Roisin O'Cearbhaill, MB BCH
NPI 1821241043 · Medical Oncology Physician · New York, NY
Enrolled with Medicare as Practitioner - Medical Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Roisin O'Cearbhaill, MB BCH is a Medical Oncology Physician provider in New York, NY (NPI 1821241043).
Provider details
- NPI number
- 1821241043
- Entity type
- Individual
- Primary specialty
- Medical Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MB BCH
- Sex
- Female
- Sole proprietor
- No
- License
- 256816 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
17 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
680 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 662 | $113 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 18 | $203 |
Typical Medicare-allowed amounts for these services range $113–$203 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rivaroxabanbrand: Xarelto | 40 | — |
| Levothyroxine Sodium | 40 | 11 |
| Ondansetron Hcl | 36 | 18 |
| Dexamethasone | 34 | 19 |
| Losartan Potassium | 30 | — |
| Niraparib Tosylatebrand: Zejula | 26 | — |
| Prednisolone Acetate | 26 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$7,775 across 10 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-10-31
- Last updated
- 2013-03-28
Frequently asked questions
- What is Roisin O'Cearbhaill's NPI number?
- Roisin O'Cearbhaill's National Provider Identifier (NPI) is 1821241043, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Roisin O'Cearbhaill's specialty?
- Roisin O'Cearbhaill is listed in the NPPES registry with a primary specialty of Medical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Roisin O'Cearbhaill located?
- Roisin O'Cearbhaill's practice location on file with NPPES is 300 E 66th St, New York, NY 10065-6800.
- What is Roisin O'Cearbhaill's phone number?
- The practice phone number listed in the NPPES registry for Roisin O'Cearbhaill is (646) 888-4227.
- Does Roisin O'Cearbhaill accept Medicare?
- Roisin O'Cearbhaill is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Roisin O'Cearbhaill's NPI active?
- Yes — Roisin O'Cearbhaill's NPI (1821241043) is active in the NPPES registry as of the last update on 2013-03-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.