Search › Virginia › 101YA0400X
William O'Brien, CSAC
NPI 1356270482 · on the registry since 2026
Practice
- Address
- 707 5th St Ne
Roanoke, VA 24016 - Phone
- (540) 966-5808
- Organisation at this address
- Mainstream Mental Health Services
Inferred from a shared address, not stated in the registry.
- Clinicians at this address
- 11
Registry record
- Primary taxonomy
- 101YA0400X
101YA0400X
- Licence states on file
- VA
From the registry's licence fields, which are often incomplete.
- Sex
- Male
- Record last updated
- 2026-05-15
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 Virginia