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Olga Castillo, PSY.D.
NPI 1801939731 · Clinical Psychologist · Claremont, CA
Olga Castillo, PSY.D. is a Clinical Psychologist provider in Claremont, CA (NPI 1801939731).
Provider details
- NPI number
- 1801939731
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PSY.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- PSY21924 (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
250 W 1st St Ste 312
Claremont, CA 91711-4740
Phone: (562) 904-3999
Street-level locationGet directions
Mailing address
743 Lander Cir
Claremont, CA 91711-6215
Registry dates
- Enumerated
- 2007-02-14
- Last updated
- 2020-04-29
- Certified
- 2020-04-29
Frequently asked questions
- What is Olga Castillo's NPI number?
- Olga Castillo's National Provider Identifier (NPI) is 1801939731, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Olga Castillo's specialty?
- Olga Castillo is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Olga Castillo located?
- Olga Castillo's practice location on file with NPPES is 250 W 1st St Ste 312, Claremont, CA 91711-4740.
- What is Olga Castillo's phone number?
- The practice phone number listed in the NPPES registry for Olga Castillo is (562) 904-3999.
- Is Olga Castillo's NPI active?
- Yes — Olga Castillo's NPI (1801939731) is active in the NPPES registry as of the last update on 2020-04-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.