Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Mr. Alex Stephen Markels, LCSW

Individual provider Clinical Social Worker · NPI 1467522367

Mr. Alex Stephen Markels, LCSW is a Clinical Social Worker in San Rafael, California. Qualified in 1991, 35 years ago. Accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
35
Licensed in
CA
In the registry since
2006
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

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Practice location Address checks out

600 5th Ave
San Rafael, CA 94901-3348
Phone: (415) 419-3638
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence LCS 17346 (CA)

Record details

NPI number1467522367
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW
Sole proprietorNo
NPI enumeratedNovember 8, 2006
Last updated in NPPESJune 6, 2008

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 1991 (35 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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