Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Leslie C De Marcos

Individual provider Behavior Technician · NPI 1790440923

Leslie C De Marcos is a Behavior Technician in Long Beach, California. Licensed in California. Registered with an NPI since 2021.

Licensed in
CA
In the registry since
2021
Specialties on file
2

Practice location Address checks out

3210 Long Beach Blvd
Long Beach, CA 90807-5062
Phone: (562) 548-6500
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Marriage & Family Therapist (primary) Taxonomy 106H00000X · Licence AMFT159209 (CA)
Behavior Technician Taxonomy 106S00000X

Record details

NPI number1790440923
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedNovember 2, 2021
Last updated in NPPESMay 5, 2026
Certification dateMay 5, 2026
Mailing address3210 Long Beach Blvd, Long Beach, CA 90807-5062

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