NPPES file of Aug 9, 2026

Mark Rosenthal, LCSW

Clinical Social Worker · San Francisco, CA

Mark Rosenthal, LCSW is a clinical social worker with a practice address in San Francisco, California, and NPI 1689749129, issued on Nov 21, 2006. Check the license (California LCS 19571, 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
1689749129
Name
Mark Rosenthal
Credential
LCSW
Primary taxonomy
Clinical Social Worker 1041C0700X
License number
LCS 19571 CA
Self-reported in NPPES; status is on the state search
Practice location
1735A Union St, San Francisco, CA 94123
Phone
(415) 345-1396
Enumerated
Nov 21, 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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Also registered at 1735A Union St

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

  1. Amber Jenkins, PH.D.Clinical Psychologist1477823730
  2. Deborah Johnson, PH.D.Psychologist1588762363

Verify Mark Rosenthal 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 LCS 19571
    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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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.

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. Louisa AbadaOakland, CA1023502259
  9. Alejandro Abarca, LCSWSonora, CA1538184676
  10. Daisy Abarca, ACSWRoseville, CA1548124779

Common questions

What is Mark Rosenthal, LCSW's NPI number?

Mark Rosenthal, LCSW's National Provider Identifier (NPI) is 1689749129, issued on Nov 21, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mark Rosenthal, LCSW located?

The NPPES record lists a practice address at 1735A Union St, San Francisco, CA, 94123. Phone: (415) 345-1396. Providers update this record themselves, so call before visiting.

How can I verify Mark Rosenthal, LCSW's license?

NPPES lists California license number LCS 19571, 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.

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.