William Gillis, OTR/L
NPI 1316882087 · Occupational Therapist · Monroe, MI
William Gillis, OTR/L is a Occupational Therapist provider in Monroe, MI (NPI 1316882087).
Provider details
- NPI number
- 1316882087
- Entity type
- Individual
- Primary specialty
- Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- OTR/L
- Sex
- Male
- Sole proprietor
- No
- License
- 5201010107 (MI)
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
Under 1 yr in 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
- 2026-04-21
- Last updated
- 2026-04-21
- Certified
- 2026-04-21
Frequently asked questions
- What is William Gillis's NPI number?
- William Gillis's National Provider Identifier (NPI) is 1316882087, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Gillis's specialty?
- William Gillis is listed in the NPPES registry with a primary specialty of Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is William Gillis located?
- William Gillis's practice location on file with NPPES is 700 Stewart Rd, Monroe, MI 48162-5304.
- What is William Gillis's phone number?
- The practice phone number listed in the NPPES registry for William Gillis is (734) 240-1820.
- Is William Gillis's NPI active?
- Yes — William Gillis's NPI (1316882087) is active in the NPPES registry as of the last update on 2026-04-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.