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

Sien Zhang

Individual provider Massage Therapist · NPI 1568348142

Sien Zhang is a Massage Therapist in Walnut Creek, California. Licensed in California. Registered with an NPI since 2025.

Licensed in
CA
In the registry since
2025
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Practice location PO Box

The provider listed a PO Box rather than a street location, so this is not a walk-in address.

PO Box 5408
Walnut Creek, CA 94596-1408
Phone: (925) 278-8745
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Massage Therapist (primary) Taxonomy 225700000X · Licence 89104 (CA)

Record details

NPI number1568348142
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedAugust 12, 2025
Last updated in NPPESAugust 12, 2025
Certification dateAugust 12, 2025
Mailing addressPo Box 5408, Walnut Creek, CA 94596-1408

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