Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mrs. Jennifer Santillo, LMFT
Counselor in Simi Valley, CA · enumerated 2008.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1811172075
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Registry record
Entity type Individual (Type 1)
Name Mrs. Jennifer Santillo
Credential LMFT
Sex Female
Practice address 3855 Alamo St Ste A, Simi Valley, CA, 93063
Phone (805) 577-2655
Enumeration date Jan 7, 2008
Last updated in NPPES Dec 17, 2021
Taxonomy & licenses
LMFT · Licensed Marriage and Family Therapist: A licensed therapist specializing in relational and family psychotherapy.
About the LMFT credential
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 Jennifer Santillo practice?
The practice location on file with NPPES is in Simi Valley, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Jennifer Santillo?
The National Provider Identifier (NPI) for Jennifer Santillo is 1811172075, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Leticia Delling Marriage & Family Therapist · Simi Valley, CA NPI 1609188374 Rosa Singer Clinical Social Worker · Simi Valley, CA NPI 1366745861 James Pierre Addiction Medicine (Preventive Medicine) Physician · Simi Valley, CA NPI 1003194309 Tristan Sanchez Marriage & Family Therapist · Simi Valley, CA NPI 1700357654 Rachele Catlett Gomez Clinical Social Worker · Simi Valley, CA NPI 1497302236
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-12-17.