Thomas Williamson, COTA
NPI 1497205496 · Occupational Therapy Assistant · Joliet, IL
Thomas Williamson, COTA is a Occupational Therapy Assistant provider in Joliet, IL (NPI 1497205496).
Provider details
- NPI number
- 1497205496
- Entity type
- Individual
- Primary specialty
- Occupational Therapy AssistantRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- COTA
- Sex
- Male
- Sole proprietor
- No
- License
- 057004539 (IL)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-10-13
- Last updated
- 2016-10-13
Frequently asked questions
- What is Thomas Williamson's NPI number?
- Thomas Williamson's National Provider Identifier (NPI) is 1497205496, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Williamson's specialty?
- Thomas Williamson is listed in the NPPES registry with a primary specialty of Occupational Therapy Assistant (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Thomas Williamson located?
- Thomas Williamson's practice location on file with NPPES is 801 S Briggs St, Joliet, IL 60433-9591.
- What is Thomas Williamson's phone number?
- The practice phone number listed in the NPPES registry for Thomas Williamson is (815) 722-1757.
- Is Thomas Williamson's NPI active?
- Yes — Thomas Williamson's NPI (1497205496) is active in the NPPES registry as of the last update on 2016-10-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.