Joan Williams, RCP
NPI 1023529617 · Registered Respiratory Therapist · Torrance, CA
Joan Williams, RCP is a Registered Respiratory Therapist provider in Torrance, CA (NPI 1023529617).
Provider details
- NPI number
- 1023529617
- Entity type
- Individual
- Primary specialty
- Registered Respiratory TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- RCP
- Sex
- Female
- Sole proprietor
- Yes
- License
- RCP16314 (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
8 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
- 2017-10-23
- Last updated
- 2017-10-23
Frequently asked questions
- What is Joan Williams's NPI number?
- Joan Williams's National Provider Identifier (NPI) is 1023529617, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joan Williams's specialty?
- Joan Williams is listed in the NPPES registry with a primary specialty of Registered Respiratory Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Joan Williams located?
- Joan Williams's practice location on file with NPPES is 1000 W Carson St, Torrance, CA 90502-2004.
- What is Joan Williams's phone number?
- The practice phone number listed in the NPPES registry for Joan Williams is (310) 222-3728.
- Is Joan Williams's NPI active?
- Yes — Joan Williams's NPI (1023529617) is active in the NPPES registry as of the last update on 2017-10-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.