NPI Portal NPI Lookup & Verification

Ann Leventen Derentz, BCBA

Ann Leventen Derentz is a Behavior Analyst provider (Behavior Analyst) practicing in Pleasanton, CA, registered in the NPPES registry with NPI 1891252003 since 2019.

✓ Active NPI ✓ Valid NPI checksum

NPI 1891252003
Entity type Individual (Type 1)
Name Ann Leventen Derentz
Credential BCBA
Sex Female
Practice address 5111 JOHNSON DR, Pleasanton, CA, 94588
Phone 9255967000
Enumeration date 2019-02-24
Last updated in NPPES 2019-02-24

Taxonomy & licenses

Taxonomy code Specialty Primary License State
103K00000X Behavior Analyst Primary 1-18-33706 CA
Copy-ready billing details
Provider: Ann Derentz, BCBA
NPI: 1891252003
Taxonomy: 103K00000X (Behavior Analyst)
Address: 5111 JOHNSON DR, Pleasanton, CA, 94588

Other providers at this practice address

NPI Name Type Specialty Location
1306162219 Mandy Witthar Individual Behavior Technician Pleasanton, CA
1700237898 Liza Courbot Marquie Individual Behavior Analyst Pleasanton, CA
1619476165 Danielle Bagunu Individual Behavior Technician Pleasanton, CA
1326547878 Marjan Fedai Individual Behavior Technician Pleasanton, CA
1730688284 Tingyi Liu Individual Behavior Technician Pleasanton, CA
1598264046 Lavetta Cross Individual Behavior Technician Pleasanton, CA
1164921664 Joshua Lim Individual Behavior Technician Pleasanton, CA
1184123671 James Bautista Individual Behavior Technician Pleasanton, CA

Verify this record

Cross-check NPI 1891252003 against the authoritative CMS record: view Ann Leventen Derentz 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

Where does Ann Derentz practice?
The practice location on file with NPPES is in Pleasanton, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Ann Derentz?
The National Provider Identifier (NPI) for Ann Derentz is 1891252003, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2019-02-24.