Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Brian Joseph McMahon, MD

Individual provider Emergency Medicine Physician · NPI 1801839550

Brian Joseph McMahon, MD is an Emergency Medicine Physician in Patchogue, New York. Licensed in New York. Registered with an NPI since 2006.

Licensed in
NY
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

101 Hospital Rd
Patchogue, NY 11772
Phone: (631) 687-2953
Fax: (610) 617-6280
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 224721 (NY)

Record details

NPI number1801839550
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 13, 2006
Last updated in NPPESJuly 13, 2026
Mailing addressPo Box 13700-1378, Philadelphia, PA 19191-1378

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