Luis Antonio Ivan Vazquez Zubillaga, M.D.
NPI 1891177424ActiveIndividual· Internal Medicine, Nephrology· Ponce, PR
Internal Medicine, Nephrology (M.D.) with Centro de Investigacion Educacion y Servicios Medicos Para la Diabetes, practicing in Ponce, Puerto Rico. Their prescriptions cost Medicare Part D more than their services did: $123,552 for 818 claims, against $5,283 paid for services in 2024. Travere Therapeutics, Inc. was the largest of 5 companies reporting payments in 2025, $362.88 in all, mostly food and beverage. Lists Hospital Menonita Caguas Inc and 1 other hospital as hospital affiliations.
Overview
| NPI | 1891177424 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jun 19, 2015 |
| Last updated in NPPES | Aug 23, 2022 |
| Certified by provider | Aug 23, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 021276 | PR |
| Internal Medicine | 207R00000X | 21276 | PR |
| Internal Medicine, Critical Care Medicine | 207RC0200X | 021276 | PR |
| Student in an Organized Health Care Education/Training Program | 390200000X | 31694-R | PR |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | FL |
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 | 12 |
|---|---|
| Services billed | 50 across 10 procedure codes |
| Paid by Medicare | $5,283 |
Part D prescriptions in 2024
| Prescriptions (claims) | 818 · 982 30-day fills |
|---|---|
| Patients | 173 |
| Total drug cost | $123,552 |
| Generic share | 76% of claims |
Education and affiliations
| Graduation year | 2013 |
|---|---|
| Medicare specialty | Nephrology |
| Secondary specialties | Critical Care (Intensivists), Internal Medicine |
Medical group
- Centro de Investigacion Educacion y Servicios Medicos Para la DiabetesRio Piedras, PR · 7 clinicians
Hospital affiliations
- Hospital Menonita Caguas IncCaguas, PR
- Hospital Menonita Humacao, IncHumacao, PR
Industry payments (Open Payments)
- 2025$362.88 · 11 payments from 5 companies
- 2024$379.54 · 10 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Travere Therapeutics, Inc. | $124.46 | 1 |
| Vifor Pharma, Inc. | $99.38 | 4 |
| Ani Pharmaceuticals, Inc. | $57.14 | 2 |
| Bayer Puerto Rico Inc. | $54.91 | 3 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $26.99 | 1 |
What the 2025 payments were for
- Food and Beverage$362.88 · 11 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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