |
| Amgen Inc. | $50.30 | 2 |
| Calliditas Therapeutics US Inc. | $32.56 | 2 |
| Novartis Pharmaceuticals Corporation | $31.88 | 1 |
What the 2025 payments were for
- Food and Beverage$377.15 · 12 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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