William Rafael Taboas, M.D.
NPI 1992718431ActiveIndividual· Specialist· San Juan, PR
Specialist (M.D.) in San Juan, Puerto Rico, trained at University of Puerto Rico School of Medicine (class of 1985). Their prescriptions cost Medicare Part D more than their services did: $551,894 for 877 claims, against $22,914 paid for services in 2024. Nxstage Medical, Inc. was the largest of 2 companies reporting payments in 2024, $416.11 in all, mostly food and beverage.
Overview
| NPI | 1992718431 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Aug 14, 2006 |
| Last updated in NPPES | Jul 9, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Specialist Primary | 174400000X | 9341 | 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 | 45 |
|---|---|
| Services billed | 209 across 10 procedure codes |
| Paid by Medicare | $22,914 |
Part D prescriptions in 2024
| Prescriptions (claims) | 877 · 1,573 30-day fills |
|---|---|
| Patients | 92 |
| Total drug cost | $551,894 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | University of Puerto Rico School of Medicine |
|---|---|
| Graduation year | 1985 |
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
Medical group
- Recinto de Ciencias MedicasCarolina, PR · 247 clinicians
Hospital affiliations
- Auxilio Mutuo HospitalSan Juan, PR
- Hospital Upr, Dr Federico TrillaCarolina, PR
Other facilities
- Fmc Los PaseosDialysis facility · San Juan, PR
Industry payments (Open Payments)
- 2024$416.11 · 3 payments from 2 companies
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Nxstage Medical, Inc. | $338.76 | 2 |
| Bayer Healthcare Pharmaceuticals Inc. | $77.35 | 1 |
What the 2024 payments were for
- Food and Beverage$416.11 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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