DR. WILLIAM M GIBSON PHD PSYCHOLOGIST
NPI 1093367724
Counselor - Professional in Bainbridge Island, WA
About Dr. William M Gibson Phd Psychologist NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. WILLIAM M GIBSON PHD PSYCHOLOGIST (NPI 1093367724) is an individual professional provider in Bainbridge Island, Washington, licensed in Washington (MC60916349) and active in the NPI registry since July 2019. He is enrolled in Medicare PECOS, maintains a secondary practice location in Bainbridge Island, and is a graduate of Other (2006).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. William M Gibson Phd Psychologist is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show William Gibson reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Redmond, WA 98052
- Reassigned Medicare billing, Washington enrollment
- 69 clinicians in this Medicare group
Coral Gables, FL 33134
- Reassigned Medicare billing, Washington enrollment
- 18 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is William Gibson's NPI number?
The NPI number for William Gibson is 1093367724. It was assigned to this individual provider in the NPPES registry on July 12, 2019.
Where is William Gibson located?
William Gibson practices at 14657 Sivertson Rd NE, Bainbridge Island, WA 98110. The listed phone number is (206) 465-9935.
What is William Gibson's specialty?
The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.
Is William Gibson enrolled in Medicare?
Yes. William Gibson is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for William Gibson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Gibson reassigns Medicare benefits to 2 organizations: Lightheart Associates Ps (Redmond, WA) and Sailor Health Medical PA (Coral Gables, FL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for William Gibson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Gibson accept?
Health plans from Ambetter Health, Blue Cross and Blue Shield of Texas, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list William Gibson as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for William Gibson was last updated on November 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. William M Gibson, PHD PSYCHOLOGIST · NPI 1093367724
Professional provider in Bainbridge Island, Washington. Individual provider, active in the CMS NPPES registry since July 12, 2019.
## Identity
- **NPI:** 1093367724 (Entity type: Individual)
- **Enumerated:** July 12, 2019
- **Primary specialty:** Counselor - Professional · taxonomy 101YP2500X
- **State license:** MC60916349 (Washington)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 14657 SIVERTSON RD NE, Bainbridge Island, WA 98110-3051
- **Phone:** (206) 465-9935
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Lightheart Associates Ps (NPI 1609221720, Redmond, WA); Sailor Health Medical PA (NPI 1841012960, Coral Gables, FL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2006
## Record status
- **NPPES last updated:** November 11, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1093367724) · Data from the CMS NPPES public registry.