Mathieu Castonguay MD
About this NPIWhat this record shows.
NPI 1023397361 is registered to Mathieu Castonguay MD, a Clinical Pathology/Laboratory Medicine Physician practising at 200 1st St Sw in Rochester, Minnesota. Clinical Pathology/Laboratory Medicine Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Mathieu Castonguay MD has been enumerated in the National Provider Identifier (NPI) registry since 2011.
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
- ENROLLEDMN
Source: NPPES public registry.
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 Mathieu Castonguay MD accepts. To confirm in-network status with your specific health plan, contact Mathieu Castonguay MD directly at (507) 284-2511.
Frequently asked
Yes. NPI 1023397361 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Clinical Pathology/Laboratory Medicine 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 (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. Mathieu Castonguay MD is a Type-1 individual NPI.