Mr. Matthew Nierengarten APRN, Cnp
About this NPIWhat this record shows.
NPI 1477317675 is registered to Mr. Matthew Nierengarten APRN, Cnp, a Critical Care Medicine Nurse Practitioner practising at 400 E 3rd St in Duluth, Minnesota. Critical Care Medicine Nurse Practitioner is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Mr. Matthew Nierengarten APRN, Cnp has been enumerated in the National Provider Identifier (NPI) registry since 2024.
Your brand here.
Medicare enrollment
This provider holds a Medicare enrollment 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
- I20240529003453Nurse PractitionerMN
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 Mr. Matthew Nierengarten APRN, Cnp accepts. To confirm in-network status with your specific health plan, contact Mr. Matthew Nierengarten APRN, Cnp directly at (218) 786-8364.
Frequently asked
Yes. NPI 1477317675 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Critical Care Medicine Nurse Practitioner 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 (218) 786-8364.
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. Mr. Matthew Nierengarten APRN, Cnp is a Type-1 individual NPI.