Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mr. Ruben Lavarias Frias
Registered Nurse in El Cajon, CA · enumerated 2010.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1225347693
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Registry record
Entity type Individual (Type 1)
Name Mr. Ruben Lavarias Frias
Sex Male
Practice address 510 E Washington Ave, El Cajon, CA, 92020
Phone (619) 440-1211
Enumeration date Oct 1, 2010
Last updated in NPPES Oct 1, 2010
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
Where does Ruben Frias practice?
The practice location on file with NPPES is in El Cajon, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Ruben Frias?
The National Provider Identifier (NPI) for Ruben Frias is 1225347693, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Eldorado Care Center Lp Skilled Nursing Facility · El Cajon, CA NPI 1568484517 Joy Tsai-Li Physical Medicine & Rehabilitation Physician · El Cajon, CA NPI 1609098771 Elmo Gawec Registered Nurse · El Cajon, CA NPI 1548650963 San Diego Bay Holdings LLC Skilled Nursing Facility · El Cajon, CA NPI 1316637333
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-10-01.