Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Ryan Luis Diaz, A.A. DEGREE
Behavior Analyst in Riverside, CA · enumerated 2013.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1841630621
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Ryan Luis Diaz
Credential A.A. DEGREE
Sex Male
Practice address 4500 Riverwalk Pkwy, Riverside, CA, 92505
Phone (951) 333-9747
Enumeration date Jun 26, 2013
Last updated in NPPES Jan 12, 2014
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 Ryan Diaz practice?
The practice location on file with NPPES is in Riverside, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Ryan Diaz?
The National Provider Identifier (NPI) for Ryan Diaz is 1841630621, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → La Sierra University Health Clinic Specialist · Riverside, CA NPI 1538245675 Brian Murphy Athletic Trainer · Riverside, CA NPI 1679624837 Melvin Quan Family Medicine Physician · Riverside, CA NPI 1083760425 La Sierra University Student Health Services Health Service Clinic/Center · Riverside, CA NPI 1356671804
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-01-12.