Hajar Williams, RRT
NPI 1457824476 · Registered Respiratory Therapist · Oakland, CA
Hajar Williams, RRT is a Registered Respiratory Therapist provider in Oakland, CA (NPI 1457824476).
Provider details
- NPI number
- 1457824476
- Entity type
- Individual
- Primary specialty
- Registered Respiratory TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- RRT
- Sex
- Female
- Sole proprietor
- No
- License
- 25240 (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
7 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
- 2019-01-03
- Last updated
- 2021-12-30
Frequently asked questions
- What is Hajar Williams's NPI number?
- Hajar Williams's National Provider Identifier (NPI) is 1457824476, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hajar Williams's specialty?
- Hajar Williams is listed in the NPPES registry with a primary specialty of Registered Respiratory Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Hajar Williams located?
- Hajar Williams's practice location on file with NPPES is 3600 Broadway, Oakland, CA 94611-5730.
- What is Hajar Williams's phone number?
- The practice phone number listed in the NPPES registry for Hajar Williams is (510) 752-6284.
- Is Hajar Williams's NPI active?
- Yes — Hajar Williams's NPI (1457824476) is active in the NPPES registry as of the last update on 2021-12-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.