Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

George Marcus, M.D.

Diagnostic Radiology Physician in Owatonna, MN · enumerated 2005 · practices at Urology Associates, Ltd..

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

National Provider Identifier

1851377162

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Registry record

Entity type Individual (Type 1)

Name George Marcus

Credential M.D.

Sex Male

Practice address 134 Southview St, Owatonna, MN, 55060

Phone (507) 451-1120

Fax (507) 444-6287

Enumeration date Dec 19, 2005

Last updated in NPPES Oct 28, 2008

Taxonomy & licenses

2085R0202X Diagnostic Radiology Physician Allopathic & Osteopathic Physicians · License 43203 (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
300004181	Other	MN	MEDICARE - OWATONNA
300112816	Other	MN	MEDICARE RAILROAD
116625500	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 George Marcus?

The National Provider Identifier (NPI) for George Marcus is 1851377162, a Type 1 (individual) record in the CMS NPPES registry.

Where does George Marcus practice?

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

Other providers at this practice address

Browse all →

Cline Hickok Obstetrics & Gynecology Physician · Owatonna, MN NPI 1356301006 Gerard O'Halloran Otolaryngology Physician · Owatonna, MN NPI 1184684839 Henry Krahn Urology Physician · Owatonna, MN NPI 1619937364 Mary Akinyemi Emergency Medicine Physician · Owatonna, MN NPI 1518927268 Catherine Glovka Registered Dietitian · Owatonna, MN NPI 1215997721 Diane Schoeneman Family Medicine Physician · Owatonna, MN NPI 1548221757 Gregory Jones Otolaryngology Physician · Owatonna, MN NPI 1427019637 Joan Queen Nurse Practitioner · Owatonna, MN NPI 1942261151

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-10-28.