Registry data as of Aug 27, 2026

Jessica Mac, LCSW

Clinical Social Worker · Diamond Bar, CA

Jessica Mac, LCSW is a clinical social worker with a practice address in Diamond Bar, California, and NPI 1326561382, issued on Jul 21, 2017. Check the license (California 119283, 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
1326561382
Name
Jessica Mac
Credential
LCSW
Primary taxonomy
Clinical Social Worker 1041C0700X
License number
119283 CA
Self-reported in NPPES; status is on the state search
Practice location
253 S Diamond Bar Blvd, Diamond Bar, CA 91765
Phone
(909) 860-1144
Enumerated
Jul 21, 2017
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 253 S Diamond Bar Blvd

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

  1. Ruby Banuelos Calhoun, LCSWClinical Social Worker1902379985
  2. Emily Krasowsky, MDObstetrics & Gynecology Physician1669933552
  3. Lilian Li, DOFamily Medicine Physician1730717737
  4. Anne Liao, MDStudent in an Organized Health Care Education/Training Program1164099487
  5. David Rhodes, MDFamily Medicine Physician1518968353
  6. Loretta Rounds, RNRegistered Nurse1619842101

Verify Jessica Mac 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 119283
    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 →

15 clinical social worker records list a Diamond Bar practice address

They are 15 of the 598 NPPES records with a Diamond Bar practice address, and 30,426 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. Alejandro Abarca, LCSWSonora, CA1538184676
  9. Daisy Abarca, ACSWRoseville, CA1548124779
  10. Marlene Abarca, ACSWSanta Ana, CA1932592284

Common questions

What is Jessica Mac, LCSW's NPI number?

Jessica Mac, LCSW's National Provider Identifier (NPI) is 1326561382, issued on Jul 21, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Jessica Mac, LCSW located?

The NPPES record lists a practice address at 253 S Diamond Bar Blvd, Diamond Bar, CA, 91765. Phone: (909) 860-1144. Providers update this record themselves, so call before visiting.

How can I verify Jessica Mac, LCSW's license?

NPPES lists California license number 119283, 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.