Roisin Eilish O'Cearbhaill, MB BCH
Medical Oncology Physician · New York, NY
Roisin Eilish O'Cearbhaill, MB BCH is a medical oncology physician with a practice address in New York, New York, and NPI 1821241043, issued on Oct 31, 2008. Check the license (New York 256816, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Roisin Eilish O'Cearbhaill
- Credential
- MB BCH
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License number
- 256816 NY
Self-reported in NPPES; status is on the state search - Practice location
- 300 E 66TH St, New York, NY 10065
- Phone
- (646) 888-4227
- Enumerated
- Oct 31, 2008
- Record last updated
- Mar 28, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (646) 888-4265
- Medicare enrollment
- Enrolled (PECOS I20100831000045); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest medical oncology physician records → All 548 in New York → Look up another NPI →
Also registered at 300 E 66TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Danielle Alleva, AGACNPAcute Care Nurse Practitioner1104370022
- Cara Anselmo, MS, RD, CDNRegistered Dietitian1083900997
- Ashley Arkema, FNPAdult Health Nurse Practitioner1902247372
- Daniella Audi Blotta, MDStudent in an Organized Health Care Education/Training Program1710815261
- Fiyinfolu Balogun, M.D., PH.D.Hematology & Oncology Physician1508277674
- Solange BayardSurgery Physician1932631769
Verify Roisin Eilish O'Cearbhaill in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 256816Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
16% fewer Medicare Part D claims than the average medical oncology physician in 2024
590 Medicare Part D claims for 96 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims. 44 claims were for opioids.
Most prescribed
- Levothyroxine Sodium40 claims
- Xarelto40 claims
- Ondansetron Hcl36 claims
- Dexamethasone34 claims
- Losartan Potassium30 claims
- Prednisolone Acetate26 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 79 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $7,774.67
10 payments; by number, the most common kind was food and beverage; the largest payer was Regeneron Pharmaceuticals, Inc. The 3,343 providers of this specialty with any payment received $11,773.47 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Memorial Developmental Chemo GroupNew York, NY
- Memorial Hematology Lymphoma GroupNew York, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Roisin Eilish O'Cearbhaill among 548 medical oncology physician records in New York
Roisin Eilish O'Cearbhaill, MB BCH is one of 548 medical oncology physician records with a practice address in New York. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 47% of them.
- NPI issued2008 · 47% of these records are older, 43% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2002 · median 2005 among the 389 with a school on file
- Record last updated2013 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RX0202X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Oncology Physician providers in New York
There are 548 medical oncology physician records in New York.
All 548 in New York → Every provider in New York → Medical Oncology Physician nationwide →
The 8 medical oncology physician records with the nearest ZIP codes
- Adam Bass, M.D.New York, NY 100651346304573
- Tessa Cigler, MDNew York, NY 100651184692964
- Daniel Danila, M.D.New York, NY 100651952460172
- Mrinal Gounder, M.D.New York, NY 100651376758821
- Rachel Grisham, M.D.New York, NY 100651528195971
- Philip Kantoff, MDNew York, NY 100651235107871
- Glenn Kroog, MDNew York, NY 100651689798969
- Sujana Movva, MDNew York, NY 100651932318110
Common questions
What is Roisin Eilish O'Cearbhaill, MB BCH's NPI number?
Roisin Eilish O'Cearbhaill, MB BCH's National Provider Identifier (NPI) is 1821241043, issued on Oct 31, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Roisin Eilish O'Cearbhaill, MB BCH located?
The NPPES record lists a practice address at 300 E 66TH St, New York, NY, 10065. Phone: (646) 888-4227. Providers update this record themselves, so call before visiting.
How can I verify Roisin Eilish O'Cearbhaill, MB BCH's license?
NPPES lists New York license number 256816, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Roisin Eilish O'Cearbhaill, MB BCH prescribe under Medicare Part D?
In 2024, Roisin Eilish O'Cearbhaill, MB BCH had 590 Medicare Part D claims for 96 beneficiaries; the average among medical oncology physician prescribers was 703. Part D covers Medicare prescriptions only.
What is Roisin Eilish O'Cearbhaill, MB BCH's MIPS final score?
The 2023 MIPS final score is 79 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.