Sixto Perez Garcia, MD
NPI 1649240110ActiveIndividual· Internal Medicine, Hematology & Oncology· San Juan, PR
Internal Medicine, Hematology & Oncology (MD) in San Juan, Puerto Rico, trained at University of Puerto Rico School of Medicine (class of 1995). Their prescriptions cost Medicare Part D more than their services did: $2,494,280 for 944 claims, against $327,326 paid for services in 2024. E.R. Squibb & Sons, L.L.C. was the largest of 24 companies reporting payments in 2025, $3,653 in all, mostly food and beverage.
Overview
| NPI | 1649240110 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jan 25, 2006 |
| Last updated in NPPES | Jan 27, 2026 |
| Certified by provider | Jan 27, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 13860 | 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 - Hematology/Oncology (PR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 71 |
|---|---|
| Services billed | 10,755 across 33 procedure codes |
| Paid by Medicare | $327,326 |
Part D prescriptions in 2024
| Prescriptions (claims) | 944 · 1,008 30-day fills |
|---|---|
| Patients | 158 |
| Total drug cost | $2,494,280 |
| Generic share | 80% of claims |
Education and affiliations
| Medical school | University of Puerto Rico School of Medicine |
|---|---|
| Graduation year | 1995 |
| Medicare specialty | Hematology/Oncology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Hospital affiliation
- Hospital Pavia SanturceSan Juan, PR
Industry payments (Open Payments)
- 2025$3,653 · 147 payments from 24 companies
- 2024$3,235 · 145 payments from 24 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| E.R. Squibb & Sons, L.L.C. | $893.81 | 37 |
| Abbvie Inc. | $443.26 | 18 |
| Novartis Pharmaceuticals Corporation | $293.41 | 12 |
| Tempus Ai, Inc | $171.79 | 6 |
| Fennec Pharmaceuticals, Inc. | $154.81 | 1 |
What the 2025 payments were for
- Food and Beverage$3,653 · 147 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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