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MARK HAUSKNECHT
NPI 1386214310
Counselor - Addiction (Substance Use Disorder) in Tarzana, CA

Active since July 01, 2021
18646 OXNARD ST, TARZANA, CA 91356(818) 654-3828 Get Directions Write a Review

NPPES record last updated: July 1, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mark Hausknecht NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARK HAUSKNECHT (NPI 1386214310) is an individual addiction (substance use disorder) provider in Tarzana, California and active in the NPI registry since July 2021.

NPPES Registry Identity

NPI1386214310
Entity TypeIndividualMale
Primary Taxonomy101YA0400X
Provider Legal NameMARK HAUSKNECHT
Location Address18646 OXNARD STTarzana, CA 91356-1411
Mailing Address21606 Devonshire St # 3772Chatsworth, CA 91311-2901 · (310) 591-0912
Phone(818) 654-3828
Sole ProprietorYes
Enumeration DateJuly 1, 2021
NPPES CertifiedJuly 1, 2021
✔ NPI 1386214310 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers
Taxonomy Code101YA0400X
18646 OXNARD ST, Tarzana, CA 91356
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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DEANNA KATHERINE MALEC RN
Registered Nurse (Case Management)
18646 OXNARD ST
TARZANA, CA 91356
Los Angeles County (818) 996-1051
NICOLE MARIAN JOHNSTONE RADT
Counselor (Addiction (Substance Use Disorder))
18646 OXNARD ST
TARZANA, CA 91356
Los Angeles County (818) 654-3950
ARTURO VARGAS
Peer Specialist
18646 OXNARD ST
TARZANA, CA 91356
Los Angeles County (818) 996-1051
DAVID JEROME FISCHER
Peer Specialist
18646 OXNARD ST
TARZANA, CA 91356
Los Angeles County (818) 996-1051
HILDA LOPEZ
Case Manager/Care Coordinator
18646 OXNARD ST
TARZANA, CA 91356
Los Angeles County (818) 654-3850
GREGORY PAUL WALSH
Counselor (Addiction (Substance Use Disorder))
18646 OXNARD ST
TARZANA, CA 91356
Los Angeles County (818) 996-1051
DAVID HEISERMAN
Counselor (Addiction (Substance Use Disorder))
18646 OXNARD ST
TARZANA, CA 91356
Los Angeles County (747) 224-0384
JOSHUA KELLY
Student in an Organized Health Care Education/Training Program
18646 OXNARD ST
TARZANA, CA 91356
Los Angeles County (859) 779-2349

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mark Hausknecht's NPI number?

The NPI number for Mark Hausknecht is 1386214310. It was assigned to this individual provider in the NPPES registry on July 1, 2021.

Where is Mark Hausknecht located?

Mark Hausknecht practices at 18646 Oxnard St, Tarzana, CA 91356. The listed phone number is (818) 654-3828.

What is Mark Hausknecht's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

When was this NPI record last updated?

The NPPES record for Mark Hausknecht was last updated on July 1, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.