Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Matthew K Tollefson, M.D.

Urology Physician in Rochester, MN · enumerated 2006.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1316927114

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Registry record

Entity type Individual (Type 1)

Name Matthew K Tollefson

Credential M.D.

Sex Male

Practice address 200 1st St Sw, Rochester, MN, 55905

Phone (507) 284-2511

Enumeration date Jan 18, 2006

Last updated in NPPES Aug 21, 2020

Taxonomy & licenses

208800000X Urology Physician Allopathic & Osteopathic Physicians · License 46881 (MN) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Matthew Tollefson?

The National Provider Identifier (NPI) for Matthew Tollefson is 1316927114, a Type 1 (individual) record in the CMS NPPES registry.

Where does Matthew Tollefson practice?

The practice location on file with NPPES is in Rochester, MN. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-08-21.