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

Mr. Louis Peter Knaapen

Individual provider Marriage & Family Therapist · NPI 1417445446

Mr. Louis Peter Knaapen is a Marriage & Family Therapist in Chatsworth, California. Registered with an NPI since 2018.

In the registry since
2018

Practice location Address checks out

21000 Plummer St
Chatsworth, CA 91311-4903
Phone: (818) 882-6400
Show map & directions

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

Specialties & licences

Marriage & Family Therapist (primary) Taxonomy 106H00000X

Record details

NPI number1417445446
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedApril 25, 2018
Last updated in NPPESApril 25, 2018

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