Maureen McKiernan, MD
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · New York, NY
Maureen McKiernan, MD is a thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in New York, New York, and NPI 1255864369, issued on Apr 5, 2017. Check the license (New York 336148, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Maureen McKiernan
- Credential
- MD
- Primary taxonomy
- Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X
- License numbers
- 336148 NY
25MA12722600 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 3959 Broadway, New York, NY 10032
- Phone
- (212) 305-5437
- Enumerated
- Apr 5, 2017
- Record last updated
- Jan 5, 2026
- Medicare enrollment
- Enrolled (PECOS I20251215002989); accepts Medicare assignment
- Medical or professional school
- University Of Kansas School Of Med (Kc/Wich/Sal), 2017
- Entity
- Type 1 · individual
8 nearest thoracic surgery (cardiothoracic vascular surgery) physician records → All 446 in New York → Look up another NPI →
Also registered at 3959 Broadway
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Manar Abdalgani, MBBSAllergy & Immunology Physician1154671873
- Danielle Abraham, MDStudent in an Organized Health Care Education/Training Program1649111691
- Maria Cecilia Abreu GonzalezStudent in an Organized Health Care Education/Training Program1770423204
- Paris AcquaroStudent in an Organized Health Care Education/Training Program1194665828
- Linda AddonizioPediatric Cardiology Physician1639143779
- Mishuka AdhikaryPediatrics Physician1558762161
Verify Maureen McKiernan 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 336148Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through 2 group practices
- Barnabas Health Medical Group PCNewark, NJ
- Trustees OF Columbia University IN The City OF New YorkNew York, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Maureen McKiernan among 446 thoracic surgery (cardiothoracic vascular surgery) physician records in New York
Maureen McKiernan, MD is one of 446 thoracic surgery (cardiothoracic vascular surgery) physician records with a practice address in New York. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 84% of them.
- NPI issued2017 · 84% of these records are older, 12% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2017 · median 1999 among the 294 with a school on file
- Record last updated2026 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208G00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician providers in New York
There are 446 thoracic surgery (cardiothoracic vascular surgery) physician records in New York.
All 446 in New York → Every provider in New York → Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician nationwide →
The 8 thoracic surgery (cardiothoracic vascular surgery) physician records with the nearest ZIP codes
- Michael Argenziano, M.D.New York, NY 100321922042332
- Emile Bacha, MDNew York, NY 100321396856159
- Frank D'Ovidio, MDNew York, NY 100321225029143
- Arnar Geirsson, MDNew York, NY 100321306990916
- Isaac George, M.D.New York, NY 100321457430837
- Mark Ginsburg, MDNew York, NY 100321992702575
- Yoshifumi Naka, M.D.New York, NY 100321073554887
- Mehmet Oz, M.D.New York, NY 100321821039694
Common questions
What is Maureen McKiernan, MD's NPI number?
Maureen McKiernan, MD's National Provider Identifier (NPI) is 1255864369, issued on Apr 5, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Maureen McKiernan, MD located?
The NPPES record lists a practice address at 3959 Broadway, New York, NY, 10032. Phone: (212) 305-5437. Providers update this record themselves, so call before visiting.
How can I verify Maureen McKiernan, MD's license?
NPPES lists New York license number 336148, 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.
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.