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

Sean I-Hsin Tsai, DO

Individual provider Neuromusculoskeletal Medicine & OMM Physician · NPI 1932130697

Sean I-Hsin Tsai, DO is a Family Practice in South Pasadena, California. Qualified in 2000, 26 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in California.

Years since qualifying
26
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.

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Practice location Address checks out

1108 Fremont Ave
South Pasadena, CA 91030-3227
Phone: (626) 793-0660
Fax: (626) 793-0660
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 20A7930 (CA)
Neuromusculoskeletal Medicine & OMM Physician Taxonomy 204D00000X · Licence 20A7930 (CA)

Record details

NPI number1932130697
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedJuly 5, 2006
Last updated in NPPESJanuary 2, 2026
Certification dateJanuary 2, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyFAMILY PRACTICE
Medical schoolOTHER
Graduated 2000 (26 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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