NPPES file of Aug 9, 2026

Katrina Biagan Castro, M.S.CCC-SLP

Speech-Language Pathologist · Santa Ana, CA

Katrina Biagan Castro, M.S.CCC-SLP is a speech-language pathologist with a practice address in Santa Ana, California, and NPI 1275921686, issued on Jan 7, 2015. Check the license (California SP22190, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1275921686
Name
Katrina Biagan Castro
Credential
M.S.CCC-SLP
Primary taxonomy
Speech-Language Pathologist 235Z00000X
License number
SP22190 CA
Self-reported in NPPES; status is on the state search
Practice location
1030 W Warner Ave, Santa Ana, CA 92707
Phone
(714) 546-6450
Enumerated
Jan 7, 2015
Record last updated
Jan 7, 2015 (not updated in 11 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest speech-language pathologist records → All 13,141 in California → Look up another NPI →

Also registered at 1030 W Warner Ave

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

  1. Nayely AguilarClinical Social Worker1598373904
  2. Darlene Amaya-McDonald, LVNLicensed Vocational Nurse1346349263
  3. Indalicia Bargas, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1285589358
  4. Luis Barrera, RNRegistered Nurse1588207161
  5. Nancy Bertoli, RNMental Health Counselor1619135357
  6. Shiv BhaktaPhysical Therapist1437910957

Verify Katrina Biagan Castro 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 SP22190    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

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Katrina Biagan Castro among 13,141 speech-language pathologist records in California

Katrina Biagan Castro, M.S.CCC-SLP is one of 13,141 speech-language pathologist records with a practice address in California. 3% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2015, is newer than 28% of them.

  • NPI issued2015 · 28% of these records are older, 68% newer
  • In a Medicare fileNo · 3% of these records are
  • In the CMS Doctors and Clinicians fileNo · 4% of these records are
  • Record last updated2015 · 46% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 235Z00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

110 speech-language pathologist records list a practice address in Santa Ana

They are 110 of the 8,904 NPPES records with a practice address in Santa Ana, and 13,141 speech-language pathologist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 13,141 in California → Every provider in Santa Ana → Speech-Language Pathologist nationwide →

The 8 speech-language pathologist records with the nearest ZIP codes

  1. Yazmina Alonso, M.S., CCC-SLPSanta Ana, CA 927071760323257
  2. Jilma Clarke, M.A.,CCC-SLPSanta Ana, CA 927071376484865
  3. Ella HishikiSanta Ana, CA 927071275478513
  4. Hannah MerrittSanta Ana, CA 927071962167114
  5. Kimberly Patterson, MS, CCC-SLPSanta Ana, CA 927071831030329
  6. Roxanne Pulido-AlvaradoSanta Ana, CA 927071336080829
  7. Christine PurdySanta Ana, CA 927071184569428
  8. Bidyarani ShamurailatpamSanta Ana, CA 927071760923668

Common questions

What is Katrina Biagan Castro, M.S.CCC-SLP's NPI number?

Katrina Biagan Castro, M.S.CCC-SLP's National Provider Identifier (NPI) is 1275921686, issued on Jan 7, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Katrina Biagan Castro, M.S.CCC-SLP located?

The NPPES record lists a practice address at 1030 W Warner Ave, Santa Ana, CA, 92707. Phone: (714) 546-6450. Providers update this record themselves, so call before visiting.

How can I verify Katrina Biagan Castro, M.S.CCC-SLP's license?

NPPES lists California license number SP22190, 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. 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.