Maria M. Rubinstein, M.D.
NPI 1811333750ActiveIndividual· Internal Medicine· New York, NY
Internal Medicine (M.D.) with Memorial Sloan Kettering Cancer Center at Basking Ridge New Jersey and 1 other group, practicing in New York, New York. Their prescriptions cost Medicare Part D more than their services did: $310,351 for 294 claims, against $32,523 paid for services in 2024. Aadi Bioscience, Inc. reported $3,467 in payments in 2025, mostly consulting fees.
Overview
| NPI | 1811333750 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | May 19, 2013 |
| Last updated in NPPES | May 8, 2020 |
| Certified by provider | May 8, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 283887 | NY |
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 - Medical Oncology (NJ); Practitioner - Medical Oncology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 107 |
|---|---|
| Services billed | 386 across 6 procedure codes |
| Paid by Medicare | $32,523 |
Part D prescriptions in 2024
| Prescriptions (claims) | 294 · 367 30-day fills |
|---|---|
| Patients | 77 |
| Total drug cost | $310,351 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 2013 |
|---|---|
| Medicare specialty | Medical Oncology |
| Telehealth | Offers telehealth |
Medical groups
- Memorial Sloan Kettering Cancer Center at Basking Ridge New JerseyBasking Ridge, NJ · 229 clinicians
- Memorial Developmental Chemo GroupNew York, NY · 48 clinicians
Industry payments (Open Payments)
- 2025$3,467 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Aadi Bioscience, Inc. | $3,467 | 2 |
What the 2025 payments were for
- Consulting Fee$3,467 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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