Ernesto Garcia Santiago, M.D.
NPI 1609820414ActiveIndividual· Internal Medicine· Caguas, PR
Internal Medicine (M.D.) in Caguas, Puerto Rico, licensed in PR, with an NPI issued in May 2006. Their prescriptions cost Medicare Part D more than their services did: $964,921 for 14,038 claims, against $14,686 paid for services in 2024. Ge Healthcare was the largest of 5 companies reporting payments in 2025, $481.67 in all, mostly food and beverage. Lists Hospital Menonita Caguas Inc as a hospital affiliation.
Overview
| NPI | 1609820414 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 19, 2006 |
| Last updated in NPPES | Apr 14, 2020 |
| Certified by provider | Apr 14, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 11239 | 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 - Internal Medicine (PR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 49 |
|---|---|
| Services billed | 162 across 11 procedure codes |
| Paid by Medicare | $14,686 |
Part D prescriptions in 2024
| Prescriptions (claims) | 14,038 · 23,400 30-day fills |
|---|---|
| Patients | 847 |
| Total drug cost | $964,921 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 1990 |
|---|---|
| Medicare specialty | Internal Medicine |
Hospital affiliation
- Hospital Menonita Caguas IncCaguas, PR
Other facilities
- Hospicio Luz CelesteHospice · Caguas, PR
- Hospicio Luz de Esperanza IncHospice · Manati, PR
Industry payments (Open Payments)
- 2025$481.67 · 8 payments from 5 companies
- 2024$425.85 · 7 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ge Healthcare | $150.00 | 1 |
| Abbvie Inc. | $125.00 | 1 |
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $110.75 | 3 |
| Merck Sharp & Dohme LLC | $53.75 | 1 |
| E.R. Squibb & Sons, L.L.C. | $42.17 | 2 |
What the 2025 payments were for
- Food and Beverage$481.67 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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