Eric Williamson M.D.
About this NPIWhat this record shows.
NPI 1881666022 is registered to Eric Williamson M.D., a Diagnostic Radiology practising at 200 1st St Sw in Rochester, Minnesota. Diagnostic Radiology uses medical imaging (X-ray, CT, MRI, ultrasound, and nuclear medicine) to diagnose disease and injury. Eric Williamson M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2006.
Your brand here.
Secondary identifiers
Additional identifiers this provider has registered with NPPES. Used by medical billers, credentialers, and insurance verifiers to cross-reference claims and enrollments.
Medicaid
Source: NPPES public registry.
Medicare enrollment
This provider holds 2 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
- I20040518000796Diagnostic RadiologyMN
- I20250407003564Diagnostic RadiologyWI
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 Eric Williamson M.D. accepts. To confirm in-network status with your specific health plan, contact Eric Williamson M.D. directly at (507) 284-2511.
Frequently asked
Yes. NPI 1881666022 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 (507) 284-2511.
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. Eric Williamson M.D. is a Type-1 individual NPI.