Registry data as of Aug 27, 2026

Melitza Karantzalis, LCSW

Social Worker · Union City, CA

Melitza Karantzalis, LCSW is a social worker with a practice address in Union City, California, and NPI 1306053079, issued on May 16, 2007. Check the license (California LCS18870, 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
1306053079
Name
Melitza Karantzalis
Credential
LCSW
Primary taxonomy
Social Worker 104100000X
License number
LCS18870 CA
Self-reported in NPPES; status is on the state search
Practice location
3555 Whipple Road, Union City, CA 94587
Phone
(510) 675-2157
Enumerated
May 16, 2007
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 3555 Whipple Road

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

  1. Stephen Altbaum, M.F.T.Marriage & Family Therapist1851469894
  2. Briana Carr, PSYDClinical Psychologist1417154691
  3. Laura Cayan, PSYDPsychologist1952511941
  4. Nina Helmer, M.D.Child & Adolescent Psychiatry Physician1013095512
  5. Shari Kirkland, PHDPsychologist1124196894
  6. Mary Mahood, M.F.T.Addiction (Substance Use Disorder) Counselor1619030608

Verify Melitza Karantzalis 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 LCS18870
    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 →

Social Worker providers in California

There are 10,180 social worker records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other social worker records in California

  1. Katie AbajianSan Ysidro, CA1710211818
  2. Katherine AbarcaRancho Cucamonga, CA1225814304
  3. Vafa AbbassiPasadena, CA1740538198
  4. Alexis AbbottSan Diego, CA1265158877
  5. Jeanne Abbott, LCSWModesto, CA1780786939
  6. Vanessa AbcedeLos Angeles, CA1306584495
  7. Sabrina AbdelmutiLong Beach, CA1215244280
  8. Michelle AbdennourNorthridge, CA1467838458
  9. Mulky Abdi, BAEl Sobrante, CA1760609861
  10. Sara Abdi-PanarielloSacramento, CA1912186172

Common questions

What is Melitza Karantzalis, LCSW's NPI number?

Melitza Karantzalis, LCSW's National Provider Identifier (NPI) is 1306053079, issued on May 16, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Melitza Karantzalis, LCSW located?

The NPPES record lists a practice address at 3555 Whipple Road, Union City, CA, 94587. Phone: (510) 675-2157. Providers update this record themselves, so call before visiting.

How can I verify Melitza Karantzalis, LCSW's license?

NPPES lists California license number LCS18870, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.