Linda Williams, PHD
NPI 1336405117 · Clinical Psychologist · San Diego, CA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Linda Williams, PHD is a Clinical Psychologist provider in San Diego, CA (NPI 1336405117).
Provider details
- NPI number
- 1336405117
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Female
- Sole proprietor
- Yes
- License
- PSY24869 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 158 C AvenueCoronado, CA 92118-1420Phone: (619) 435-5400Fax: (619) 435-5401
Registry dates
- Enumerated
- 2012-04-06
- Last updated
- 2020-12-02
- Certified
- 2020-12-02
Frequently asked questions
- What is Linda Williams's NPI number?
- Linda Williams's National Provider Identifier (NPI) is 1336405117, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Linda Williams's specialty?
- Linda Williams is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Linda Williams located?
- Linda Williams's practice location on file with NPPES is 3525 Del Mar Heights Rd # 1881, San Diego, CA 92130-2199.
- What is Linda Williams's phone number?
- The practice phone number listed in the NPPES registry for Linda Williams is (858) 381-3535.
- Does Linda Williams accept Medicare?
- Linda Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Linda Williams's NPI active?
- Yes — Linda Williams's NPI (1336405117) is active in the NPPES registry as of the last update on 2020-12-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.