NPPES file of Aug 9, 2026

Katy Castillo, LCSW

Social Worker · Tucson, AZ

Katy Castillo, LCSW is a social worker with a practice address in Tucson, Arizona, and NPI 1134879893, issued on Mar 25, 2022. Check the license with the Arizona 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
1134879893
Name
Katy Castillo
Credential
LCSW
Primary taxonomy
Social Worker 104100000X
Practice location
6700 E Speedway Blvd, Tucson, AZ 85710
Phone
(520) 333-7279
Enumerated
Mar 25, 2022
Record last updated
Jan 5, 2026
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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Also registered at 6700 E Speedway Blvd

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

  1. Patricia Guido, LMFTMarriage & Family Therapist1346945458

Verify Katy Castillo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Arizona board licenses this professionCheck 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 Arizona 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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263 social worker records list a practice address in Tucson

They are 263 of the 18,788 NPPES records with a practice address in Tucson, and 1,553 social worker records in Arizona. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 263 in Tucson → All 1,553 in Arizona → Every provider in Tucson →

Other social worker records in Arizona

  1. Jamie Abbitt, LCSWMesa, AZ1770063620
  2. Melissa Abbitt, LMSWTempe, AZ1700331766
  3. Taana Abbitt, LMSWTucson, AZ1730343021
  4. Tammy Abbott-Thiel, LMSWPhoenix, AZ1225389091
  5. Ibrahim AbdelbasirPhoenix, AZ1932363538
  6. Christia AbellTucson, AZ1396130753
  7. Christie Abrams, MSWPhoenix, AZ1164554580
  8. Nicole Abrams, LMSWTucson, AZ1174917025
  9. Larissa AcostaPhoenix, AZ1962397398
  10. Elizabeth Acree, LMSWTucson, AZ1215651336

Common questions

What is Katy Castillo, LCSW's NPI number?

Katy Castillo, LCSW's National Provider Identifier (NPI) is 1134879893, issued on Mar 25, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Katy Castillo, LCSW located?

The NPPES record lists a practice address at 6700 E Speedway Blvd, Tucson, AZ, 85710. Phone: (520) 333-7279. Providers update this record themselves, so call before visiting.

How can I verify Katy Castillo, LCSW's license?

Search the Arizona 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.