William Karczewski M.D.
About this NPIWhat this record shows.
NPI 1275896490 is registered to William Karczewski M.D., a Diagnostic Radiology practising at 3600 Minnesota Dr Ste 800 in Edina, Minnesota. Diagnostic Radiology uses medical imaging (X-ray, CT, MRI, ultrasound, and nuclear medicine) to diagnose disease and injury. William Karczewski M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2012.
Your brand here.
Medicare enrollment
This provider holds 6 Medicare enrollments 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
- I20170713002589Diagnostic RadiologyMI
- I20251217002647Diagnostic RadiologyMN
- I20251217002940Diagnostic RadiologyIL
- I20251222003809Diagnostic RadiologyMT
- I20251231001798Diagnostic RadiologyIA
- I20260128003302Diagnostic RadiologyTX
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 William Karczewski M.D. accepts. To confirm in-network status with your specific health plan, contact William Karczewski M.D. directly at (952) 595-1100.
Frequently asked
Yes. NPI 1275896490 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 (952) 595-1100.
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. William Karczewski M.D. is a Type-1 individual NPI.