NPI Portal NPI Lookup & Verification

Caitlin Ryan Marcus, BCBA

Caitlin Ryan Marcus is a Behavior Analyst provider (Behavior Analyst) practicing in Sherman Oaks, CA, registered in the NPPES registry with NPI 1154749018 since 2014.

✓ Active NPI ✓ Valid NPI checksum

NPI 1154749018
Entity type Individual (Type 1)
Name Caitlin Ryan Marcus
Credential BCBA
Sex Female
Practice address 13440 VENTURA BLVD, STE 200, Sherman Oaks, CA, 91423
Phone 8184420921
Enumeration date 2014-03-28
Last updated in NPPES 2016-01-04

Taxonomy & licenses

Taxonomy code Specialty Primary License State
103K00000X Behavior Analyst Primary BCBA: 1-14-15593 CA

Other identifiers

Identifier Type State Issuer
12670630 Other CA CAQH
Copy-ready billing details
Provider: Caitlin Ryan Marcus, BCBA
NPI: 1154749018
Taxonomy: 103K00000X (Behavior Analyst)
Address: 13440 VENTURA BLVD, STE 200, Sherman Oaks, CA, 91423

Other providers at this practice address

NPI Name Type Specialty Location
1578804852 Amanda Grummon Individual Behavior Analyst Sherman Oaks, CA
1295274751 Teresa Williams Individual Behavior Technician Sherman Oaks, CA
1396284741 Maliha Mehrzai Individual Behavior Technician Sherman Oaks, CA
1720528052 Maria Cheenky Navarro Individual Other Technician Sherman Oaks, CA
1447790589 Jose Rodriguez Individual Other Technician Sherman Oaks, CA
1962934331 Breanne Turner Individual Behavior Technician Sherman Oaks, CA
1235000373 Alissa Schwartz Individual Behavior Technician Sherman Oaks, CA

Verify this record

Cross-check NPI 1154749018 against the authoritative CMS record: view Caitlin Ryan Marcus on the official NPPES registry .

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. Read the full guide or validate an NPI number.

Frequently asked questions

What is the NPI number for Caitlin Ryan Marcus?
The National Provider Identifier (NPI) for Caitlin Ryan Marcus is 1154749018, a Type 1 (individual) record in the CMS NPPES registry.
Where does Caitlin Ryan Marcus practice?
The practice location on file with NPPES is in Sherman Oaks, CA. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2016-01-04.