IndividualActive
Elizabeth Leftik, PSY.D.
NPI 1689727794 · Clinical Psychologist · Diablo, CA
Elizabeth Leftik, PSY.D. is a Clinical Psychologist provider in Diablo, CA (NPI 1689727794).
Provider details
- NPI number
- 1689727794
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PSY.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- PSY 20066 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
Po Box 436
Diablo, CA 94528-0436
Phone: (925) 314-6354
Approximate (ZIP-level) locationGet directions
Mailing address
Po Box 436
Diablo, CA 94528-0436
Registry dates
- Enumerated
- 2007-01-19
- Last updated
- 2026-01-06
- Certified
- 2026-01-06
Frequently asked questions
- What is Elizabeth Leftik's NPI number?
- Elizabeth Leftik's National Provider Identifier (NPI) is 1689727794, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Elizabeth Leftik's specialty?
- Elizabeth Leftik is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Elizabeth Leftik located?
- Elizabeth Leftik's practice location on file with NPPES is Po Box 436, Diablo, CA 94528-0436.
- What is Elizabeth Leftik's phone number?
- The practice phone number listed in the NPPES registry for Elizabeth Leftik is (925) 314-6354.
- Is Elizabeth Leftik's NPI active?
- Yes — Elizabeth Leftik's NPI (1689727794) is active in the NPPES registry as of the last update on 2026-01-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.