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Simon Liang
NPI 1922522663 · Specialist · San Francisco, CA
Simon Liang is a Specialist provider in San Francisco, CA (NPI 1922522663).
Provider details
- NPI number
- 1922522663
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Other Service Providers
Profile Score
Established profile(63/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 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
1380 Howard St
San Francisco, CA 94103
Phone: (415) 255-3788
Street-level locationGet directions
Mailing address
1380 Howard St
San Francisco, CA 94103-2638
Registry dates
- Enumerated
- 2017-08-02
- Last updated
- 2017-08-02
Frequently asked questions
- What is Simon Liang's NPI number?
- Simon Liang's National Provider Identifier (NPI) is 1922522663, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Simon Liang's specialty?
- Simon Liang is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Simon Liang located?
- Simon Liang's practice location on file with NPPES is 1380 Howard St, San Francisco, CA 94103.
- What is Simon Liang's phone number?
- The practice phone number listed in the NPPES registry for Simon Liang is (415) 255-3788.
- Is Simon Liang's NPI active?
- Yes — Simon Liang's NPI (1922522663) is active in the NPPES registry as of the last update on 2017-08-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.