Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

MARC FORREST D.O.
NPI 1801873070
General Practice in Calabasas, CA

Active since December 28, 2005
23622 CALABASAS RD, STE 250, CALABASAS, CA 91302(818) 591-3435 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Marc Forrest D.o. NPPES

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

MARC FORREST D.O. (NPI 1801873070) is an individual general practice provider in Calabasas, California, licensed in California (20A7880) and active in the NPI registry since December 2005.

NPPES Registry Identity

NPI1801873070
Entity TypeIndividualMale
Primary Taxonomy208D00000X
Provider Legal NameMARC FORRESTCredential: D.O.
Location Address23622 CALABASAS RD, STE 250Calabasas, CA 91302-1549
Mailing Address23622 Calabasas Rd, Ste 250Calabasas, CA 91302-1549 · (818) 591-3435
Sole ProprietorNo
Enumeration DateDecember 28, 2005
Last NPPES UpdateJuly 13, 2026
NPI 1801873070 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyGeneral PracticeAllopathic & Osteopathic Physicians
Taxonomy Code208D00000X
License Licensed in CA · 20A7880
Definition

A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions. Source: National Uniform Claim Committee

23622 CALABASAS RD, Calabasas, CA 91302

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.

General Practice
23622 CALABASAS RD, STE 250
CALABASAS, CA 91302
General Practice
23622 CALABASAS RD, STE 250
CALABASAS, CA 91302
General Practice
23622 CALABASAS RD, STE 250
CALABASAS, CA 91302
General Practice
23622 CALABASAS RD, STE 250
CALABASAS, CA 91302
General Practice
23622 CALABASAS RD, SUITE 349
CALABASAS, CA 91302
Psychiatry & Neurology (Psychiatry)
23622 CALABASAS RD, #301
CALABASAS, CA 91302
General Practice
23622 CALABASAS RD, STE 250
CALABASAS, CA 91302
Psychologist
23622 CALABASAS RD, SUITE 151
CALABASAS, CA 91302

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 Marc Forrest's NPI number?

The NPI number for Marc Forrest is 1801873070. It was assigned to this individual provider in the NPPES registry on December 28, 2005.

Where is Marc Forrest located?

Marc Forrest practices at 23622 Calabasas Rd Ste 250, Calabasas, CA 91302. The listed phone number is (818) 591-3435.

What is Marc Forrest's specialty?

The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.

When was this NPI record last updated?

The NPPES record for Marc Forrest was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.