Gretta Leigh
About this NPIWhat this record shows.
NPI 1023996386 is registered to Gretta Leigh, a Occupational Therapist practising at 1725 W Harrison St Ste 440 in Chicago, Illinois. Occupational Therapist is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Gretta Leigh has been enumerated in the National Provider Identifier (NPI) registry since 2025.
Your brand here.
Medicare enrollment
This provider holds a Medicare enrollment on file with the Provider Enrollment, Chain and Ownership System (PECOS). Each enrollment carries a public Medicare Enrollment ID (ENRLMT_ID) used by billers and intermediaries.
Practitioner
- I20250919000117Occupational Therapist in Private PracticeIL
Source: CMS PECOS public enrollment file.
Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Gretta Leigh accepts. To confirm in-network status with your specific health plan, contact Gretta Leigh directly at (312) 563-2454.
Frequently asked
Yes. NPI 1023996386 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Occupational Therapist is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (312) 563-2454.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. Gretta Leigh is a Type-1 individual NPI.