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MARK ROSENTHAL LCSW
NPI 1689749129
Social Worker - Clinical in San Francisco, CA

Active since November 21, 2006Opted out of Medicare · through Dec 26, 2027
1735A UNION ST, SAN FRANCISCO, CA 94123(415) 345-1396 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Mark Rosenthal Lcsw NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARK ROSENTHAL LCSW (NPI 1689749129) is an individual clinical provider in San Francisco, California, licensed in California (LCS 19571) and active in the NPI registry since November 2006. He has opted out of Medicare through December 26, 2027.

NPPES Registry Identity

NPI1689749129
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameMARK ROSENTHALCredential: LCSW
Location Address1735A UNION STSan Francisco, CA 94123-4406
Mailing Address1735a Union StSan Francisco, CA 94123-4406 · (415) 345-1396
Phone(415) 345-1396
Sole ProprietorYes
Enumeration DateNovember 21, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1689749129 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in CA · LCS 19571
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
1735A UNION ST, San Francisco, CA 94123
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Mark Rosenthal Lcsw has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from December 26, 2025 through December 26, 2027.

Opt-Out Effective DateDecember 26, 2025
Opt-Out In Effect ThroughDecember 26, 2027Opt-out affidavits renew automatically every two years unless cancelled

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. AMBER LEE JENKINS PH.D.
Psychologist (Clinical)
1735A UNION ST
SAN FRANCISCO, CA 94123
San Francisco County (415) 373-3649
DEBORAH M JOHNSON PH.D.
Psychologist
1735A UNION ST
SAN FRANCISCO, CA 94123
San Francisco County (415) 271-6524
SAN FRANCISCO DBT CENTER: PSYCHOLOGICAL CORPORATION
Psychologist
1735A UNION ST
SAN FRANCISCO, CA 94123
San Francisco County (415) 775-0475

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mark Rosenthal's NPI number?

The NPI number for Mark Rosenthal is 1689749129. It was assigned to this individual provider in the NPPES registry on November 21, 2006.

Where is Mark Rosenthal located?

Mark Rosenthal practices at 1735A Union St, San Francisco, CA 94123. The listed phone number is (415) 345-1396.

What is Mark Rosenthal's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Mark Rosenthal enrolled in Medicare?

No. Mark Rosenthal has opted out of Medicare through December 26, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

When was this NPI record last updated?

The NPPES record for Mark Rosenthal was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.