Gwendolyn Spencer Barnhart, PHD, PSYD, EDD
Clinical Psychologist · Lakebay, WA
Gwendolyn Spencer Barnhart, PHD, PSYD, EDD is a clinical psychologist with a practice address in Lakebay, Washington, and NPI 1467079525, issued on Jul 6, 2020. Check the license (Washington PY61265998, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gwendolyn Spencer Barnhart
- Credential
- PHD, PSYD, EDD
- Primary taxonomy
- Clinical Psychologist 103TC0700X
- License numbers
- PY61265998 WA
CP70010956 WA
LH61254557 WA
235193 AK
2269 HI
and 1 more
Self-reported in NPPES; status is on the state search - Practice location
- 609 204TH Avenue CT SW, Lakebay, WA 98349
- Phone
- (253) 331-1530
- Enumerated
- Jul 6, 2020
- Record last updated
- Jul 31, 2026
- Fax
- (855) 878-3079
- Medicare enrollment
- Enrolled (PECOS I20251101000263); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest clinical psychologist records → All 1,675 in Washington → Look up another NPI →
Verify Gwendolyn Spencer Barnhart in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license PY61265998Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through 2 group practices
- Sondermind PABellevue, WA
- Sondermind Provider Network LLCHonolulu, HI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gwendolyn Spencer Barnhart among 1,675 clinical psychologist records in Washington
Gwendolyn Spencer Barnhart, PHD, PSYD, EDD is one of 1,675 clinical psychologist records with a practice address in Washington. 13% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 87% of them.
- NPI issued2020 · 87% of these records are older, 10% newer
- In a Medicare fileYes · 13% of these records are
- In the CMS Doctors and Clinicians fileYes · 23% of these records are
- Graduated2021 · median 2009 among the 386 with a school on file
- Record last updated2026 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103TC0700X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1 clinical psychologist record lists a practice address in Lakebay
They are 1 of the 35 NPPES records with a practice address in Lakebay, and 1,675 clinical psychologist records in Washington.
All 1,675 in Washington → Every provider in Lakebay → Clinical Psychologist nationwide →
The 8 clinical psychologist records with the nearest ZIP codes
- Charles Slater, PH.D.Manchester, WA 983531275557936
- Diane Johnson, PH.D.Port Hadlock, WA 983391255546768
- Elizabeth Grevey, PSYD, BCBAGraham, WA 983381154652444
- Charles Brady, PHDBremerton, WA 983371477667517
- Jonathan Stevens, PSY.D.Port Angeles, WA 983621184762155
- Mary Wegmann, PH.DPort Angeles, WA 983621083776819
- Charles Anderson, PH.DGig Harbor, WA 983351679711436
- Bruce Dykeman, PH.D.Gig Harbor, WA 983351265632244
Common questions
What is Gwendolyn Spencer Barnhart, PHD, PSYD, EDD's NPI number?
Gwendolyn Spencer Barnhart, PHD, PSYD, EDD's National Provider Identifier (NPI) is 1467079525, issued on Jul 6, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Gwendolyn Spencer Barnhart, PHD, PSYD, EDD located?
The NPPES record lists a practice address at 609 204TH Avenue CT SW, Lakebay, WA, 98349. Phone: (253) 331-1530. Providers update this record themselves, so call before visiting.
How can I verify Gwendolyn Spencer Barnhart, PHD, PSYD, EDD's license?
NPPES lists Washington license number PY61265998, 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. Medicare files from data.cms.gov. 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.