Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ronald P Brennan, MD

Diagnostic Radiology Physician in Greenville, PA · enumerated 2006.

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

National Provider Identifier

1003880303

Verified

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Registry record

Entity type Individual (Type 1)

Name Ronald P Brennan

Credential MD

Sex Male

Practice address 110 N Main St, Greenville, PA, 16125

Phone (724) 588-2100

Enumeration date Feb 14, 2006

Last updated in NPPES Oct 15, 2009

Taxonomy & licenses

2085R0202X Diagnostic Radiology Physician Allopathic & Osteopathic Physicians · License MD040424E (PA) 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
000000354036	Other	OH	BLUE CROSS BLUE SHIELD
0019105660007	Medicaid	PA	-
0701315	Medicaid	OH	-
1402764	Other	PA	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.

Read the full guide → Validate an NPI →

Frequently asked questions

Where does Ronald Brennan practice?

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

What is the NPI number for Ronald Brennan?

The National Provider Identifier (NPI) for Ronald Brennan is 1003880303, 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 2009-10-15.