Maria Del Pilar Fernandez Marti, MD
NPI 1417220211ActiveIndividual· Internal Medicine, Nephrology· San Juan, PR
Internal Medicine, Nephrology (MD) in San Juan, Puerto Rico, trained at University Central del Caribe Escuela de Medicina (class of 2011). Their prescriptions cost Medicare Part D more than their services did: $683,994 for 2,577 claims, against $9,635 paid for services in 2024. Vifor Pharma, Inc. was the largest of 2 companies reporting payments in 2025, $115.20 in all, mostly food and beverage.
Overview
| NPI | 1417220211 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Feb 10, 2012 |
| Last updated in NPPES | May 26, 2020 |
| Certified by provider | May 26, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 18643 | PR |
| Internal Medicine | 207R00000X | 18643 | 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 - Nephrology (PR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 16 |
|---|---|
| Services billed | 62 across 5 procedure codes |
| Paid by Medicare | $9,635 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,577 · 3,556 30-day fills |
|---|---|
| Patients | 223 |
| Total drug cost | $683,994 |
| Generic share | 76% of claims |
Education and affiliations
| Medical school | University Central del Caribe Escuela de Medicina |
|---|---|
| Graduation year | 2011 |
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
Hospital affiliation
- Auxilio Mutuo HospitalSan Juan, PR
Other facilities
- Fmc CarolinaDialysis facility · Carolina, PR
Industry payments (Open Payments)
- 2025$115.20 · 4 payments from 2 companies
- 2024$286.46 · 13 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Vifor Pharma, Inc. | $60.00 | 2 |
| Astrazeneca Pharmaceuticals LP | $55.20 | 2 |
What the 2025 payments were for
- Food and Beverage$115.20 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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