Joni Williams, COTA/L
NPI 1528335650 · Occupational Therapy Assistant · Chicago, IL
Joni Williams, COTA/L is a Occupational Therapy Assistant provider in Chicago, IL (NPI 1528335650).
Provider details
- NPI number
- 1528335650
- Entity type
- Individual
- Primary specialty
- Occupational Therapy AssistantRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- COTA/L
- Sex
- Female
- Sole proprietor
- No
- License
- 057.003329 (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
14 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
- 2011-11-17
- Last updated
- 2011-11-17
Frequently asked questions
- What is Joni Williams's NPI number?
- Joni Williams's National Provider Identifier (NPI) is 1528335650, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joni Williams's specialty?
- Joni Williams is listed in the NPPES registry with a primary specialty of Occupational Therapy Assistant (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Joni Williams located?
- Joni Williams's practice location on file with NPPES is 2940 W 87th St, Chicago, IL 60652-3832.
- What is Joni Williams's phone number?
- The practice phone number listed in the NPPES registry for Joni Williams is (773) 434-8787.
- Is Joni Williams's NPI active?
- Yes — Joni Williams's NPI (1528335650) is active in the NPPES registry as of the last update on 2011-11-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.