Mary Williams, COTA/L
NPI 1730604018 · Occupational Therapy Assistant · Wauconda, IL
Mary Williams, COTA/L is a Occupational Therapy Assistant provider in Wauconda, IL (NPI 1730604018).
Provider details
- NPI number
- 1730604018
- Entity type
- Individual
- Primary specialty
- Occupational Therapy AssistantRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- COTA/L
- Sex
- Female
- Sole proprietor
- No
- License
- 057.004758 (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
8 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
- 2017-08-08
- Last updated
- 2022-07-21
Frequently asked questions
- What is Mary Williams's NPI number?
- Mary Williams's National Provider Identifier (NPI) is 1730604018, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Williams's specialty?
- Mary Williams is listed in the NPPES registry with a primary specialty of Occupational Therapy Assistant (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Mary Williams located?
- Mary Williams's practice location on file with NPPES is 152 North Ave, Wauconda, IL 60084-1874.
- What is Mary Williams's phone number?
- The practice phone number listed in the NPPES registry for Mary Williams is (847) 927-8879.
- Is Mary Williams's NPI active?
- Yes — Mary Williams's NPI (1730604018) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.