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

Dr. John Martin McMahon Jr., MD

Individual provider Emergency Medicine Physician · NPI 1639126741

Dr. John Martin McMahon Jr., MD is an Emergency Medicine Physician in Mobile, Alabama. Licensed in Alabama. Registered with an NPI since 2006.

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

See every abbreviation used in this directory →

Practice location Address checks out

3719 Dauphin St
Mobile, AL 36608-1753
Phone: (251) 460-5333
Fax: (251) 460-5295
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 13833 (AL)

Record details

NPI number1639126741
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 27, 2006
Last updated in NPPESOctober 13, 2010

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