Alfredo Ramirez, M.D.
NPI 1528005162ActiveIndividual· Internal Medicine, Nephrology· Mayaguez, PR
Internal Medicine, Nephrology (M.D.) in Mayaguez, Puerto Rico, licensed in PR, with an NPI issued in June 2006. Their prescriptions cost Medicare Part D more than their services did: $588,430 for 3,086 claims, against $33,769 paid for services in 2024. Nxstage Medical, Inc. was the largest of 2 companies reporting payments in 2025, $190.99 in all, mostly food and beverage. Lists Hospital de la Concepcion and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1528005162 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jun 1, 2006 |
| Last updated in NPPES | May 3, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 12794 | 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 | 49 |
|---|---|
| Services billed | 217 across 12 procedure codes |
| Paid by Medicare | $33,769 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,086 · 5,320 30-day fills |
|---|---|
| Patients | 679 |
| Total drug cost | $588,430 |
| Generic share | 73% of claims |
Education and affiliations
| Graduation year | 2005 |
|---|---|
| Medicare specialty | Nephrology |
Hospital affiliations
- Hospital de la ConcepcionSan German, PR
- Hospital PereaMayaguez, PR
- Mayaguez Medical Center Dr Ramon Emeterio BetancesMayaguez, PR
Other facilities
- Atlantis San GermanDialysis facility · San German, PR
Industry payments (Open Payments)
- 2025$190.99 · 3 payments from 2 companies
- 2024$80.46 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Nxstage Medical, Inc. | $145.28 | 1 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $45.71 | 2 |
What the 2025 payments were for
- Food and Beverage$190.99 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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