William Knox, OTR/L
NPI 1811517097 · Occupational Therapist · Grafton, WI
Enrolled with Medicare as Practitioner - Occupational Therapist in Private Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Knox, OTR/L is a Occupational Therapist provider in Grafton, WI (NPI 1811517097).
Provider details
- NPI number
- 1811517097
- Entity type
- Individual
- Primary specialty
- Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- OTR/L
- Sex
- Male
- Sole proprietor
- Yes
- License
- 6137 (WI)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
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
- 2020-04-17
- Last updated
- 2024-02-22
- Certified
- 2024-02-22
Frequently asked questions
- What is William Knox's NPI number?
- William Knox's National Provider Identifier (NPI) is 1811517097, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Knox's specialty?
- William Knox is listed in the NPPES registry with a primary specialty of Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is William Knox located?
- William Knox's practice location on file with NPPES is 975 Port Washington Rd, Grafton, WI 53024-9201.
- What is William Knox's phone number?
- The practice phone number listed in the NPPES registry for William Knox is (262) 329-2700.
- Does William Knox accept Medicare?
- William Knox is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Knox's NPI active?
- Yes — William Knox's NPI (1811517097) is active in the NPPES registry as of the last update on 2024-02-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.