Ruby Liang, P.T.
NPI 1891147054 · Physical Therapist · San Francisco, CA
Ruby Liang, P.T. is a Physical Therapist provider in San Francisco, CA (NPI 1891147054).
Provider details
- NPI number
- 1891147054
- Entity type
- Individual
- Primary specialty
- Physical TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- P.T.
- Sex
- Female
- Sole proprietor
- No
- License
- 148301 (NY)
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
9 yrs in NPPES 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
- 2016-07-12
- Last updated
- 2016-07-12
Frequently asked questions
- What is Ruby Liang's NPI number?
- Ruby Liang's National Provider Identifier (NPI) is 1891147054, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ruby Liang's specialty?
- Ruby Liang is listed in the NPPES registry with a primary specialty of Physical Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Ruby Liang located?
- Ruby Liang's practice location on file with NPPES is 44 Madrone Ave, San Francisco, CA 94127-1122.
- What is Ruby Liang's phone number?
- The practice phone number listed in the NPPES registry for Ruby Liang is (917) 892-8043.
- Is Ruby Liang's NPI active?
- Yes — Ruby Liang's NPI (1891147054) is active in the NPPES registry as of the last update on 2016-07-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.