Anna Maria Di Marco, M.D.
NPI 1992981690ActiveIndividual· Internal Medicine, Hematology & Oncology· Ponce, PR
Internal Medicine, Hematology & Oncology (M.D.) in Ponce, Puerto Rico, licensed in PR, with an NPI issued in January 2008. Their prescriptions cost Medicare Part D more than their services did: $7,839,870 for 3,127 claims, against $389,544 paid for services in 2024. E.R. Squibb & Sons, L.L.C. was the largest of 24 companies reporting payments in 2025, $3,199 in all, mostly food and beverage. Lists Hospital Episcopal San Lucas II as a hospital affiliation.
Overview
| NPI | 1992981690 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jan 14, 2008 |
| Last updated in NPPES | Oct 23, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 16950 | PR |
| Specialist | 174400000X | 16950 | 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 - Hematology/Oncology (PR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 35 |
|---|---|
| Services billed | 14,497 across 31 procedure codes |
| Paid by Medicare | $389,544 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,127 · 3,840 30-day fills |
|---|---|
| Patients | 500 |
| Total drug cost | $7,839,870 |
| Generic share | 78% of claims |
Education and affiliations
| Graduation year | 2003 |
|---|---|
| Medicare specialty | Hematology/Oncology |
| Secondary specialties | Internal Medicine |
Hospital affiliation
- Hospital Episcopal San Lucas IIPonce, PR
Industry payments (Open Payments)
- 2025$3,199 · 148 payments from 24 companies
- 2024$4,567 · 144 payments from 26 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| E.R. Squibb & Sons, L.L.C. | $471.39 | 20 |
| Astrazeneca Pharmaceuticals LP | $356.83 | 16 |
| Abbvie Inc. | $278.38 | 12 |
| Janssen Pharmaceuticals, Inc | $268.60 | 12 |
| Merck Sharp & Dohme LLC | $259.31 | 13 |
What the 2025 payments were for
- Food and Beverage$3,199 · 148 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All Internal Medicine, Hematology & Oncology providers in Puerto Rico →