Niamh Marie Keegan, MB BCH BAO
Hematology & Oncology Physician · New York, NY
Niamh Marie Keegan, MB BCH BAO is a hematology & oncology physician with a practice address in New York, New York, and NPI 1811487127, issued on May 11, 2018. Check the license (New York 307947, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Niamh Marie Keegan
- Credential
- MB BCH BAO
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 307947 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1275 York Ave, New York, NY 10065
- Phone
- (212) 639-5809
- Enumerated
- May 11, 2018
- Record last updated
- Mar 20, 2023
- Fax
- (929) 321-7170
- Medicare enrollment
- Enrolled (PECOS I20221114000403); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 1,163 in New York → Look up another NPI →
Also registered at 1275 York Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nivedita Aanur, M.D.Internal Medicine Physician1982833471
- Amy Aaronson, AC-PNP, RNCritical Care Pediatric Nurse Practitioner1407323504
- Michelle Abboud, N.P.Acute Care Nurse Practitioner1730596008
- Gina Abdulahad, PA-CPhysician Assistant1174027064
- Wassim Abida, MD, PHDHematology & Oncology Physician1518101096
- Lincy Abraham, NPPediatric Nurse Practitioner1295003739
Verify Niamh Marie Keegan 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 307947Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
23% more Medicare Part D claims than the average hematology & oncology physician in 2024
1,078 Medicare Part D claims for 170 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims. 42 claims were for opioids.
Most prescribed
- Abiraterone Acetate256 claims
- Prednisone246 claims
- Nubeqa62 claims
- Xtandi49 claims
- Tamsulosin Hcl41 claims
- Orgovyx30 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): 93.5 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).
Bills Medicare through 2 group practices
- Msk HarrisonWest Harrison, NY
- Msk NassauUniondale, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Niamh Marie Keegan among 1,163 hematology & oncology physician records in New York
Niamh Marie Keegan, MB BCH BAO is one of 1,163 hematology & oncology physician records with a practice address in New York. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 89% of them.
- NPI issued2018 · 89% of these records are older, 8% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2010 · median 2002 among the 833 with a school on file
- Record last updated2023 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in New York
There are 1,163 hematology & oncology physician records in New York.
All 1,163 in New York → Every provider in New York → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Massimo Cristofanilli, M.D.New York, NY 100651891880563
- James Fetten, M.D.New York, NY 100651811966435
- Richard Geltman, MDNew York, NY 100651659362242
- Sergio Giralt, M.D.New York, NY 100651639278880
- Ross Levine, MDNew York, NY 100651225011091
- Raymond Pastore, M.D.New York, NY 100651124027487
- Jacob Rand, MDNew York, NY 100651164531828
- Charles Rudin, M.D., PH.D.New York, NY 100651467483404
Common questions
What is Niamh Marie Keegan, MB BCH BAO's NPI number?
Niamh Marie Keegan, MB BCH BAO's National Provider Identifier (NPI) is 1811487127, issued on May 11, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Niamh Marie Keegan, MB BCH BAO located?
The NPPES record lists a practice address at 1275 York Ave, New York, NY, 10065. Phone: (212) 639-5809. Providers update this record themselves, so call before visiting.
How can I verify Niamh Marie Keegan, MB BCH BAO's license?
NPPES lists New York license number 307947, 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 Niamh Marie Keegan, MB BCH BAO prescribe under Medicare Part D?
In 2024, Niamh Marie Keegan, MB BCH BAO had 1,078 Medicare Part D claims for 170 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Niamh Marie Keegan, MB BCH BAO's MIPS final score?
The 2023 MIPS final score is 93.5 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.