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

Dr. John David Cowsar Jr., DO

Individual provider Family Medicine Physician · NPI 1538150354

Dr. John David Cowsar Jr., DO is a Family Medicine Physician in Ft. Sam Houston, Texas. Licensed in Texas. Registered with an NPI since 2005.

Licensed in
TX
In the registry since
2005
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 Partly verified

Some contact details are missing from the federal record.

Family Medicine Clinic McWethy 2991 Garden Ave Bldg 1279
Ft. Sam Houston, TX 78234-6250
Phone: (210) 295-4908
Fax: (210) 295-4215
Show map & directions

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

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence F3867 (TX)

Record details

NPI number1538150354
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedNovember 1, 2005
Last updated in NPPESJuly 13, 2026