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

Leah Kim Williams, NP

Individual provider Nurse Practitioner · NPI 1548005440

Leah Kim Williams, NP is a Nurse Practitioner in Fort Smith, Arkansas. Qualified in 2022, 4 years ago. Practices with Sebastian Physician Services, PLLC, a 41-clinician group and accepts Medicare assignment. Licensed in Arkansas.

Years since qualifying
4
Licensed in
AR
In the registry since
2024
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

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Practice location Address checks out

1001 Towson Ave
Fort Smith, AR 72901-4921
Phone: (479) 441-4000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence 227957 (AR)

Record details

NPI number1548005440
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorNo
NPI enumeratedJuly 1, 2024
Last updated in NPPESJuly 1, 2024
Certification dateJuly 1, 2024

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2022 (4 years in practice)
Group practice Sebastian Physician Services, Pllc — 41 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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