Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Chadd James Mcmahon, MD

Vascular & Interventional Radiology Physician in Sartell, MN · enumerated 2007 · practices at Regional Diagnostic Radiology.

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

National Provider Identifier

1972782951

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Registry record

Entity type Individual (Type 1)

Name Mr. Chadd James Mcmahon

Credential MD

Sex Male

Practice address 1990 Connecticut Ave S, Sartell, MN, 56377

Phone (320) 257-5596

Fax (320) 257-5596

Enumeration date Oct 26, 2007

Last updated in NPPES Mar 3, 2016

Taxonomy & licenses

2085R0202X Diagnostic Radiology Physician Allopathic & Osteopathic Physicians · License 55120 (MN) Secondary

2085R0204X Vascular & Interventional Radiology Physician Allopathic & Osteopathic Physicians · License 55120 (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
1972782951	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

Where does Chadd Mcmahon practice?

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

What is the NPI number for Chadd Mcmahon?

The National Provider Identifier (NPI) for Chadd Mcmahon is 1972782951, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-03-03.