Marissa T. Santos, M.D.
NPI 1659332377ActiveIndividual· Internal Medicine· Rego Park, NY
Internal Medicine (M.D.) in Rego Park, New York, licensed in NY, with an NPI issued in March 2006. Their prescriptions cost Medicare Part D more than their services did: $882,680 for 6,348 claims, against $54,815 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 20 companies reporting payments in 2025, $2,785 in all, mostly food and beverage.
Overview
| NPI | 1659332377 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Mar 31, 2006 |
| Last updated in NPPES | Jun 22, 2022 |
| Certified by provider | Jun 22, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 198043 | NY |
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 (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 107 |
|---|---|
| Services billed | 926 across 14 procedure codes |
| Paid by Medicare | $54,815 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,348 · 16,788 30-day fills |
|---|---|
| Patients | 512 |
| Total drug cost | $882,680 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 1986 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Industry payments (Open Payments)
- 2025$2,785 · 120 payments from 20 companies
- 2024$3,125 · 127 payments from 22 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $575.32 | 25 |
| Novo Nordisk Inc | $368.28 | 15 |
| Gilead Sciences, Inc. | $221.26 | 10 |
| Intra-Sana Laboratories | $196.62 | 5 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $179.29 | 8 |
What the 2025 payments were for
- Food and Beverage$2,780 · 119 payments
- Education$5.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 76 internal medicine physicians in Rego Park · All internal medicine physicians in New York