Niamh Marie Keegan, MB BCH BAO
NPI 1811487127ActiveIndividual· Internal Medicine, Hematology & Oncology· New York, NY
Internal Medicine, Hematology & Oncology (MB BCH BAO) with Memorial Solid Tumor Group and 2 other groups, practicing in New York, New York. Their prescriptions cost Medicare Part D more than their services did: $2,819,521 for 1,078 claims, against $93,762 paid for services in 2024. Lists Sharon Hospital as a hospital affiliation.
Overview
| NPI | 1811487127 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MB BCH BAO |
| Sole proprietor | No |
| NPI issued | May 11, 2018 |
| Last updated in NPPES | Mar 20, 2023 |
| Certified by provider | Mar 20, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 307947 | 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 (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 311 |
|---|---|
| Services billed | 1,113 across 13 procedure codes |
| Paid by Medicare | $93,762 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,078 · 1,429 30-day fills |
|---|---|
| Patients | 170 |
| Total drug cost | $2,819,521 |
| Generic share | 80% of claims |
Education and affiliations
| Graduation year | 2010 |
|---|---|
| Medicare specialty | Medical Oncology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Memorial Solid Tumor GroupNew York, NY · 234 clinicians
- Msk HarrisonWest Harrison, NY · 132 clinicians
- Msk NassauUniondale, NY · 98 clinicians
Hospital affiliation
- Sharon HospitalSharon, CT
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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