NPI Portal NPI Lookup & Verification

Yesenia Sierra I

Yesenia Sierra I is a Behavior Analyst provider (Behavior Analyst) practicing in Petaluma, CA, registered in the NPPES registry with NPI 1780242891 since 2019.

✓ Active NPI ✓ Valid NPI checksum Sole proprietor

NPI 1780242891
Entity type Individual (Type 1)
Name Yesenia Sierra I
Sex Female
Practice address Petaluma, CA, 94952
Phone 8662062008
Enumeration date 2019-06-04
Last updated in NPPES 2019-06-18

Street address withheld — NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

Taxonomy code Specialty Primary License State
103K00000X Behavior Analyst Primary
Copy-ready billing details
Provider: Yesenia Sierra
NPI: 1780242891
Taxonomy: 103K00000X (Behavior Analyst)
Address: Petaluma, CA, 94952

Other providers at this practice address

NPI Name Type Specialty Location
1457737074 Katey Marin Individual Student in an Organized Health Care Education/Training Program Petaluma, CA
1154834695 Stephen Omondi Individual Behavior Technician Petaluma, CA
1346740834 Aroose Ahmad Individual Behavior Technician Petaluma, CA
1609376110 Janessa Canilao Individual Behavior Technician Petaluma, CA
1962903401 Pool Quinatana Individual Behavior Technician Petaluma, CA
1902307416 Heather Caldwell Individual Behavior Technician Petaluma, CA
1821598343 Danielle Davis Individual Behavior Technician Petaluma, CA
1700387255 Bernice Hidalgo Individual Behavior Technician Petaluma, CA

Verify this record

Cross-check NPI 1780242891 against the authoritative CMS record: view Yesenia Sierra I 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 Yesenia Sierra practice?
The practice location on file with NPPES is in Petaluma, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Yesenia Sierra?
The National Provider Identifier (NPI) for Yesenia Sierra is 1780242891, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2019-06-18.