Rafael H. Zaragoza Urdaz, M.D., PH.D.
NPI 1023166055ActiveIndividual· Allergy & Immunology, Allergy· San Juan, PR
Allergy & Immunology, Allergy (M.D., PH.D.) in San Juan, Puerto Rico, trained at University of Puerto Rico School of Medicine (class of 1987). Their prescriptions cost Medicare Part D more than their services did: $4,524,535 for 1,801 claims, against $22,947 paid for services in 2024. Pharming Healthcare, Inc. was the largest of 11 companies reporting payments in 2025, $39,738 in all, mostly speaking and faculty fees.
Overview
| NPI | 1023166055 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D., PH.D. |
| Sole proprietor | Yes |
| NPI issued | Jan 8, 2007 |
| Last updated in NPPES | Oct 26, 2026 |
| Certified by provider | Oct 26, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Allergy & Immunology, Allergy Primary | 207KA0200X | 11589 | PR |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Allergy/Immunology (PR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 65 |
|---|---|
| Services billed | 2,342 across 18 procedure codes |
| Paid by Medicare | $22,947 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,801 · 2,003 30-day fills |
|---|---|
| Patients | 298 |
| Total drug cost | $4,524,535 |
| Generic share | 77% of claims |
Education and affiliations
| Medical school | University of Puerto Rico School of Medicine |
|---|---|
| Graduation year | 1987 |
| Medicare specialty | Allergy/Immunology |
Industry payments (Open Payments)
- 2025$39,738 · 103 payments from 11 companies
- 2024$37,394 · 74 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pharming Healthcare, Inc. | $12,846 | 13 |
| Biocryst US Sales Co., LLC | $12,248 | 43 |
| Takeda Pharmaceuticals U.S.A., Inc. | $10,256 | 19 |
| Biocryst Pharmaceuticals, Inc. | $3,674 | 5 |
| Astrazeneca Pharmaceuticals LP | $187.25 | 6 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$21,540 · 9 payments
- Consulting Fee$11,367 · 4 payments
- Travel and Lodging$3,648 · 6 payments
- Food and Beverage$3,183 · 84 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Allergy & Immunology, Allergy providers in San Juan
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