Bryan Leslie Pagan Rivera, M.D.
NPI 1760846497ActiveIndividual· Internal Medicine, Nephrology· Mayaguez, PR
Internal Medicine, Nephrology (M.D.) with Nefrologos Asociados del Oeste, practicing in Mayaguez, Puerto Rico. Their prescriptions cost Medicare Part D more than their services did: $182,070 for 1,492 claims, against $15,188 paid for services in 2024. Calliditas Therapeutics US Inc. was the largest of 5 companies reporting payments in 2025, $407.29 in all, mostly food and beverage. Lists Hospital de la Concepcion and 1 other hospital as hospital affiliations.
Overview
| NPI | 1760846497 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Apr 8, 2016 |
| Last updated in NPPES | Jul 8, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 19262 | 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 | 29 |
|---|---|
| Services billed | 162 across 10 procedure codes |
| Paid by Medicare | $15,188 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,492 · 1,644 30-day fills |
|---|---|
| Patients | 293 |
| Total drug cost | $182,070 |
| Generic share | 92% of claims |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | 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
Other facilities
- Fmc AguadillaDialysis facility · Aguadilla, PR
- Fmc San GermanDialysis facility · San German, PR
Industry payments (Open Payments)
- 2025$407.29 · 10 payments from 5 companies
- 2024$116.16 · 5 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Calliditas Therapeutics US Inc. | $146.43 | 3 |
| Glaxosmithkline, LLC. | $125.00 | 1 |
| Astrazeneca Pharmaceuticals LP | $68.51 | 3 |
| Amgen Inc. | $41.20 | 2 |
| Lilly USA, LLC | $26.15 | 1 |
What the 2025 payments were for
- Food and Beverage$407.29 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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