Marielle Denisse Sanchez, M.D.
NPI 1245496637ActiveIndividual· Internal Medicine· Bayamon, PR
Internal Medicine (M.D.) in Bayamon, Puerto Rico, trained at University of Puerto Rico School of Medicine (class of 2007). Their prescriptions cost Medicare Part D more than their services did: $339,643 for 6,991 claims, against $2,520 paid for services in 2024. Merck Sharp & Dohme LLC reported $21.67 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1245496637 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 5, 2008 |
| Last updated in NPPES | Sep 3, 2023 |
| Certified by provider | Sep 3, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 18036 | 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 | 11 |
|---|---|
| Services billed | 33 across 7 procedure codes |
| Paid by Medicare | $2,520 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,991 · 10,579 30-day fills |
|---|---|
| Patients | 297 |
| Total drug cost | $339,643 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | University of Puerto Rico School of Medicine |
|---|---|
| Graduation year | 2007 |
| Medicare specialty | Internal Medicine |
Industry payments (Open Payments)
- 2025$21.67 · 1 payment from 1 company
- 2024$100.49 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $21.67 | 1 |
What the 2025 payments were for
- Food and Beverage$21.67 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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