Ellen Williams, COTAL
NPI 1649454737 · Occupational Therapy Assistant · Tulsa, OK
Ellen Williams, COTAL is a Occupational Therapy Assistant provider in Tulsa, OK (NPI 1649454737).
Provider details
- NPI number
- 1649454737
- Entity type
- Individual
- Primary specialty
- Occupational Therapy AssistantRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- COTAL
- Sex
- Female
- Sole proprietor
- No
- License
- 644 (OK)
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
18 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
- 2007-12-26
- Last updated
- 2007-12-26
Frequently asked questions
- What is Ellen Williams's NPI number?
- Ellen Williams's National Provider Identifier (NPI) is 1649454737, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ellen Williams's specialty?
- Ellen Williams is listed in the NPPES registry with a primary specialty of Occupational Therapy Assistant (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Ellen Williams located?
- Ellen Williams's practice location on file with NPPES is 6161 S Yale Ave, Tulsa, OK 74136.
- What is Ellen Williams's phone number?
- The practice phone number listed in the NPPES registry for Ellen Williams is (918) 494-4250.
- Is Ellen Williams's NPI active?
- Yes — Ellen Williams's NPI (1649454737) is active in the NPPES registry as of the last update on 2007-12-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.