NPPES file of Aug 9, 2026

Peggy Ann Diaz, LCSW

Clinical Social Worker · San Marcos, TX

Peggy Ann Diaz, LCSW is a clinical social worker with a practice address in San Marcos, Texas, and NPI 1053480228, issued on Nov 6, 2006. Check the license (Texas 19567, as entered in NPPES) with the Texas 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
1053480228
Name
Peggy Ann Diaz
Credential
LCSW
Primary taxonomy
Clinical Social Worker 1041C0700X
License number
19567 TX
Self-reported in NPPES; status is on the state search
Practice location
151 Stagecoach Trl Ste 220, San Marcos, TX 78666
Phone
(448) 248-7758
Enumerated
Nov 6, 2006
Record last updated
Feb 9, 2023
Fax
(281) 648-2200
Medicaid IDs
00S99W TX
87256Q TX
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 151 Stagecoach Trl Ste 220

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

  1. Julieta Acuna, LPCProfessional Counselor1528753324
  2. Aju Alex, PMNHP-BCPsychiatric/Mental Health Nurse Practitioner1215490693
  3. Samantha Brown, M.D.Psychiatry Physician1578803383
  4. Stephanie Falcon, M.S.Professional Counselor1073869525
  5. Alyssa Fernandez, PSY.DClinical Psychologist1770402521
  6. Savannah Howe, LPCProfessional Counselor1487254611

Verify Peggy Ann Diaz in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Texas board licenses this profession
    Search for license 19567
    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 Texas 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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50 clinical social worker records list a practice address in San Marcos

They are 50 of the 1,003 NPPES records with a practice address in San Marcos, and 11,683 clinical social worker records in Texas. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other clinical social worker records in Texas

  1. Gina Aalund, LCSW, PLLCRichardson, TX1235502972
  2. Jazzmyne Aaron, LCSWDallas, TX1326550997
  3. Amy Abadia, LCSWDallas, TX1417284787
  4. Afi Abalo Amouh, LCSW, MBAMansfield, TX1154135366
  5. Sheerin Abbas Hall, LCSWAustin, TX1174925846
  6. Sheri Abbey, LCSWFort Worth, TX1851912380
  7. Kristina Abddeen, LCSWTemple, TX1376286484
  8. Rawand Abdelghani, LCSWAustin, TX1629544416
  9. Rachael Abedraboh, LCSWMansfield, TX1477292365
  10. Elizabeth Abel, LCSWAustin, TX1033247135

Common questions

What is Peggy Ann Diaz, LCSW's NPI number?

Peggy Ann Diaz, LCSW's National Provider Identifier (NPI) is 1053480228, issued on Nov 6, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Peggy Ann Diaz, LCSW located?

The NPPES record lists a practice address at 151 Stagecoach Trl Ste 220, San Marcos, TX, 78666. Phone: (448) 248-7758. Providers update this record themselves, so call before visiting.

How can I verify Peggy Ann Diaz, LCSW's license?

NPPES lists Texas license number 19567, as entered by the provider. Search the Texas 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.

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.