Alfred Valdivieso, MD
NPI 1811198922ActiveIndividual· General Practice· San Juan, PR
General Practice (MD) in San Juan, Puerto Rico, licensed in PR, with an NPI issued in May 2007. Their prescriptions cost Medicare Part D more than their services did: $458,612 for 7,742 claims, against $13,733 paid for services in 2024. Johnson and Johnson International was the largest of 4 companies reporting payments in 2025, $207.13 in all, mostly food and beverage. Lists Doctors' Center Hospital San Juan as a hospital affiliation.
Overview
| NPI | 1811198922 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | May 29, 2007 |
| Last updated in NPPES | Mar 7, 2023 |
| Certified by provider | Oct 28, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| General Practice Primary | 208D00000X | 19246 | 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 - General Practice (PR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 72 |
|---|---|
| Services billed | 264 across 10 procedure codes |
| Paid by Medicare | $13,733 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,742 · 11,330 30-day fills |
|---|---|
| Patients | 511 |
| Total drug cost | $458,612 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 2002 |
|---|---|
| Medicare specialty | General Practice |
Hospital affiliation
- Doctors' Center Hospital San JuanSanturce, PR
Industry payments (Open Payments)
- 2025$207.13 · 4 payments from 4 companies
- 2024$199.26 · 5 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Johnson and Johnson International | $101.28 | 1 |
| Lilly USA, LLC | $54.74 | 1 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $32.73 | 1 |
| E.R. Squibb & Sons, L.L.C. | $18.38 | 1 |
What the 2025 payments were for
- Food and Beverage$207.13 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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