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

Dr. Joseph Chien, DO

Individual provider Psychiatry Physician · NPI 1528267325

Dr. Joseph Chien, DO is a Psychiatry Physician in Sylmar, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2007
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

14445 Olive View Dr Rm 6B119-H
Sylmar, CA 91342-1437
Phone: (818) 364-3031
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence 20A10679 (CA)

Record details

NPI number1528267325
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedJuly 12, 2007
Last updated in NPPESJanuary 28, 2011
Mailing address14445 Olive View Dr Rm 6b119-H, Sylmar, CA 91342-1437

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