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

Mary W. Williams, OTR/L

Individual provider Specialist · NPI 1689888737

Mary W. Williams, OTR/L is a Specialist in Marshall, Arkansas. Practices as a sole proprietor and works from 3 locations. Licensed in Arkansas and Tennessee.

Licensed in
AR, TN
In the registry since
2007
Specialties on file
2
What do these letters mean?
OTR/L — Occupational Therapist, Registered and Licensed
An occupational therapist who is both nationally registered and state licensed.

See every abbreviation used in this directory →

Practice location Address checks out

502 S Highway 27
Marshall, AR 72650-7638
Phone: (870) 448-5976
Fax: (870) 448-3542
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 2278 Highway 65 N, Marshall, AR 72650-7660 — (870) 448-3894
  • 295 Industrial Dr, Mountain View, AR 72560-7941 — (870) 269-5566

Specialties & licences

Occupational Therapist (primary) Taxonomy 225X00000X · Licence OTR2000 (AR)
Specialist Taxonomy 174400000X · Licence OT0000003695 (TN)

Record details

NPI number1689888737
Entity typeIndividual (Type 1)
GenderFemale
Credentials OTR/L
Sole proprietorYes
NPI enumeratedMay 9, 2007
Last updated in NPPESFebruary 21, 2023
Certification dateFebruary 21, 2023