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

Dr. William M Gibson, PHDPSYCHOLOGIST

Individual provider Professional Counselor · NPI 1093367724

Dr. William M Gibson, PHDPSYCHOLOGIST is a Mental Health Counselor in Bainbridge Island, Washington. Qualified in 2006, 20 years ago. Practices as a sole proprietor and works from 2 locations. Licensed in Washington.

Years since qualifying
20
Licensed in
WA
In the registry since
2019

Practice location Address checks out

14657 Sivertson Rd NE
Bainbridge Island, WA 98110-3051
Phone: (206) 465-9935
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 755 Winslow Way E Ste 307, Bainbridge Island, WA 98110-2770 — (206) 465-9925

Specialties & licences

Professional Counselor (primary) Taxonomy 101YP2500X · Licence MC60916349 (WA)

Record details

NPI number1093367724
Entity typeIndividual (Type 1)
GenderMale
Credentials PHDPSYCHOLOGIST
Sole proprietorYes
NPI enumeratedJuly 12, 2019
Last updated in NPPESNovember 11, 2025
Certification dateNovember 11, 2025

Medicare enrollment

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

Medicare specialtyMENTAL HEALTH COUNSELOR
Medical schoolOTHER
Graduated 2006 (20 years in practice)
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

Other providers in Bainbridge Island