Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Sarah Watson
Behavior Analyst in Ontario, CA · enumerated 2016.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1235582651
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Registry record
Entity type Individual (Type 1)
Name Sarah Watson
Sex Female
Practice address 337 N Vineyard Ave, Ontario, CA, 91764
Phone (866) 727-8274
Enumeration date Jul 20, 2016
Last updated in NPPES Jul 20, 2016
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 Sarah Watson practice?
The practice location on file with NPPES is in Ontario, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Sarah Watson?
The National Provider Identifier (NPI) for Sarah Watson is 1235582651, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Imhotep, Inc. Home Health Agency · Ontario, CA NPI 1134528342 All Adl Care LLC Respite Care · Ontario, CA NPI 1437532041 Cristina Aceves Behavior Analyst · Ontario, CA NPI 1396198040 Evelia Ayala Behavior Analyst · Ontario, CA NPI 1174976575 Samantha Vogelsang Behavior Analyst · Ontario, CA NPI 1104379098 Yesica Perez De Mora Behavior Analyst · Ontario, CA NPI 1376096073 Elizabeth Rodriguez-Reyes Behavior Technician · Ontario, CA NPI 1184405896
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-07-20.