William M. Gibson, PHD PSYCHOLOGIST
Professional Counselor · Bainbridge Island, WA
William M. Gibson, PHD PSYCHOLOGIST is a professional counselor with a practice address in Bainbridge Island, Washington, and NPI 1093367724, issued on Jul 12, 2019. Check the license (Washington MC60916349, as entered in NPPES) with the Washington board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- William M. Gibson
- Credential
- PHD PSYCHOLOGIST
- Primary taxonomy
- Professional Counselor 101YP2500X
- License number
- MC60916349 WA
Self-reported in NPPES; status is on the state search - Practice location
- 14657 Sivertson RD NE, Bainbridge Island, WA 98110
- Phone
- (206) 465-9935
- Enumerated
- Jul 12, 2019
- Record last updated
- Nov 11, 2025
- Medicare enrollment
- Enrolled (PECOS I20260115004177); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest professional counselor records → All 589 in Washington → Look up another NPI →
Verify William M. Gibson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license MC60916349Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
William M. Gibson among 589 professional counselor records in Washington
William M. Gibson, PHD PSYCHOLOGIST is one of 589 professional counselor records with a practice address in Washington. 4% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2019, is newer than 76% of them.
- NPI issued2019 · 76% of these records are older, 19% newer
- In a Medicare fileNo · 4% of these records are
- In the CMS Doctors and Clinicians fileYes · 8% of these records are
- Graduated2006 · median 2014 among the 46 with a school on file
- Record last updated2025 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101YP2500X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Professional Counselor providers in Washington
There are 589 professional counselor records in Washington. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 589 in Washington → Every provider in Bainbridge Island → Professional Counselor nationwide →
The 8 professional counselor records with the nearest ZIP codes
- Marcee Ben-Menachem, M.ED, NBCT, LMHCABainbridge Island, WA 981101932660941
- Patricia Erskine, BSN, MA, LMHCBainbridge Island, WA 981101265853717
- Diane Spengler, MA, MFTABainbridge Island, WA 981101760767628
- Anders Dallum, LMHCASeattle, WA 981091598547176
- Dionte HardenSeattle, WA 981091447935879
- Brooke Kennaugh, MASeattle, WA 981091023030400
- Jerry Cardoso, AAS, RCSeattle, WA 981121881834877
- Susanne Drisko, MSW, MHP, RCSeattle, WA 981121306995303
Common questions
What is William M. Gibson, PHD PSYCHOLOGIST's NPI number?
William M. Gibson, PHD PSYCHOLOGIST's National Provider Identifier (NPI) is 1093367724, issued on Jul 12, 2019. An NPI identifies a provider in billing; it is not a license.
Where is William M. Gibson, PHD PSYCHOLOGIST located?
The NPPES record lists a practice address at 14657 Sivertson RD NE, Bainbridge Island, WA, 98110. Phone: (206) 465-9935. Providers update this record themselves, so call before visiting.
How can I verify William M. Gibson, PHD PSYCHOLOGIST's license?
NPPES lists Washington license number MC60916349, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.