NPPES file of Aug 9, 2026

Sidney C. Lam, LCSW

Clinical Social Worker · San Francisco, CA

Sidney C. Lam, LCSW is a clinical social worker with a practice address in San Francisco, California, and NPI 1326183104, issued on Feb 20, 2007. Check the license (California LCS15230, 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
1326183104
Name
Sidney C. Lam
Credential
LCSW
Primary taxonomy
Clinical Social Worker 1041C0700X
License number
LCS15230 CA
Self-reported in NPPES; status is on the state search
Practice location
1380 Howard St FL 5, San Francisco, CA 94103
Phone
(415) 255-3730
Enumerated
Feb 20, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(415) 252-3079
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 1380 Howard St FL 5

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

  1. Edwin Batongbacal, L.C.S.W.Social Worker1083839732
  2. Denise Jones, PHDClinical Psychologist1629194519
  3. Elyssa MarangcoSpecialist1750879573
  4. Thomas Miller, RNCommunity Health Registered Nurse1902003908
  5. Emilio Orozco, NPPsychiatric/Mental Health Nurse Practitioner1225165822
  6. Diane Prentiss, M.A., M.P.H.Behavior Analyst1437399755

Verify Sidney C. Lam 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 LCS15230    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.

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Sidney C. Lam among 36,261 clinical social worker records in California

Sidney C. Lam, 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 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).

1,358 clinical social worker records list a practice address in San Francisco

They are 1,358 of the 38,143 NPPES records with a practice address in San Francisco, 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 San Francisco → Clinical Social Worker nationwide →

The 8 clinical social worker records with the nearest ZIP codes

  1. Elizabeth Brett, LCSWSan Francisco, CA 941031588734354
  2. Jillian Clark, LCSWSan Francisco, CA 941031801960398
  3. Robert Davis, LCSWSan Francisco, CA 941031336257898
  4. Kathryn Davis, LCSWSan Francisco, CA 941031487751145
  5. Maureen Edwards, ACSWSan Francisco, CA 941031134292634
  6. David Fariello, LCSWSan Francisco, CA 941031295812717
  7. Marta Gilbert, LCSWSan Francisco, CA 941031396818712
  8. Vicki Keller, LCSWSan Francisco, CA 941031457438970

Common questions

What is Sidney C. Lam, LCSW's NPI number?

Sidney C. Lam, LCSW's National Provider Identifier (NPI) is 1326183104, issued on Feb 20, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Sidney C. Lam, LCSW located?

The NPPES record lists a practice address at 1380 Howard St FL 5, San Francisco, CA, 94103. Phone: (415) 255-3730. Providers update this record themselves, so call before visiting.

How can I verify Sidney C. Lam, LCSW's license?

NPPES lists California license number LCS15230, 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.