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

MS. Ellen Ostergren, LCSW

Individual provider Social Worker · NPI 1134325582

MS. Ellen Ostergren, LCSW is a Clinical Social Worker in Alameda, California. Qualified in 2004, 22 years ago. Practices as a sole proprietor.

Years since qualifying
22
In the registry since
2007
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

1609 San Antonio Ave
Alameda, CA 94501-4040
Phone: (352) 222-5005
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Social Worker (primary) Taxonomy 104100000X

Record details

NPI number1134325582
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorYes
NPI enumeratedJune 22, 2007
Last updated in NPPESSeptember 10, 2025
Certification dateSeptember 10, 2025
Mailing address1609 San Antonio Ave, Alameda, CA 94501-4040

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2004 (22 years in practice)
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

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