Ernesto X. Marrero De Gracia, M.D.
NPI 1295743367ActiveIndividual· Internal Medicine· Bayamon, PR
Internal Medicine (M.D.) in Bayamon, Puerto Rico, licensed in PR, with an NPI issued in August 2006. Their prescriptions cost Medicare Part D more than their services did: $1,203,116 for 12,051 claims, against $11,737 paid for services in 2024. Boehringer Ingelheim Pharmaceuticals, Inc. was the largest of 3 companies reporting payments in 2025, $158.23 in all, mostly food and beverage. Lists Hospital Espanol Auxilio Mutuo San Pablo as a hospital affiliation.
Overview
| NPI | 1295743367 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Aug 4, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 15171 | 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 | 42 |
|---|---|
| Services billed | 190 across 7 procedure codes |
| Paid by Medicare | $11,737 |
Part D prescriptions in 2024
| Prescriptions (claims) | 12,051 · 27,135 30-day fills |
|---|---|
| Patients | 664 |
| Total drug cost | $1,203,116 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 2001 |
|---|---|
| Medicare specialty | Internal Medicine |
Hospital affiliation
- Hospital Espanol Auxilio Mutuo San PabloBayamon, PR
Industry payments (Open Payments)
- 2025$158.23 · 6 payments from 3 companies
- 2024$64.53 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boehringer Ingelheim Pharmaceuticals, Inc. | $106.25 | 4 |
| Pbg Puerto Rico LLC | $28.44 | 1 |
| Merck Sharp & Dohme LLC | $23.54 | 1 |
What the 2025 payments were for
- Food and Beverage$158.23 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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