Sien Zhang
NPI 1568348142 · Massage Therapist · Walnut Creek, CA
Sien Zhang is a Massage Therapist provider in Walnut Creek, CA (NPI 1568348142).
Provider details
- NPI number
- 1568348142
- Entity type
- Individual
- Primary specialty
- Massage TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 89104 (CA)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2025-08-12
- Last updated
- 2025-08-12
- Certified
- 2025-08-12
Frequently asked questions
- What is Sien Zhang's NPI number?
- Sien Zhang's National Provider Identifier (NPI) is 1568348142, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sien Zhang's specialty?
- Sien Zhang is listed in the NPPES registry with a primary specialty of Massage Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Sien Zhang located?
- Sien Zhang's practice location on file with NPPES is Po Box 5408, Walnut Creek, CA 94596-1408.
- What is Sien Zhang's phone number?
- The practice phone number listed in the NPPES registry for Sien Zhang is (925) 278-8745.
- Is Sien Zhang's NPI active?
- Yes — Sien Zhang's NPI (1568348142) is active in the NPPES registry as of the last update on 2025-08-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.