Mary Louise Keohan, MD
NPI 1184695124ActiveIndividual· Internal Medicine, Medical Oncology· New York, NY
Internal Medicine, Medical Oncology (MD) with Memorial Solid Tumor Group, practicing in New York, New York. Their prescriptions cost Medicare Part D more than their services did: $739,112 for 194 claims, against $44,325 paid for services in 2024. Aadi Bioscience, Inc. reported $127.12 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1184695124 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 29, 2006 |
| Last updated in NPPES | Feb 24, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | 202980 | 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 - Hematology/Oncology (NJ); Practitioner - Hematology/Oncology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 138 |
|---|---|
| Services billed | 451 across 14 procedure codes |
| Paid by Medicare | $44,325 |
Part D prescriptions in 2024
| Prescriptions (claims) | 194 · 233 30-day fills |
|---|---|
| Patients | 48 |
| Total drug cost | $739,112 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 1991 |
|---|---|
| Medicare specialty | Hematology/Oncology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Memorial Solid Tumor GroupNew York, NY · 234 clinicians
Other facilities
- Vns of Ny Home Care ChhaHome health agency · New York, NY
Industry payments (Open Payments)
- 2025$127.12 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Aadi Bioscience, Inc. | $127.12 | 1 |
What the 2025 payments were for
- Food and Beverage$127.12 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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