Dr. Catherine Duffy MD
About this NPIWhat this record shows.
NPI 1215905922 is registered to Dr. Catherine Duffy MD, a Pediatric Cardiology Physician practising at 2300 Childrens Plaza, Box 21 Childrens Memorial Hospital in Chicago, Illinois. Pediatric Cardiology Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. Catherine Duffy MD has been enumerated in the National Provider Identifier (NPI) registry since 2006.
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 Dr. Catherine Duffy MD accepts. To confirm in-network status with your specific health plan, contact Dr. Catherine Duffy MD directly at (773) 880-4553.
Frequently asked
Yes. NPI 1215905922 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Pediatric Cardiology Physician 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 (773) 880-4553.
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. Dr. Catherine Duffy MD is a Type-1 individual NPI.