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

John Montague McCarthy, MD

Individual provider Emergency Medicine Physician · NPI 1205400363

John Montague McCarthy, MD is an Emergency Medicine Physician in Houston, Texas. Practices as a sole proprietor. Licensed in Texas.

Licensed in
TX
In the registry since
2021
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

6431 Fannin St Ste Jjl 2706
Houston, TX 77030-1501
Phone: (713) 500-7878
Fax: (713) 500-0758
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 U8393 (TX)

Record details

NPI number1205400363
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 13, 2021
Last updated in NPPESMay 1, 2024
Certification dateMay 1, 2024

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