IndividualActive
Sylvia Zhang
NPI 1598034423 · Specialist · San Francisco, CA
Sylvia Zhang is a Specialist provider in San Francisco, CA (NPI 1598034423).
Provider details
- NPI number
- 1598034423
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Other Service Providers
Profile Score
Established profile(74/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 yrs in NPPES registry
- Profile completeness38% of score
83% 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
1650 Mission St Fl 5
San Francisco, CA 94103-2479
Phone: (415) 355-3646
Street-level locationGet directions
Mailing address
517 Holloway Ave
San Francisco, CA 94112-2249
Registry dates
- Enumerated
- 2011-12-21
- Last updated
- 2011-12-21
Frequently asked questions
- What is Sylvia Zhang's NPI number?
- Sylvia Zhang's National Provider Identifier (NPI) is 1598034423, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sylvia Zhang's specialty?
- Sylvia Zhang is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Sylvia Zhang located?
- Sylvia Zhang's practice location on file with NPPES is 1650 Mission St Fl 5, San Francisco, CA 94103-2479.
- What is Sylvia Zhang's phone number?
- The practice phone number listed in the NPPES registry for Sylvia Zhang is (415) 355-3646.
- Is Sylvia Zhang's NPI active?
- Yes — Sylvia Zhang's NPI (1598034423) is active in the NPPES registry as of the last update on 2011-12-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.