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

Mr. David William Singer, MSW, LCSW

Individual provider Clinical Social Worker · NPI 1174758387

Mr. David William Singer, MSW, LCSW is a Clinical Social Worker in Portland, Oregon. Qualified in 2005, 21 years ago. Practices as a sole proprietor, works from 2 locations and accepts Medicare assignment. Licensed in Oregon.

Years since qualifying
21
Licensed in
OR
In the registry since
2009
What do these letters mean?
MSW — Master of Social Work
The graduate degree in social work.
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

4410 SE Woodstock Blvd Ste 230
Portland, OR 97206-6206
Phone: (503) 893-8995
Fax: (503) 354-1778
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 13102 Se 130th Ave, Happy Valley, OR 97086-9357 — (035) 893-8995

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence L4248 (OR)

Record details

NPI number1174758387
Entity typeIndividual (Type 1)
GenderMale
Credentials MSW , LCSW
Sole proprietorYes
NPI enumeratedMay 18, 2009
Last updated in NPPESJanuary 5, 2023
Certification dateJanuary 5, 2023

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2005 (21 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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