Mary Williams, COTA
NPI 1891123873 · Occupational Therapy Assistant · Indianapolis, IN
Mary Williams, COTA is a Occupational Therapy Assistant provider in Indianapolis, IN (NPI 1891123873).
Provider details
- NPI number
- 1891123873
- Entity type
- Individual
- Primary specialty
- Occupational Therapy AssistantRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- COTA
- Sex
- Female
- Sole proprietor
- No
- License
- 32002545A (IN)
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
12 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
- 2013-10-29
- Last updated
- 2013-10-29
Frequently asked questions
- What is Mary Williams's NPI number?
- Mary Williams's National Provider Identifier (NPI) is 1891123873, 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 6239 S East St, Indianapolis, IN 46227-2090.
- What is Mary Williams's phone number?
- The practice phone number listed in the NPPES registry for Mary Williams is (317) 791-9031.
- Is Mary Williams's NPI active?
- Yes — Mary Williams's NPI (1891123873) is active in the NPPES registry as of the last update on 2013-10-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.