Search › Washington › 101Y00000X
Mark Briggs, LMHCA
NPI 1598435117 · on the registry since 2021
Practice
- Address
- Po Box 3057
Issaquah, WA 98027 - Phone
- (425) 835-2503
- Fax
- (425) 285-5436
Registry record
- Primary taxonomy
- 101Y00000X
101Y00000X
- Licence states on file
- WA
From the registry's licence fields, which are often incomplete.
- Sex
- Male
- Record last updated
- 2026-01-06
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 Washington