MRS. MARY KATHERINE WILLIAMS (L.C.S.W.) – Clinical Social Worker, NPI 1376501593
Clinical Social Worker
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
681 CLINICAL SOCIAL WORKER in AR
Provider Addresses for MRS. MARY KATHERINE WILLIAMS (L.C.S.W.)
4669 W TUMBLEWEED ST
FAYETTEVILLE, AR 727047642
Phone: (479) 466-9121
Fax: (479) 974-2002
Type: Mailing
2233 N GREEN ACRES RD
FAYETTEVILLE, AR 727032833
Phone: (479) 466-9121
Fax: (479) 974-2002
Type: Location
221, North East Avenue, Fayetteville, Washington County, Arkansas, 72701, United States
SUITE 102
FAYETTEVILLE, AR 727015226
Phone: (479) 575-0529
Fax: (479) 587-0350
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2003-11-06
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20031106000710 | I | Clinical Social Worker | AR | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 72704)
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