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

Sierra Katherine Williams, OTD, OTR/L

Individual provider Occupational Therapist · NPI 1699661280

Sierra Katherine Williams, OTD, OTR/L is an Occupational Therapist in West Hills, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2025
What do these letters mean?
OTD — Doctor of Occupational Therapy
The doctoral degree in occupational therapy.
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 →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

7300 Medical Center Dr
West Hills, CA 91307-1902
Phone: (818) 676-4000
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Occupational Therapist (primary) Taxonomy 225X00000X · Licence 25127 (CA)

Record details

NPI number1699661280
Entity typeIndividual (Type 1)
GenderFemale
Credentials OTD , OTR/L
Sole proprietorYes
NPI enumeratedJune 18, 2025
Last updated in NPPESJune 18, 2025
Certification dateJune 18, 2025

Other providers in West Hills