Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Robert B Arthur, MD

Family Medicine Physician in Indianapolis, IN · enumerated 2005.

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

National Provider Identifier

1376531798

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Registry record

Entity type Individual (Type 1)

Name Robert B Arthur

Credential MD

Sex Male

Practice address 9650 E Washington St, Ste 100, Indianapolis, IN, 46229

Phone (317) 890-5500

Fax (317) 890-5566

Enumeration date Oct 10, 2005

Last updated in NPPES May 8, 2025

Taxonomy & licenses

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License 01035022 (IN) Secondary

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License 01035022A (IN) 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
100330330	Medicaid	IN	-
000000668234	Other	IN	ANTHEM PTAN

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

What is the NPI number for Robert Arthur?

The National Provider Identifier (NPI) for Robert Arthur is 1376531798, a Type 1 (individual) record in the CMS NPPES registry.

Where does Robert Arthur practice?

The practice location on file with NPPES is in Indianapolis, IN. 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 2025-05-08.