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Allan Leung, PHD
NPI 1558425413 · Clinical Psychologist · Walnut Creek, CA
Allan Leung, PHD is a Clinical Psychologist provider in Walnut Creek, CA (NPI 1558425413).
Provider details
- NPI number
- 1558425413
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Male
- Sole proprietor
- No
- License
- PSY 12677 (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
710 S Broadway
Kaiser Mental Health Department
Walnut Creek, CA 94596-5294
Phone: (925) 295-6013
Fax: (925) 295-5226
Street-level locationGet directions
Mailing address
1425 S Main St
Walnut Creek, CA 94596-5318
Registry dates
- Enumerated
- 2006-12-21
- Last updated
- 2007-07-08
Frequently asked questions
- What is Allan Leung's NPI number?
- Allan Leung's National Provider Identifier (NPI) is 1558425413, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Allan Leung's specialty?
- Allan Leung is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Allan Leung located?
- Allan Leung's practice location on file with NPPES is 710 S Broadway, Walnut Creek, CA 94596-5294.
- What is Allan Leung's phone number?
- The practice phone number listed in the NPPES registry for Allan Leung is (925) 295-6013.
- Is Allan Leung's NPI active?
- Yes — Allan Leung's NPI (1558425413) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.