Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Annessa Leeann Brock, BCBA
Behavior Analyst in Pasadena, CA · enumerated 2019.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1740845957
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Registry record
Entity type Individual (Type 1)
Name Annessa Leeann Brock
Credential BCBA
Sex Female
Practice address 1055 E Colorado Blvd Ste 560, Pasadena, CA, 91106
Phone (818) 241-6780
Fax (818) 241-6853
Enumeration date May 2, 2019
Last updated in NPPES Aug 30, 2021
Taxonomy & licenses
103K00000X Behavior Analyst Behavioral Health & Social Service Providers · License 52270 (CA) Primary
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 Annessa Brock practice?
The practice location on file with NPPES is in Pasadena, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Annessa Brock?
The National Provider Identifier (NPI) for Annessa Brock is 1740845957, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Isabel Nieto Behavior Technician · Pasadena, CA NPI 1659675759 Rahil Roussos Behavior Analyst · Pasadena, CA NPI 1902178841 Dori Gerges Behavior Technician · Pasadena, CA NPI 1265871891 Lovely Tapuro Behavior Analyst · Pasadena, CA NPI 1023464575 Emely Zamorano Behavior Technician · Pasadena, CA NPI 1356892475 Shivali Singh Behavior Analyst · Pasadena, CA NPI 1861909954 Forreste Lombard Behavior Analyst · Pasadena, CA NPI 1306342340 Lindsay Carter Behavior Technician · Pasadena, CA NPI 1396222600
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-08-30.