Dianne Sundby, PH.D.
NPI 1215315478 · Clinical Psychologist · Los Angeles, CA
Dianne Sundby, PH.D. is a Clinical Psychologist provider in Los Angeles, CA (NPI 1215315478).
Provider details
- NPI number
- 1215315478
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- PSY4162 (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
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
Mailing address
Registry dates
- Enumerated
- 2015-05-08
- Last updated
- 2015-05-08
Frequently asked questions
- What is Dianne Sundby's NPI number?
- Dianne Sundby's National Provider Identifier (NPI) is 1215315478, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dianne Sundby's specialty?
- Dianne Sundby is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Dianne Sundby located?
- Dianne Sundby's practice location on file with NPPES is 9229 W. Sunset Blvd., Los Angeles, CA 90069-3405.
- What is Dianne Sundby's phone number?
- The practice phone number listed in the NPPES registry for Dianne Sundby is (310) 274-3423.
- Is Dianne Sundby's NPI active?
- Yes — Dianne Sundby's NPI (1215315478) is active in the NPPES registry as of the last update on 2015-05-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.