Roisin Eilish O'Cearbhaill, MB BCH
NPI 1821241043ActiveIndividual· Internal Medicine, Medical Oncology· New York, NY
Internal Medicine, Medical Oncology (MB BCH) with Memorial Developmental Chemo Group, practicing in New York, New York. Their prescriptions cost Medicare Part D more than their services did: $733,931 for 590 claims, against $63,396 paid for services in 2024. Regeneron Pharmaceuticals, Inc. was the largest of 4 companies reporting payments in 2025, $3,474 in all, mostly consulting fees.
Overview
| NPI | 1821241043 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MB BCH |
| Sole proprietor | No |
| NPI issued | Oct 31, 2008 |
| Last updated in NPPES | Mar 28, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | 256816 | 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 - Medical Oncology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 149 |
|---|---|
| Services billed | 726 across 9 procedure codes |
| Paid by Medicare | $63,396 |
Part D prescriptions in 2024
| Prescriptions (claims) | 590 · 706 30-day fills |
|---|---|
| Patients | 96 |
| Total drug cost | $733,931 |
| Generic share | 75% of claims |
Education and affiliations
| Graduation year | 2002 |
|---|---|
| Medicare specialty | Medical Oncology |
| Telehealth | Offers telehealth |
Medical group
- Memorial Developmental Chemo GroupNew York, NY · 48 clinicians
Other facilities
- Vns of Ny Home Care ChhaHome health agency · New York, NY
Industry payments (Open Payments)
- 2025$3,474 · 14 payments from 4 companies
- 2024$7,775 · 10 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Regeneron Pharmaceuticals, Inc. | $1,506 | 6 |
| Genmab U.S., Inc. | $1,101 | 6 |
| Astrazeneca Uk Limited | $820.00 | 1 |
| Abbvie Inc. | $47.18 | 1 |
What the 2025 payments were for
- Consulting Fee$2,159 · 5 payments
- Travel and Lodging$1,048 · 4 payments
- Food and Beverage$267.21 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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