Mary Grace Chizewski
About this NPIWhat this record shows.
NPI 1922971241 is registered to Mary Grace Chizewski, a Neonatal Nurse Practitioner practising at 225 E Chicago Ave in Chicago, Illinois. Neonatal Nurse Practitioner is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Mary Grace Chizewski has been enumerated in the National Provider Identifier (NPI) registry since 2025.
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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 Mary Grace Chizewski accepts. To confirm in-network status with your specific health plan, contact Mary Grace Chizewski directly at (312) 227-4000.
Frequently asked
Yes. NPI 1922971241 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Neonatal Nurse Practitioner 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) 227-4000.
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. Mary Grace Chizewski is a Type-1 individual NPI.