NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Matthew James Schaefer, MD

Diagnostic Radiology Physician in Mankato, MN · enumerated 2007.

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

National Provider Identifier

1649324690

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Registry record

Entity type Individual (Type 1)
Name Matthew James Schaefer
Credential MD
Sex Male
Practice address Mankato, MN, 56002
Enumeration date Jan 23, 2007
Last updated in NPPES Sep 18, 2020

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

2085R0202X Diagnostic Radiology Physician Allopathic & Osteopathic Physicians · License 49229 (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
300004171 Other MN MEDICARE
6G898SC Other MN BLUE CROSS BLUE SHIELD
16-04888 Other MN MEDICA
HP78222 Other MN HEALTH PARTNERS
1649324690 Other MN AMERICA'S PPO
960371050961 Other MN PREFERRED ONE
300004172 Other MN MEDICARE
258140100 Medicaid MN -
P00437110 Other MN MEDICARE - RAILROAD
134332 Other MN UCARE
34787800 Medicaid WI -

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.

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Frequently asked questions

What is the NPI number for Matthew Schaefer?
The National Provider Identifier (NPI) for Matthew Schaefer is 1649324690, a Type 1 (individual) record in the CMS NPPES registry.
Where does Matthew Schaefer practice?
The practice location on file with NPPES is in Mankato, 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 2020-09-18.