Ruby Hsu
NPI 1013445667 · Family Nurse Practitioner · San Francisco, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ruby Hsu is a Family Nurse Practitioner provider in San Francisco, CA (NPI 1013445667).
Provider details
- NPI number
- 1013445667
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 95005942 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing 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
- 2017-05-26
- Last updated
- 2017-05-26
Frequently asked questions
- What is Ruby Hsu's NPI number?
- Ruby Hsu's National Provider Identifier (NPI) is 1013445667, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ruby Hsu's specialty?
- Ruby Hsu is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Ruby Hsu located?
- Ruby Hsu's practice location on file with NPPES is 450 Stanyan St Fl 6, San Francisco, CA 94117-1019.
- What is Ruby Hsu's phone number?
- The practice phone number listed in the NPPES registry for Ruby Hsu is (415) 680-4135.
- Does Ruby Hsu accept Medicare?
- Ruby Hsu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ruby Hsu's NPI active?
- Yes — Ruby Hsu's NPI (1013445667) is active in the NPPES registry as of the last update on 2017-05-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.