Zarian Williamson, PA-C
NPI 1245172089 · Physician Assistant · Claremont, CA
Zarian Williamson, PA-C is a Physician Assistant provider in Claremont, CA (NPI 1245172089).
Provider details
- NPI number
- 1245172089
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
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
- 2026-04-09
- Last updated
- 2026-04-09
- Certified
- 2026-04-09
Frequently asked questions
- What is Zarian Williamson's NPI number?
- Zarian Williamson's National Provider Identifier (NPI) is 1245172089, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Zarian Williamson's specialty?
- Zarian Williamson is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Zarian Williamson located?
- Zarian Williamson's practice location on file with NPPES is 535 Watson Dr, Claremont, CA 91711-4817.
- What is Zarian Williamson's phone number?
- The practice phone number listed in the NPPES registry for Zarian Williamson is (909) 607-7855.
- Is Zarian Williamson's NPI active?
- Yes — Zarian Williamson's NPI (1245172089) is active in the NPPES registry as of the last update on 2026-04-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.