MS. Margaret Koster, LCSW
MS. Margaret Koster, LCSW is a Psychologist in Willits, California. Practices as a sole proprietor. Licensed in California.
- Licensed in
- CA
- In the registry since
- 2007
- Specialties on file
- 2
What do these letters mean?
- LCSW — Licensed Clinical Social Worker
- A social worker licensed to diagnose and treat mental health conditions independently.
Practice location Address checks out
16100 N Highway 101 Spc 72Willits, CA 95490-9715
Phone: (707) 459-5970
Show map & directions
Directions in Google Maps · Apple Maps · OpenStreetMap
Pin is approximate — placed at the ZIP-code centre, not the exact door.
Specialties & licences
| Psychologist (primary) | Taxonomy 103T00000X · Licence LCS5820 (CA) |
|---|---|
| Clinical Social Worker | Taxonomy 1041C0700X · Licence LCS5820 (CA) |
Record details
| NPI number | 1770609919 |
|---|---|
| Entity type | Individual (Type 1) |
| Gender | Female |
| Credentials | LCSW |
| Sole proprietor | Yes |
| NPI enumerated | March 21, 2007 |
| Last updated in NPPES | September 11, 2025 |