NPPES file of Aug 9, 2026

Chelsea Alyse Mesfin, LCSW

Clinical Social Worker · Torrance, CA

Chelsea Alyse Mesfin, LCSW is a clinical social worker with a practice address in Torrance, California, and NPI 1699027441, issued on Oct 3, 2012. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1699027441
Name
Chelsea Alyse Mesfin
Credential
LCSW
Primary taxonomy
Clinical Social Worker 1041C0700X
Practice location
1000 W Carson St, Torrance, CA 90502
Phone
(310) 222-3110
Enumerated
Oct 3, 2012
Record last updated
May 23, 2024
Fax
(310) 328-7217
Medicare enrollment
Enrolled (PECOS I20240717005197); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1000 W Carson St

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

  1. Arjan AbarStudent in an Organized Health Care Education/Training Program1982309290
  2. Brenda Abarca, MDPsychiatry Physician1407485527
  3. Maleeha AbbasStudent in an Organized Health Care Education/Training Program1275203499
  4. Saamirah Abdul-MuminCommunity Health Worker1144683947
  5. Maria Elena AbedesAmbulatory Care Registered Nurse1184360992
  6. Hoda Abou-Ziab, PSYDClinical Psychologist1649618125

Verify Chelsea Alyse Mesfin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this professionCheck 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.

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Bills Medicare through one group practice

  1. Faculty Physicians And Surgeons OF LlusmLoma Linda, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Chelsea Alyse Mesfin among 36,261 clinical social worker records in California

Chelsea Alyse Mesfin, 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. Its NPI, issued in 2012, is newer than 38% of them.

  • NPI issued2012 · 38% of these records are older, 58% newer
  • In a Medicare fileYes · 6% of these records are
  • In the CMS Doctors and Clinicians fileYes · 11% of these records are
  • Graduated2013 · median 2012 among the 4,008 with a school on file
  • Record last updated2024 · 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).

260 clinical social worker records list a practice address in Torrance

They are 260 of the 8,901 NPPES records with a practice address in Torrance, and 36,261 clinical social worker records in California.

The 8 clinical social worker records with the nearest ZIP codes

  1. Victoria Butler, LCSWTorrance, CA 905021871664409
  2. Chris Counts, L.C.S.W.Torrance, CA 905021851446264
  3. Sushila Desai, LCSWTorrance, CA 905021598824377
  4. Patricia Dugan, M.S.W.Torrance, CA 905021558448332
  5. David Haponski, LCSWTorrance, CA 905021457420499
  6. Derek Hsieh, PH.D., L.C.S.WTorrance, CA 905021346323128
  7. Celeste Lopez, LCSWTorrance, CA 905021750442406
  8. Luisa Lowe, MSWTorrance, CA 905021598802142

Common questions

What is Chelsea Alyse Mesfin, LCSW's NPI number?

Chelsea Alyse Mesfin, LCSW's National Provider Identifier (NPI) is 1699027441, issued on Oct 3, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Chelsea Alyse Mesfin, LCSW located?

The NPPES record lists a practice address at 1000 W Carson St, Torrance, CA, 90502. Phone: (310) 222-3110. Providers update this record themselves, so call before visiting.

How can I verify Chelsea Alyse Mesfin, LCSW's license?

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. Medicare files from data.cms.gov. 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 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.