Kathryn Stewart, PHD
NPI 1639292139 · Clinical Child & Adolescent Psychologist · Walnut Creek, CA
Kathryn Stewart, PHD is a Clinical Child & Adolescent Psychologist provider in Walnut Creek, CA (NPI 1639292139).
Provider details
- NPI number
- 1639292139
- Entity type
- Individual
- Primary specialty
- Clinical Child & Adolescent PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Female
- Sole proprietor
- Yes
- License
- PSY11563 (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
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
Mailing address
Registry dates
- Enumerated
- 2007-04-09
- Last updated
- 2007-07-08
Frequently asked questions
- What is Kathryn Stewart's NPI number?
- Kathryn Stewart's National Provider Identifier (NPI) is 1639292139, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kathryn Stewart's specialty?
- Kathryn Stewart is listed in the NPPES registry with a primary specialty of Clinical Child & Adolescent Psychologist (Behavioral Health & Social Service Providers).
- Where is Kathryn Stewart located?
- Kathryn Stewart's practice location on file with NPPES is 3093 Citrus Cir, Walnut Creek, CA 94598-2687.
- What is Kathryn Stewart's phone number?
- The practice phone number listed in the NPPES registry for Kathryn Stewart is (925) 788-1258.
- Is Kathryn Stewart's NPI active?
- Yes — Kathryn Stewart's NPI (1639292139) 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.