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

John Joseph Seidenfeld, MD

Individual provider Pulmonary Disease Physician · NPI 1336321686

John Joseph Seidenfeld, MD is a Pulmonary Disease Physician in San Antonio, Texas. Licensed in Texas. Registered with an NPI since 2007.

Licensed in
TX
In the registry since
2007
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

Suite 703 414 Navarro
San Antonio, TX 78205-2515
Phone: (210) 224-4811
Fax: (210) 224-8678
Show map & directions

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

Specialties & licences

Pulmonary Disease Physician (primary) Taxonomy 207RP1001X · Licence G6393 (TX)

Record details

NPI number1336321686
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 28, 2007
Last updated in NPPESFebruary 8, 2008

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