Registry data as of Aug 27, 2026

Maria Alcorn

Clinical Social Worker · San Diego, CA

Maria Alcorn is a clinical social worker with a practice address in San Diego, California, and NPI 1689233546, issued on Jun 12, 2019. Check the license (California 109289, 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, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1689233546
Name
Maria Alcorn
Primary taxonomy
Clinical Social Worker 1041C0700X
License number
109289 CA
Self-reported in NPPES; status is on the state search
Practice location
545 Laurel St, San Diego, CA 92101
Phone
(619) 233-4399
Enumerated
Jun 12, 2019
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 545 Laurel St

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

  1. Katrina Cassandra AbetoStudent in an Organized Health Care Education/Training Program1770318941
  2. Meghan AbromProfessional Counselor1275227498
  3. Stephanie AhernSocial Worker1801595426
  4. Sofia Aldrete Isaac, AMFTMarriage & Family Therapist1225801590
  5. Kaylee Almeida, RNRegistered Nurse1992688642
  6. Lies Alvarez Grullon, LVNLicensed Vocational Nurse1982330825

Verify Maria Alcorn 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 109289
    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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

2,036 clinical social worker records list a San Diego practice address

They are 2,036 of the 52,937 NPPES records with a San Diego practice address, and 36,261 clinical social worker records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other clinical social worker records in California

  1. Lynne Aalan, LCSWYountville, CA1417195710
  2. Ahmad Fahim AalemiSacramento, CA1033052410
  3. Rachel Aarons, MSW PHDSanta Barbara, CA1871687822
  4. Shari Aarons, LCSWTarzana, CA1467636845
  5. Mary Aarsheim, LCSWPenn Valley, CA1104192616
  6. Sandra Aase, LCSWRiverside, CA1699872325
  7. Maria Abaci, LCSWSan Rafael, CA1205161924
  8. Louisa AbadaOakland, CA1023502259
  9. Alejandro Abarca, LCSWSonora, CA1538184676
  10. Daisy Abarca, ACSWRoseville, CA1548124779

Common questions

What is Maria Alcorn's NPI number?

Maria Alcorn's National Provider Identifier (NPI) is 1689233546, issued on Jun 12, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Maria Alcorn located?

The NPPES record lists a practice address at 545 Laurel St, San Diego, CA, 92101. Phone: (619) 233-4399. Providers update this record themselves, so call before visiting.

How can I verify Maria Alcorn's license?

NPPES lists California license number 109289, 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), loaded Aug 27, 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) 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 27, 2026.