Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Kenneth Dornfeld, MD

Radiation Oncology Physician in Duluth, MN · enumerated 2005.

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

National Provider Identifier

1174524300

Verified

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Registry record

Entity type Individual (Type 1)

Name Kenneth Dornfeld

Credential MD

Sex Male

Practice address 400 East 3rd Street, Duluth, MN, 55805

Phone (218) 786-8364

Enumeration date Aug 10, 2005

Last updated in NPPES May 19, 2011

Taxonomy & licenses

2085R0001X Radiation Oncology Physician Allopathic & Osteopathic Physicians · License 34808 (IA) Secondary

2085R0001X Radiation Oncology Physician Allopathic & Osteopathic Physicians · License 49970 (MN) Primary

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

Other identifiers

Identifier	Type	State	Issuer
679487000	Medicaid	MN	-

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 Kenneth Dornfeld?

The National Provider Identifier (NPI) for Kenneth Dornfeld is 1174524300, a Type 1 (individual) record in the CMS NPPES registry.

Where does Kenneth Dornfeld practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-05-19.