Francis Zayas, MD
NPI 1255314993ActiveIndividual· Internal Medicine, Gastroenterology· Ponce, PR
Internal Medicine, Gastroenterology (MD) in Ponce, Puerto Rico, trained at Ponce School of Medicine (class of 1994). Their prescriptions cost Medicare Part D more than their services did: $107,884 for 2,053 claims, against $8,507 paid for services in 2024.
Overview
| NPI | 1255314993 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Nov 28, 2005 |
| Last updated in NPPES | Nov 18, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 14266 | 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 - Gastroenterology (PR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 28 |
|---|---|
| Services billed | 51 across 7 procedure codes |
| Paid by Medicare | $8,507 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,053 · 2,466 30-day fills |
|---|---|
| Patients | 435 |
| Total drug cost | $107,884 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | Ponce School of Medicine |
|---|---|
| Graduation year | 1994 |
| Medicare specialty | Gastroenterology |
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All Internal Medicine, Gastroenterology providers in Puerto Rico →