Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Katrina Williams, OTR/L
Occupational Therapist in Olney, IL · enumerated 2020.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1801424957
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Katrina Williams
Credential OTR/L
Sex Female
Practice address 800 E Locust St, Olney, IL, 62450
Phone (618) 599-6193
Enumeration date Apr 1, 2020
Last updated in NPPES Nov 27, 2023
Taxonomy & licenses
225X00000X Occupational Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 056.011663 (IL) Primary
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
Where does Katrina Williams practice?
The practice location on file with NPPES is in Olney, IL. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Katrina Williams?
The National Provider Identifier (NPI) for Katrina Williams is 1801424957, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Nona Fulk Obstetrics & Gynecology Physician · Olney, IL NPI 1619974227 Paul Sutherland Surgery Physician · Olney, IL NPI 1649252511 Vickie Roeser Physical Therapist · Olney, IL NPI 1851360804 Shari Berger Speech-Language Pathologist · Olney, IL NPI 1578529905 Tamara Slankard Occupational Therapist · Olney, IL NPI 1457301947 Robert Nash Anatomic Pathology & Clinical Pathology Physician · Olney, IL NPI 1891749784 Richland Memorial Hospital, Inc Psychiatric Hospital · Olney, IL NPI 1528014834 Richland Memorial Hospital, Inc Critical Access Hospital · Olney, IL NPI 1467492124
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-11-27.