Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Michael A Maddaus, MD

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in Minneapolis, MN · enumerated 2006.

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

National Provider Identifier

1568544096

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Registry record

Entity type Individual (Type 1)

Name Dr. Michael A Maddaus

Credential MD

Sex Male

Practice address 424 Harvard Street Se, Suite M100, University of Minnesota Physicians, Minneapolis, MN, 55455

Phone (612) 625-5411

Enumeration date Oct 20, 2006

Last updated in NPPES Sep 11, 2025

Taxonomy & licenses

208600000X Surgery Physician Allopathic & Osteopathic Physicians · License 28178 (MN) Secondary

208G00000X Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician Allopathic & Osteopathic Physicians · License 28178 (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
1977009	Medicaid	IA	-
2T098MA	Other	MN	BLUE CROSS BLUE SHIELD
101564	Other	-	UCARE
30648100	Medicaid	WI	-
768240	Other	-	ARAZ
1009223	Other	-	PREFERREDONE
18-00066	Other	-	MEDICA PRIMARY
18-12353	Other	-	MEDICA CHOICE
HP22187	Other	-	HEALTHPARTNERS

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 Michael Maddaus?

The National Provider Identifier (NPI) for Michael Maddaus is 1568544096, a Type 1 (individual) record in the CMS NPPES registry.

Where does Michael Maddaus practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-09-11.