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

William Liebman

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1619751203

William Liebman is an Addiction (Substance Use Disorder) Counselor in Sylmar, California. Licensed in California. Registered with an NPI since 2023.

Licensed in
CA
In the registry since
2023

Practice location Address checks out

11600 Eldridge Ave
Sylmar, CA 91342-6506
Phone: (818) 686-3000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Addiction (Substance Use Disorder) Counselor (primary) Taxonomy 101YA0400X · Licence R1513280723 (CA)

Record details

NPI number1619751203
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedAugust 23, 2023
Last updated in NPPESAugust 23, 2023
Certification dateAugust 23, 2023
Mailing address11600 Eldridge Ave, Sylmar, CA 91342-6506

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