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Nicholas C Mahr, MD

Cardiovascular Disease Physician in Bismarck, ND · enumerated 2006.

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

National Provider Identifier

1003923780

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Registry record

Entity type Individual (Type 1)
Name Nicholas C Mahr
Credential MD
Sex Male
Practice address 310 N 10th Street, Bismarck, ND, 58501
Phone (701) 530-7500
Fax (701) 530-7484
Enumeration date Aug 25, 2006
Last updated in NPPES May 25, 2011

Taxonomy & licenses

207RC0000X Cardiovascular Disease Physician Allopathic & Osteopathic Physicians · License LT10359 (ND) Secondary
207RC0000X Cardiovascular Disease Physician Allopathic & Osteopathic Physicians · License 10359 (ND) 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
13910 Medicaid ND -

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 Nicholas Mahr?
The National Provider Identifier (NPI) for Nicholas Mahr is 1003923780, a Type 1 (individual) record in the CMS NPPES registry.
Where does Nicholas Mahr practice?
The practice location on file with NPPES is in Bismarck, ND. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-05-25.