NPPES file of Aug 9, 2026

Mari Hashimoto, LCSW

Clinical Social Worker · Los Angeles, CA

Mari Hashimoto, LCSW is a clinical social worker with a practice address in Los Angeles, California, and NPI 1104943166, issued on Mar 23, 2007. Check the license (California LCS26236, 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
1104943166
Name
Mari Hashimoto
Credential
LCSW
Primary taxonomy
Clinical Social Worker 1041C0700X
License numbers
LCS26236 CA
ASW13110 CA
Self-reported in NPPES; status is on the state search
Practice location
520 S LA Fayette Park PL FL 3, Los Angeles, CA 90057
Phone
(213) 252-2100
Enumerated
Mar 23, 2007
Record last updated
Jan 27, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(213) 252-2199
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 520 S LA Fayette Park PL FL 3

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

  1. Suejin An, LMFTMarriage & Family Therapist1003227653
  2. Carl Ann Rei Bolano, LCSWClinical Social Worker1053926626
  3. Mario Castro, CASE MANAGERCase Manager/Care Coordinator1427784065
  4. Winnie Chau, ASWMental Health Counselor1740321322
  5. Jessica Choi, MFCMarriage & Family Therapist1376684928
  6. Karen Contreras, CASE MANAGERRehabilitation Practitioner1730863895

Verify Mari Hashimoto 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 LCS26236    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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Mari Hashimoto among 36,261 clinical social worker records in California

Mari Hashimoto, 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 2007, is newer than 9% of them.

  • NPI issued2007 · 9% of these records are older, 76% newer
  • In a Medicare fileNo · 6% of these records are
  • In the CMS Doctors and Clinicians fileNo · 11% of these records are
  • Record last updated2017 · 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).

4,806 clinical social worker records list a practice address in Los Angeles

They are 4,806 of the 69,537 NPPES records with a practice address in Los Angeles, 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 Los Angeles → Clinical Social Worker nationwide →

The 8 clinical social worker records with the nearest ZIP codes

  1. Glenna Anderson, LCSWLos Angeles, CA 900571801948195
  2. Rache Bartur, MSWLos Angeles, CA 900571376620195
  3. Jungim Chang, LCSWLos Angeles, CA 900571477616613
  4. Peter Muonagor, LCSWLos Angeles, CA 900571497939920
  5. Anne O, ASWLos Angeles, CA 900571962547000
  6. Ngozi Onwualu, L.C.S.WLos Angeles, CA 900571619017423
  7. Wanchoe Park, LCSWLos Angeles, CA 900571619093028
  8. Elizabeth Phillips, PH.D. L.C.S.W.Los Angeles, CA 900571508063389

Common questions

What is Mari Hashimoto, LCSW's NPI number?

Mari Hashimoto, LCSW's National Provider Identifier (NPI) is 1104943166, issued on Mar 23, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Mari Hashimoto, LCSW located?

The NPPES record lists a practice address at 520 S LA Fayette Park PL FL 3, Los Angeles, CA, 90057. Phone: (213) 252-2100. Providers update this record themselves, so call before visiting.

How can I verify Mari Hashimoto, LCSW's license?

NPPES lists California license number LCS26236, 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.