Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Natalie Barnwell
Behavior Analyst in Fairfield, CA · enumerated 2018.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1336656651
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Registry record
Entity type Individual (Type 1)
Name Natalie Barnwell
Sex Female
Practice address 2450 Martin Rd Ste 100, Fairfield, CA, 94534
Phone (855) 223-7123
Enumeration date Jan 8, 2018
Last updated in NPPES Mar 26, 2025
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 Natalie Barnwell practice?
The practice location on file with NPPES is in Fairfield, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Natalie Barnwell?
The National Provider Identifier (NPI) for Natalie Barnwell is 1336656651, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Megan Patton Behavior Analyst · Fairfield, CA NPI 1770028151 Missyanne Sandoval Behavior Analyst · Fairfield, CA NPI 1801331806 Audrey Kitchell Behavior Analyst · Fairfield, CA NPI 1689175994 Justin Augustine Case Manager/Care Coordinator · Fairfield, CA NPI 1346746807 Elena Friio Behavior Analyst · Fairfield, CA NPI 1285103622 Carissa Macias Behavior Analyst · Fairfield, CA NPI 1649740887 Paula Herrera Behavior Analyst · Fairfield, CA NPI 1457907743 Brijida Valencia Addiction (Substance Use Disorder) Counselor · Fairfield, CA NPI 1215560230
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-03-26.