Search › California › 103T00000X
Margaret Koster, LCSW
NPI 1770609919 · on the registry since 2007 · sole proprietor
Practice
- Address
- 16100 N Highway 101 Spc 72
Willits, CA 95490 - Phone
- (707) 459-5970
Registry record
- Primary taxonomy
- 103T00000X
103T00000X
- Also registered as
- 1041C0700X
- Licence states on file
- CA
From the registry's licence fields, which are often incomplete.
- Sex
- Female
- Record last updated
- 2025-09-11
Source: CMS National Plan and Provider Enumeration System. Registration is not the same as practising, and the registry records no retirement — some people listed here no longer practise. More in California