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

Jeffrey Louis Slack

Individual provider Marriage & Family Therapist · NPI 1831878271

Jeffrey Louis Slack is a Marriage & Family Therapist in Chino Hills, California. Licensed in California. Registered with an NPI since 2023.

Licensed in
CA
In the registry since
2023

Practice location Address checks out

3608 Steve McQueen Dr
Chino Hills, CA 91709-5455
Phone: (909) 628-1217
Fax: (909) 306-5427
Show map & directions

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

Specialties & licences

Marriage & Family Therapist (primary) Taxonomy 106H00000X (CA)

Record details

NPI number1831878271
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedJuly 13, 2023
Last updated in NPPESOctober 1, 2025
Certification dateOctober 1, 2025

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