Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Serena Trost
Social Worker in Escondido, CA · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1972643351
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Registry record
Entity type Individual (Type 1)
Name Serena Trost
Sex Female
Practice address 17701 San Pasqual Valley Rd, Escondido, CA, 92025
Phone (761) 741-4300
Enumeration date Feb 7, 2007
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
104100000X Social Worker Behavioral Health & Social Service Providers · License ASW20261 (CA) Primary
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 Serena Trost practice?
The practice location on file with NPPES is in Escondido, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Serena Trost?
The National Provider Identifier (NPI) for Serena Trost is 1972643351, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Sonya Salaita Clinical Social Worker · Escondido, CA NPI 1528113545 Traci Parramore-Chambers Marriage & Family Therapist · Escondido, CA NPI 1013054899 Charlotte Hainsworth Clinical Social Worker · Escondido, CA NPI 1902944010 Kristen Kelleher Counselor · Escondido, CA NPI 1700924818 Beverly Brick Social Worker · Escondido, CA NPI 1003956467 Angie Behnke Marriage & Family Therapist · Escondido, CA NPI 1114067568 Walter Oliwa Marriage & Family Therapist · Escondido, CA NPI 1508906967 Lisa Calbi Social Worker · Escondido, CA NPI 1497895866
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.