NPPES file of Aug 9, 2026

Denni Liebowitz, LCSW

Clinical Social Worker · Berkeley, CA

Denni Liebowitz, LCSW is a clinical social worker with a practice address in Berkeley, California, and NPI 1063466050, issued on May 22, 2006. Check the license (California LCS19855, 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, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1063466050
Name
Denni Liebowitz
Credential
LCSW
Primary taxonomy
Clinical Social Worker 1041C0700X
License number
LCS19855 CA
Self-reported in NPPES; status is on the state search
Practice location
2340 Ward St, Berkeley, CA 94705
Phone
(510) 549-2945
Enumerated
May 22, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
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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8 nearest clinical social worker records → All 36,261 in California → Look up another NPI →

Also registered at 2340 Ward St

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

  1. Rachelle Aiello, LMFTMarriage & Family Therapist1295280543
  2. Marion Bardin, LCSW AND MFCClinical Social Worker1861526428
  3. Yakov Barton, PHDPsychologist1508375429
  4. Lila Coulter, PH.D.Psychologist1588706162
  5. Eileen Crean, M.A., M.F.TMarriage & Family Therapist1881790871
  6. Alexandra Elite, LCSWClinical Social Worker1437161312

Verify Denni Liebowitz 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 LCS19855    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

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Denni Liebowitz among 36,261 clinical social worker records in California

Denni Liebowitz, LCSW is one of 36,261 clinical social worker records with a practice address in California. 6% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than under 1% of them.

  • NPI issued2006 · under 1% of these records are older, 91% newer
  • In a Medicare fileNo · 6% of these records are
  • In the CMS Doctors and Clinicians fileNo · 11% of these records are
  • Record last updated2007 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

287 clinical social worker records list a practice address in Berkeley

They are 287 of the 4,898 NPPES records with a practice address in Berkeley, and 36,261 clinical social worker records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 36,261 in California → Every provider in Berkeley → Clinical Social Worker nationwide →

The 8 clinical social worker records with the nearest ZIP codes

  1. Leslie BellBerkeley, CA 947051366589947
  2. Claire Capor, M.S.W.Berkeley, CA 947051285773507
  3. Susan Diamond Moore, L.C.S.W.Berkeley, CA 947051295889756
  4. Alexandra Elite, LCSWBerkeley, CA 947051437161312
  5. Gail Hunt, LCSW, BCDBerkeley, CA 947051518908623
  6. Michael Marsman, L.C.S.W.Berkeley, CA 947051558438747
  7. Kerry McKee, LCSWBerkeley, CA 947051518034974
  8. Margaret Reiss, LCSWBerkeley, CA 947051922170497

Common questions

What is Denni Liebowitz, LCSW's NPI number?

Denni Liebowitz, LCSW's National Provider Identifier (NPI) is 1063466050, issued on May 22, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Denni Liebowitz, LCSW located?

The NPPES record lists a practice address at 2340 Ward St, Berkeley, CA, 94705. Phone: (510) 549-2945. Providers update this record themselves, so call before visiting.

How can I verify Denni Liebowitz, LCSW's license?

NPPES lists California license number LCS19855, 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), 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.