Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

GWENDOLYN WILLIAMS CSW
NPI 1649271826
Social Worker - Clinical in Muskegon, MI

Active since August 10, 2005
1700 OAK AVE, MUSKEGON, MI 49442(231) 777-2093(231) 773-7500 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

About Gwendolyn Williams Csw NPPES

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

GWENDOLYN WILLIAMS CSW (NPI 1649271826) is an individual clinical provider in Muskegon, Michigan, licensed in Michigan (6801058001) and active in the NPI registry since August 2005.

NPPES Registry Identity

NPI1649271826
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameGWENDOLYN WILLIAMSCredential: CSW
Location Address1700 OAK AVEMuskegon, MI 49442-2407
Mailing Address2201 S Getty StMuskegon, MI 49444-1207 · (231) 739-9315 · Fax (231) 733-7380
Fax(231) 773-7500
Sole ProprietorNo
Enumeration DateAugust 10, 2005
Last NPPES UpdateJuly 13, 2026
NPI 1649271826 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 MI · 6801058001
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.
1700 OAK AVE, Muskegon, MI 49442

Other Providers at the Same Location NPPES 16

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

Emergency Medicine
1700 OAK AVE
MUSKEGON, MI 49442
Emergency Medicine
1700 OAK AVE
MUSKEGON, MI 49442
Social Worker (Clinical)
1700 OAK AVE, SUITE 400
MUSKEGON, MI 49442
Pharmacist
1700 OAK AVE, 3RD FLOOR
MUSKEGON, MI 49442
Physician Assistant (Medical)
1700 OAK AVE
MUSKEGON, MI 49442
Internal Medicine
1700 OAK AVE
MUSKEGON, MI 49442
Family Medicine
1700 OAK AVE
MUSKEGON, MI 49442
Nurse Practitioner (Psychiatric/Mental Health)
1700 OAK AVE, SUITE 400
MUSKEGON, MI 49442

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 1649271826. It was assigned to this individual provider in the NPPES registry on August 10, 2005.

Where is Gwendolyn Williams located?

Gwendolyn Williams practices at 1700 Oak Ave, Muskegon, MI 49442. The listed phone number is (231) 777-2093.

What is Gwendolyn Williams's specialty?

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

When was this NPI record last updated?

The NPPES record for Gwendolyn Williams was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 53 days 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.