Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Louie Marrone
Counselor in San Diego, CA · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1235270984
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Registry record
Entity type Individual (Type 1)
Name Louie Marrone
Sex Male
Practice address 2535 Kettner Blvd Ste 1a4, San Diego, CA, 92101
Phone (619) 615-0701
Fax (619) 615-0705
Enumeration date Feb 8, 2007
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
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 Louie Marrone?
The National Provider Identifier (NPI) for Louie Marrone is 1235270984, a Type 1 (individual) record in the CMS NPPES registry.
Where does Louie Marrone practice?
The practice location on file with NPPES is in San Diego, CA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.