Quennisha Williamson
NPI 1811858293 · Medical Physician Assistant · South Gate, CA
Quennisha Williamson is a Medical Physician Assistant provider in South Gate, CA (NPI 1811858293).
Provider details
- NPI number
- 1811858293
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- Yes
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
Under 1 yr in 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
Mailing address
Registry dates
- Enumerated
- 2025-11-24
- Last updated
- 2025-11-24
- Certified
- 2025-11-24
Frequently asked questions
- What is Quennisha Williamson's NPI number?
- Quennisha Williamson's National Provider Identifier (NPI) is 1811858293, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Quennisha Williamson's specialty?
- Quennisha Williamson is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Quennisha Williamson located?
- Quennisha Williamson's practice location on file with NPPES is 8921 California Ave, South Gate, CA 90280-3013.
- What is Quennisha Williamson's phone number?
- The practice phone number listed in the NPPES registry for Quennisha Williamson is (323) 487-5002.
- Is Quennisha Williamson's NPI active?
- Yes — Quennisha Williamson's NPI (1811858293) is active in the NPPES registry as of the last update on 2025-11-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.