Gretta Leigh
NPI 1023996386 · Occupational Therapist · Chicago, IL
Enrolled with Medicare as Practitioner - Occupational Therapist in Private Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gretta Leigh is a Occupational Therapist provider in Chicago, IL (NPI 1023996386).
Provider details
- NPI number
- 1023996386
- Entity type
- Individual
- Primary specialty
- Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 056.016099 (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
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
- 2025-08-25
- Last updated
- 2025-09-06
- Certified
- 2025-09-06
Frequently asked questions
- What is Gretta Leigh's NPI number?
- Gretta Leigh's National Provider Identifier (NPI) is 1023996386, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gretta Leigh's specialty?
- Gretta Leigh is listed in the NPPES registry with a primary specialty of Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Gretta Leigh located?
- Gretta Leigh's practice location on file with NPPES is 1725 W Harrison St Ste 440, Chicago, IL 60612-3836.
- What is Gretta Leigh's phone number?
- The practice phone number listed in the NPPES registry for Gretta Leigh is (312) 563-2454.
- Does Gretta Leigh accept Medicare?
- Gretta Leigh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gretta Leigh's NPI active?
- Yes — Gretta Leigh's NPI (1023996386) is active in the NPPES registry as of the last update on 2025-09-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.