IndividualActive
Dianne Castillano
NPI 1831683275 · Psychologist · Daly City, CA
Dianne Castillano is a Psychologist provider in Daly City, CA (NPI 1831683275).
Provider details
- NPI number
- 1831683275
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 180103572 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(68/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 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
700 Stewart Ave
Daly City, CA 94015-3519
Phone: (650) 746-2701
Street-level locationGet directions
Mailing address
700 Stewart Ave
Daly City, CA 94015-3519
Registry dates
- Enumerated
- 2018-06-19
- Last updated
- 2018-06-19
Frequently asked questions
- What is Dianne Castillano's NPI number?
- Dianne Castillano's National Provider Identifier (NPI) is 1831683275, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dianne Castillano's specialty?
- Dianne Castillano is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Dianne Castillano located?
- Dianne Castillano's practice location on file with NPPES is 700 Stewart Ave, Daly City, CA 94015-3519.
- What is Dianne Castillano's phone number?
- The practice phone number listed in the NPPES registry for Dianne Castillano is (650) 746-2701.
- Is Dianne Castillano's NPI active?
- Yes — Dianne Castillano's NPI (1831683275) is active in the NPPES registry as of the last update on 2018-06-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.