Manuel A. Santini Santiago, M.D.
NPI 1346243722ActiveIndividual· Internal Medicine, Gastroenterology· Rio Piedras, PR
Internal Medicine, Gastroenterology (M.D.) in Rio Piedras, Puerto Rico, licensed in PR, with an NPI issued in May 2005. Their prescriptions cost Medicare Part D more than their services did: $143,171 for 2,190 claims, against $9,857 paid for services in 2024. Olympus Latin America, Inc. reported $146.86 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1346243722 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | May 31, 2005 |
| Last updated in NPPES | Dec 7, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 6636 | 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 | 38 |
|---|---|
| Services billed | 105 across 11 procedure codes |
| Paid by Medicare | $9,857 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,190 · 2,416 30-day fills |
|---|---|
| Patients | 650 |
| Total drug cost | $143,171 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 1978 |
|---|---|
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
Industry payments (Open Payments)
- 2025$146.86 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Olympus Latin America, Inc. | $146.86 | 1 |
What the 2025 payments were for
- Food and Beverage$146.86 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Gastroenterology providers in Rio Piedras
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All Internal Medicine, Gastroenterology providers in Puerto Rico →