NPPES file of Aug 9, 2026

Radhika Katyal-Castillo, PSY.D.

Clinical Psychologist · Chula Vista, CA

Radhika Katyal-Castillo, PSY.D. is a clinical psychologist with a practice address in Chula Vista, California, and NPI 1306089164, issued on Apr 9, 2009. Check the license (California PSY26138, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1306089164
Name
Radhika Katyal-Castillo
Credential
PSY.D.
Primary taxonomy
Clinical Psychologist 103TC0700X
License number
PSY26138 CA
Self-reported in NPPES; status is on the state search
Practice location
835 3RD Ave Ste C, Chula Vista, CA 91911
Phone
(619) 427-4661
Enumerated
Apr 9, 2009
Record last updated
Jul 9, 2026
Medicare enrollment
Enrolled (PECOS I20140804002110); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest clinical psychologist records → All 12,647 in California → Look up another NPI →

Also registered at 835 3RD Ave Ste C

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Danielle BaderAddiction (Substance Use Disorder) Counselor1649676057
  2. Rosalinda Barba, MASTERSMental Health Counselor1215092952
  3. Judith BustosMental Health Counselor1952628448
  4. Kelsey Campion, B.C.C., LADC, RRWMental Health Counselor1407183718
  5. Dalia CenicerosLicensed Vocational Nurse1700381811
  6. Gricelda Cuevas-Ruiz, B.A.Case Manager/Care Coordinator1235473042

Verify Radhika Katyal-Castillo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license PSY26138    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Access Psychology Services PCFresno, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Radhika Katyal-Castillo among 12,647 clinical psychologist records in California

Radhika Katyal-Castillo, PSY.D. is one of 12,647 clinical psychologist records with a practice address in California. 9% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 49% of them.

  • NPI issued2009 · 49% of these records are older, 46% newer
  • In a Medicare fileYes · 9% of these records are
  • In the CMS Doctors and Clinicians fileYes · 19% of these records are
  • Graduated2012 · median 2006 among the 2,424 with a school on file
  • Record last updated2026 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103TC0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Clinical Psychologist providers in California

There are 12,647 clinical psychologist records in California.

All 12,647 in California → Every provider in Chula Vista → Clinical Psychologist nationwide →

The 8 clinical psychologist records with the nearest ZIP codes

  1. Lloyd Beckwith, PH.D.Chula Vista, CA 919111215003538
  2. Matthew Berlin, PSY.D.Chula Vista, CA 919111538207634
  3. Andrew Cooper, PH.D.Chula Vista, CA 919111003039843
  4. Carmen De Llano, PH.D.Chula Vista, CA 919111992752406
  5. Jennifer Giovacchini, MSChula Vista, CA 919111275852428
  6. Marion Kwoba, PHDChula Vista, CA 919111730869744
  7. Don Miller, PHDChula Vista, CA 919111124068010
  8. Brenton Roman, PSY.D.Chula Vista, CA 919111669947792

Common questions

What is Radhika Katyal-Castillo, PSY.D.'s NPI number?

Radhika Katyal-Castillo, PSY.D.'s National Provider Identifier (NPI) is 1306089164, issued on Apr 9, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Radhika Katyal-Castillo, PSY.D. located?

The NPPES record lists a practice address at 835 3RD Ave Ste C, Chula Vista, CA, 91911. Phone: (619) 427-4661. Providers update this record themselves, so call before visiting.

How can I verify Radhika Katyal-Castillo, PSY.D.'s license?

NPPES lists California license number PSY26138, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.