Carlos A. Pantojas, M.D.
NPI 1144299074ActiveIndividual· Internal Medicine, Rheumatology· San Juan, PR
Internal Medicine, Rheumatology (M.D.) in San Juan, Puerto Rico, trained at University Central del Caribe Escuela de Medicina (class of 1984). Their prescriptions cost Medicare Part D more than their services did: $2,730,068 for 8,424 claims, against $7,553 paid for services in 2024. Glaxosmithkline, LLC. reported $15.33 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1144299074 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 14, 2006 |
| Last updated in NPPES | Apr 10, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Rheumatology Primary | 207RR0500X | 9017 | 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 - Rheumatology (PR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 43 |
|---|---|
| Services billed | 229 across 13 procedure codes |
| Paid by Medicare | $7,553 |
Part D prescriptions in 2024
| Prescriptions (claims) | 8,424 · 17,386 30-day fills |
|---|---|
| Patients | 1,198 |
| Total drug cost | $2,730,068 |
| Generic share | 93% of claims |
Education and affiliations
| Medical school | University Central del Caribe Escuela de Medicina |
|---|---|
| Graduation year | 1984 |
| Medicare specialty | Rheumatology |
Industry payments (Open Payments)
- 2025$15.33 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $15.33 | 1 |
What the 2025 payments were for
- Food and Beverage$15.33 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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