NPPES file of Aug 9, 2026

Brian Joseph McMahon, MD

Emergency Medicine Physician · Patchogue, NY

Brian Joseph McMahon, MD is an emergency medicine physician with a practice address in Patchogue, New York, and NPI 1801839550, issued on Jun 13, 2006. Check the license (New York 224721, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1801839550
Name
Brian Joseph McMahon
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
224721 NY
Self-reported in NPPES; status is on the state search
Practice location
101 Hospital RD, Patchogue, NY 11772
Phone
(631) 687-2953
Enumerated
Jun 13, 2006
Record last updated
Jul 13, 2026
Fax
(610) 617-6280
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 101 Hospital RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Omar Abu-Jaradeh, MDInternal Medicine Physician1740846120
  2. Sohaib Agha, DOStudent in an Organized Health Care Education/Training Program1770372088
  3. Hamid Alam, MDDiagnostic Radiology Physician1285659649
  4. Michael Alex, PAMedical Physician Assistant1285205260
  5. Nina Alexandrova, MDInternal Medicine Physician1962466250
  6. Natalia AneirosPhysician Assistant1437967866

Verify Brian Joseph McMahon in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
    Search for license 224721
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the New York license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

85% fewer Medicare Part D claims than the average emergency medicine physician in 2024

34 Medicare Part D claims for 28 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.

  1. Brian McMahon34
  2. Specialty average226

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.

Industry payments in 2024: $331.06

10 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Brian McMahon$331.06
  2. Specialty average$953.79

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

22 emergency medicine physician records list a practice address in Patchogue

They are 22 of the 987 NPPES records with a practice address in Patchogue, and 5,025 emergency medicine physician records in New York.

Other emergency medicine physician records in New York

  1. Matthew Abad, D.O.Bronx, NY1629490693
  2. Theophine Abakporo, M.D.Brooklyn, NY1972564813
  3. Nabil AbazaidNew York, NY1578025979
  4. Ethan Abbott, DOBronx, NY1619252202
  5. Frederick Abbuhl, MDAlbany, NY1831138882
  6. Minako Abe, MDNew York, NY1578635249
  7. Benjamin Abella, MDNew York, NY1568560746
  8. Gilbert Abou Dagher, M.DNew York, NY1275743700
  9. Gallane Abraham, MDBronx, NY1275859696
  10. Joel Abraham, D.O.New Hyde Park, NY1578815437

Common questions

What is Brian Joseph McMahon, MD's NPI number?

Brian Joseph McMahon, MD's National Provider Identifier (NPI) is 1801839550, issued on Jun 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Brian Joseph McMahon, MD located?

The NPPES record lists a practice address at 101 Hospital RD, Patchogue, NY, 11772. Phone: (631) 687-2953. Providers update this record themselves, so call before visiting.

How can I verify Brian Joseph McMahon, MD's license?

NPPES lists New York license number 224721, 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 Brian Joseph McMahon, MD prescribe under Medicare Part D?

In 2024, Brian Joseph McMahon, MD had 34 Medicare Part D claims for 28 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.