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

Mr. Gregory Lance Ostergaard, MSW, LCSW

Individual provider Social Worker · NPI 1952596512

Mr. Gregory Lance Ostergaard, MSW, LCSW is a Clinical Social Worker in Seattle, Washington. Graduated from University of Washington School of Medicine in 1979, 47 years ago. Practices with Moss and Ostergaard, a 2-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Washington.

Years since qualifying
47
Trained at
University of Washington School of Medicine
Licensed in
WA
In the registry since
2007
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

1520 2nd Ave W
Seattle, WA 98119
Phone: (206) 283-3374
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Social Worker (primary) Taxonomy 104100000X · Licence LW00004305 (WA)

Record details

NPI number1952596512
Entity typeIndividual (Type 1)
GenderMale
Credentials MSW , LCSW
Sole proprietorNo
NPI enumeratedSeptember 7, 2007
Last updated in NPPESJanuary 24, 2023
Certification dateJanuary 24, 2023
Mailing address1520 2nd Ave West, Seattle, WA 98119

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolUNIVERSITY OF WASHINGTON SCHOOL OF MEDICINE
Graduated 1979 (47 years in practice)
Group practice Moss And Ostergaard — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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