Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Alan Hsieh, DO

Individual provider Internal Medicine Physician · NPI 1407600778

Alan Hsieh, DO is an Internal Medicine Physician in Santa Barbara, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2024
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

400 W Pueblo St
Santa Barbara, CA 93105-4353
Phone: (805) 682-7111
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 5450 (CA)

Record details

NPI number1407600778
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedApril 15, 2024
Last updated in NPPESOctober 5, 2026
Certification dateOctober 5, 2026

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