IndividualActive
Lydia Ruark, PH.D.
NPI 1992103899 · Psychologist · Los Angeles, CA
Lydia Ruark, PH.D. is a Psychologist provider in Los Angeles, CA (NPI 1992103899).
Provider details
- NPI number
- 1992103899
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- PSY10329 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(74/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 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
3020 Castle Heights Ave
Los Angeles, CA 90034-2753
Phone: (310) 837-7979
Street-level locationGet directions
Mailing address
9854 National Blvd Ste 372
Los Angeles, CA 90034-2713
Registry dates
- Enumerated
- 2014-12-09
- Last updated
- 2014-12-09
Frequently asked questions
- What is Lydia Ruark's NPI number?
- Lydia Ruark's National Provider Identifier (NPI) is 1992103899, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lydia Ruark's specialty?
- Lydia Ruark is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Lydia Ruark located?
- Lydia Ruark's practice location on file with NPPES is 3020 Castle Heights Ave, Los Angeles, CA 90034-2753.
- What is Lydia Ruark's phone number?
- The practice phone number listed in the NPPES registry for Lydia Ruark is (310) 837-7979.
- Is Lydia Ruark's NPI active?
- Yes — Lydia Ruark's NPI (1992103899) is active in the NPPES registry as of the last update on 2014-12-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.