Mark Gregory McKenna, MD
Emergency Medicine Physician · Brooklyn, NY
Mark Gregory McKenna, MD is an emergency medicine physician with a practice address in Brooklyn, New York, and NPI 1548904402, issued on Apr 26, 2022. Check the license on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Mark Gregory McKenna
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- ME174675 FL
Self-reported in NPPES; status is on the state search - Practice location
- 506 6TH St, Brooklyn, NY 11215
- Phone
- (718) 780-3000
- Enumerated
- Apr 26, 2022
- Record last updated
- Jun 17, 2025
- Medicare enrollment
- Enrolled (PECOS I20250625000659); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 5,025 in New York → Look up another NPI →
Also registered at 506 6TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jacob Abraham, MDStudent in an Organized Health Care Education/Training Program1043009665
- Maria Abraham, M.D.Pediatrics Physician1184039463
- Alexander Abramov, PA-CPhysician Assistant1487339511
- Eric Abrams, M.D.Emergency Medicine Physician1851737340
Verify Mark Gregory McKenna in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the ProfessionsCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
56% fewer Medicare Part D claims than the average emergency medicine physician in 2024
100 Medicare Part D claims for 78 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
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.
Bills Medicare through one group practice
- Sterling Emergency Services OF Miami Beach PAMiami, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Gregory McKenna among 5,025 emergency medicine physician records in New York
Mark Gregory McKenna, MD is one of 5,025 emergency medicine physician records with a practice address in New York. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 93% of them.
- NPI issued2022 · 93% of these records are older, 3% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2022 · median 2013 among the 3,232 with a school on file
- Record last updated2025 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
719 emergency medicine physician records list a practice address in Brooklyn
They are 719 of the 64,057 NPPES records with a practice address in Brooklyn, and 5,025 emergency medicine physician records in New York.
All 5,025 in New York → Every provider in Brooklyn → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Robert Birkhahn, MDBrooklyn, NY 112151366497455
- Joseph Bove, MDBrooklyn, NY 112151679528624
- Michael Cabezon, MDBrooklyn, NY 112151306893367
- Mahmoud Eid, MDBrooklyn, NY 112151508968561
- Theodore Gaeta, DOBrooklyn, NY 112151932142213
- Amy Lazarides, MDBrooklyn, NY 112151538116546
- Paul Leo, MDBrooklyn, NY 112151740226422
- Olivia Lopez, MDBrooklyn, NY 112151780624866
Common questions
What is Mark Gregory McKenna, MD's NPI number?
Mark Gregory McKenna, MD's National Provider Identifier (NPI) is 1548904402, issued on Apr 26, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Mark Gregory McKenna, MD located?
The NPPES record lists a practice address at 506 6TH St, Brooklyn, NY, 11215. Phone: (718) 780-3000. Providers update this record themselves, so call before visiting.
How can I verify Mark Gregory McKenna, MD's license?
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 Mark Gregory McKenna, MD prescribe under Medicare Part D?
In 2024, Mark Gregory McKenna, MD had 100 Medicare Part D claims for 78 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
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.