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DAVID HEISERMAN
NPI 1023585247
Counselor - Addiction (Substance Use Disorder) in Tarzana, CA

Active since October 25, 2018
18646 OXNARD ST, TARZANA, CA 91356(747) 224-0384(818) 960-4087 Get Directions Write a Review

NPPES record last updated: March 24, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Mar 24, 2025, Oct 25, 2018 (2 updates tracked since 2018).

About David Heiserman NPPES

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

DAVID HEISERMAN (NPI 1023585247) is an individual addiction (substance use disorder) provider in Tarzana, California, licensed in California (1691301) and active in the NPI registry since October 2018.

NPPES Registry Identity

NPI1023585247
Entity TypeIndividualMale
Primary Taxonomy101YA0400X
Provider Legal NameDAVID HEISERMAN
Location Address18646 OXNARD STTarzana, CA 91356
Mailing Address18646 Oxnard StTarzana, CA 91356 · (818) 996-1051
Phone(747) 224-0384
Fax(818) 960-4087
Sole ProprietorYes
Enumeration DateOctober 25, 2018
Last NPPES UpdateMarch 24, 20252 updates tracked since enumeration
NPPES CertifiedMarch 24, 2025
✔ NPI 1023585247 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
License✔ Licensed in CA · 1691301
18646 OXNARD ST, Tarzana, CA 91356
Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

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.

ANN MARIE VAVRA PA-C
Physician Assistant (Medical)
18646 OXNARD ST
TARZANA, CA 91356
Los Angeles County (818) 996-1051
ATORINA W. BENJAMIN M.A.
Student in an Organized Health Care Education/Training Program
18646 OXNARD ST
TARZANA, CA 91356
Los Angeles County (818) 996-1051
DR. AJANI P NIMMAGADDA M.D.
Internal Medicine (Infectious Disease)
18646 OXNARD ST
TARZANA, CA 91356
Los Angeles County (818) 996-1051
MS. DONNA J RIOS PA-C
Physician Assistant (Medical)
18646 OXNARD ST
TARZANA, CA 91356
Los Angeles County (818) 996-1051
MS. MELANIE A COLEMAN LMFT
Marriage & Family Therapist
18646 OXNARD ST
TARZANA, CA 91356
Los Angeles County (818) 996-1051
DR. KENNETH MARK BACHRACH PH.D.
Psychologist (Clinical)
18646 OXNARD ST
TARZANA, CA 91356
Los Angeles County (818) 654-3806
MR. MICHAEL UDO D'AGOSTIN PSYD
Psychologist (Counseling)
18646 OXNARD ST
TARZANA, CA 91356
Los Angeles County (818) 654-3845
ROBERT T SHMAEFF MPA
Pharmacist
18646 OXNARD ST
TARZANA, CA 91356
Los Angeles County (818) 996-1051

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 David Heiserman's NPI number?

The NPI number for David Heiserman is 1023585247. It was assigned to this individual provider in the NPPES registry on October 25, 2018.

Where is David Heiserman located?

David Heiserman practices at 18646 Oxnard St, Tarzana, CA 91356. The listed phone number is (747) 224-0384.

What is David Heiserman'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 David Heiserman was last updated on March 24, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.