Marcus Williams, COTA/L
NPI 1750925111 · Occupational Therapy Assistant · Chicago, IL
Marcus Williams, COTA/L is a Occupational Therapy Assistant provider in Chicago, IL (NPI 1750925111).
Provider details
- NPI number
- 1750925111
- Entity type
- Individual
- Primary specialty
- Occupational Therapy AssistantRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- COTA/L
- Sex
- Male
- Sole proprietor
- No
- License
- 057.004797 (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
6 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
- 2019-10-29
- Last updated
- 2019-10-29
Frequently asked questions
- What is Marcus Williams's NPI number?
- Marcus Williams's National Provider Identifier (NPI) is 1750925111, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marcus Williams's specialty?
- Marcus Williams is listed in the NPPES registry with a primary specialty of Occupational Therapy Assistant (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Marcus Williams located?
- Marcus Williams's practice location on file with NPPES is 1640 W Roosevelt Rd, Chicago, IL 60608-1316.
- What is Marcus Williams's phone number?
- The practice phone number listed in the NPPES registry for Marcus Williams is (312) 996-4921.
- Is Marcus Williams's NPI active?
- Yes — Marcus Williams's NPI (1750925111) is active in the NPPES registry as of the last update on 2019-10-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.