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Dr. Mark Gordon Barnett, MD

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in Cedar Rapids, IA · enumerated 2005.

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

National Provider Identifier

1821096660

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Registry record

Entity type Individual (Type 1)
Name Dr. Mark Gordon Barnett
Credential MD
Sex Male
Practice address 202 10th Street Se, Cedar Rapids, IA, 52403
Phone (319) 362-5118
Fax (319) 364-0574
Enumeration date Jul 13, 2005
Last updated in NPPES Sep 11, 2013

Taxonomy & licenses

2086S0129X Vascular Surgery Physician Allopathic & Osteopathic Physicians · License 29848 (IA) Secondary
208G00000X Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician Allopathic & Osteopathic Physicians · License 29848 (IA) 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
1108258 Medicaid IA -
56501 Other IA BLUE CROSS/BLUE SHIELD

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 Mark Barnett?
The National Provider Identifier (NPI) for Mark Barnett is 1821096660, a Type 1 (individual) record in the CMS NPPES registry.
Where does Mark Barnett practice?
The practice location on file with NPPES is in Cedar Rapids, IA. 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 2013-09-11.