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Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

AARON HILLMAN
NPI 1497668818
Counselor - Addiction (Substance Use Disorder) in Tarzana, CA

Active since September 25, 2026
18646 OXNARD ST, TARZANA, CA 91356(818) 996-1051 Get Directions Write a Review

NPPES record added: September 25, 2026. Verified against the NPPES registry weekly; last sync: September 27, 2026.

About Aaron Hillman NPPES

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

AARON HILLMAN (NPI 1497668818) is an individual addiction (substance use disorder) provider in Tarzana, California, licensed in California (16886) and active in the NPI registry since September 2026.

NPPES Registry Identity

NPI1497668818
Entity TypeIndividualMale
Primary Taxonomy101YA0400X
Provider Legal NameAARON HILLMAN
Location Address18646 OXNARD STTarzana, CA 91356-1411
Mailing Address18646 Oxnard StTarzana, CA 91356-1411 · (818) 996-1051
Phone(818) 996-1051
Sole ProprietorNo
Enumeration DateSeptember 25, 2026
NPPES CertifiedSeptember 25, 2026
✔ NPI 1497668818 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 · 16886
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
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
SHAWNA ROSE GLUCK
Peer Specialist
18646 OXNARD ST
TARZANA, CA 91356
Los Angeles County (181) 899-6105

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 Aaron Hillman's NPI number?

The NPI number for Aaron Hillman is 1497668818. It was assigned to this individual provider in the NPPES registry on September 25, 2026.

Where is Aaron Hillman located?

Aaron Hillman practices at 18646 Oxnard St, Tarzana, CA 91356. The listed phone number is (818) 996-1051.

What is Aaron Hillman'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 Aaron Hillman was last updated on September 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 days 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.