Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Brock B O'Neil, MD
Urology Physician in Nashville, TN · enumerated 2009.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1902048630
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Registry record
Entity type Individual (Type 1)
Name Dr. Brock B O'Neil
Credential MD
Sex Male
Practice address A-1302 Medical Ctr N, Nashville, TN, 37232
Phone (615) 322-2101
Enumeration date Mar 26, 2009
Last updated in NPPES Nov 10, 2021
Taxonomy & licenses
208800000X Urology Physician Allopathic & Osteopathic Physicians · License 7771286-1205 (UT) Secondary
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.
Frequently asked questions
What is the NPI number for Brock O'Neil?
The National Provider Identifier (NPI) for Brock O'Neil is 1902048630, a Type 1 (individual) record in the CMS NPPES registry.
Where does Brock O'Neil practice?
The practice location on file with NPPES is in Nashville, TN. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-11-10.