Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Robert J Rust, M.D.

Diagnostic Radiology Physician in South Bend, IN · enumerated 2006.

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

National Provider Identifier

1750337101

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Registry record

Entity type Individual (Type 1)

Name Dr. Robert J Rust

Credential M.D.

Sex Male

Practice address 121 S Saint Louis Blvd, South Bend, IN, 46617

Phone (574) 233-3123

Fax (574) 233-3125

Enumeration date May 26, 2006

Last updated in NPPES Dec 7, 2007

Taxonomy & licenses

2085R0202X Diagnostic Radiology Physician Allopathic & Osteopathic Physicians · License 01030841A (IN) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

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

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

What specialty is Robert Rust?

Robert Rust is registered in NPPES with the primary taxonomy of Diagnostic Radiology Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-12-07.