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

James J Trietsch, DO

Individual provider Hospitalist Physician · NPI 1285747253

James J Trietsch, DO is a Hospitalist Physician in Palo Alto, California. Works from 2 locations. Licensed in California.

Licensed in
CA
In the registry since
2006
Specialties on file
2
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 Address checks out

725 Welch Rd
Palo Alto, CA 94304-1601
Phone: (650) 497-8000
Show map & directions

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

Additional practice locations (1)

  • 770 Welch Rd, Palo Alto, CA 94304-1511 — (650) 723-8292

Specialties & licences

Pediatrics Physician (primary) Taxonomy 208000000X · Licence 20A7000 (CA)
Hospitalist Physician Taxonomy 208M00000X · Licence 20A7000 (CA)

Record details

NPI number1285747253
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedAugust 16, 2006
Last updated in NPPESApril 28, 2024
Certification dateApril 28, 2024

Other providers in Palo Alto