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

Mark Porter, MD

Individual provider Pediatrics Physician · NPI 1871970301

Mark Porter, MD is a Pediatrics Physician in San Antonio, Texas. Works from 3 locations. Licensed in Maryland and Texas.

Licensed in
MD, TX
In the registry since
2015
Specialties on file
3
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

315 N San Saba Ste 1135
San Antonio, TX 78207-3255
Phone: (210) 704-3030
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 200 N Wolfe St, Baltimore, MD 21287-0011 — (410) 955-6463
  • 333 N Santa Rosa, San Antonio, TX 78207-3108 — (210) 704-4708

Specialties & licences

Pediatric Endocrinology Physician (primary) Taxonomy 2080P0205X · Licence T1812 (TX)
Pediatrics Physician Taxonomy 208000000X · Licence T1812 (TX)
Pediatric Endocrinology Physician Taxonomy 2080P0205X · Licence D86004 (MD)

Record details

NPI number1871970301
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 5, 2015
Last updated in NPPESNovember 14, 2023
Certification dateNovember 14, 2023

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