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

Dr. John McMahon, DO

Individual provider Emergency Medicine Physician · NPI 1780842898

Dr. John McMahon, DO is an Emergency Medicine Physician in Philadelphia, Pennsylvania. Practices as a sole proprietor and works from 3 locations. Licensed in Pennsylvania.

Licensed in
PA
In the registry since
2008
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

3998 Red Lion Rd
Philadelphia, PA 19114-1436
Phone: (215) 612-4963
Show map & directions

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

Additional practice locations (2)

  • 2966 Street Rd, Bensalem, PA 19020-2604 — (215) 638-0666
  • 2451 Grant Ave, Philadelphia, PA 19114-1031 — (215) 934-3471

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence OS015565 (PA)

Record details

NPI number1780842898
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedMay 26, 2008
Last updated in NPPESJuly 18, 2019

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