Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Mrs. Mary Katherine Williams, LCSW

Individual provider Clinical Social Worker · NPI 1376501593

Mrs. Mary Katherine Williams, LCSW is a Clinical Social Worker in Fayetteville, Arkansas. Qualified in 1996, 30 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Arkansas.

Years since qualifying
30
Licensed in
AR
In the registry since
2006
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

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Practice location Address checks out

2233 N Green Acres Rd
Fayetteville, AR 72703-2833
Phone: (479) 466-9121
Fax: (479) 974-2002
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 1752C (AR)

Record details

NPI number1376501593
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorYes
NPI enumeratedMay 4, 2006
Last updated in NPPESOctober 24, 2023
Certification dateOctober 24, 2023

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 1996 (30 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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