John Larson D.O.
About this NPIWhat this record shows.
NPI 1093722860 is registered to John Larson D.O., a Diagnostic Radiology practising at 1901 W Harrison St in Chicago, Illinois. Diagnostic Radiology uses medical imaging (X-ray, CT, MRI, ultrasound, and nuclear medicine) to diagnose disease and injury. John Larson D.O. has been enumerated in the National Provider Identifier (NPI) registry since 2006.
Your brand here.
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 John Larson D.O. accepts. To confirm in-network status with your specific health plan, contact John Larson D.O. directly at (312) 864-3825.
Frequently asked
Yes. NPI 1093722860 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Diagnostic Radiology uses medical imaging (X-ray, CT, MRI, ultrasound, and nuclear medicine) to diagnose disease and injury.
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) 864-3825.
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. John Larson D.O. is a Type-1 individual NPI.