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GWENDOLYN EVAN WILLIAMS LCSW
NPI 1558598599
Social Worker - Clinical in Hood River, OR

Active since June 17, 2009Opted out of Medicare · through Jul 1, 2027
208 STATE STREET, SUITE #2, HOOD RIVER, OR 97031(541) 241-6276(360) 844-5184 Get Directions Write a Review

NPPES record last updated: April 1, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Apr 1, 2026, May 26, 2022 (2 updates tracked since 2022).

About Gwendolyn Evan Williams Lcsw NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GWENDOLYN EVAN WILLIAMS LCSW (NPI 1558598599) is an individual clinical provider in Hood River, Oregon, licensed in Oregon (L4428) and active in the NPI registry since June 2009. She has opted out of Medicare through July 1, 2027.

NPPES Registry Identity

NPI1558598599
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameGWENDOLYN EVAN WILLIAMSCredential: LCSW
Location Address208 STATE STREET, SUITE #2Hood River, OR 97031-2036
Mailing Address208 State Street, Suite #2Hood River, OR 97031 · (412) 416-2765 · Fax (360) 844-5184
Phone(541) 241-6276
Fax(360) 844-5184
Sole ProprietorNo
Enumeration DateJune 17, 2009
Last NPPES UpdateApril 1, 20262 updates tracked since enumeration
NPPES CertifiedApril 1, 2026
✔ NPI 1558598599 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in OR · L4428
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
208 STATE STREET, Hood River, OR 97031
Open in Google Maps ↗

Other Identifiers 3

OtherR147878OR · Medicare Ptan
Medicaid139670OR
Medicaid500801640OR

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BridgeSpan Health Company, Moda Health Plan, Inc., Providence Health Plan and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

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Opted out of Medicare

Gwendolyn Evan Williams Lcsw has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from July 1, 2025 through July 1, 2027.

Opt-Out Effective DateJuly 1, 2025
Opt-Out In Effect ThroughJuly 1, 2027Opt-out affidavits renew automatically every two years unless cancelled

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

J BUTLER PMHNP
Clinic/Center (Adolescent and Children Mental Health)
208 STATE STREET, STE 4
HOOD RIVER, OR 97031
Hood River County
MARLEIGH POULSEN
Counselor (Mental Health)
208 STATE STREET, STE 4
HOOD RIVER, OR 97031
Hood River County (971) 251-0130
JENNIFER R CLARK MSW, LCSW
Social Worker (Clinical)
208 STATE STREET
HOOD RIVER, OR 97031
Hood River County (541) 429-1064
JODIE BUTLER
Nurse Practitioner (Psychiatric/Mental Health)
208 STATE STREET
HOOD RIVER, OR 97031
Hood River County (971) 299-1275

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 Gwendolyn Williams's NPI number?

The NPI number for Gwendolyn Williams is 1558598599. It was assigned to this individual provider in the NPPES registry on June 17, 2009.

Where is Gwendolyn Williams located?

Gwendolyn Williams practices at 208 State Street Suite #2, Hood River, OR 97031. The listed phone number is (541) 241-6276.

What is Gwendolyn Williams's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Gwendolyn Williams enrolled in Medicare?

No. Gwendolyn Williams has opted out of Medicare through July 1, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

What insurance does Gwendolyn Williams accept?

Health plans from BridgeSpan Health Company, Moda Health Plan, Inc., Providence Health Plan and Regence BlueCross BlueShield of Oregon list Gwendolyn Williams 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 Gwendolyn Williams was last updated on April 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.