1. Home
  2. Directory
  3. California
  4. Los Angeles
  5. Obstetrics Gynecology
  6. NPI Profile

BRIAN JOHN KOOS MD
NPI 1033147913
Obstetrics & Gynecology - Maternal & Fetal Medicine in Los Angeles, CA

Active since June 29, 2006
200 MEDICAL PLAZA, SUITE 430, LOS ANGELES, CA 90095(310) 794-7274 Get Directions Write a Review

NPPES record last updated: February 13, 2015. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Brian John Koos Md NPPES

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

BRIAN JOHN KOOS MD (NPI 1033147913) is an individual maternal & fetal medicine provider in Los Angeles, California, licensed in California (G44129) and active in the NPI registry since June 2006.

NPPES Registry Identity

NPI1033147913
Entity TypeIndividualMale
Primary Taxonomy207VM0101X
Provider Legal NameBRIAN JOHN KOOSCredential: MD
Location Address200 MEDICAL PLAZA, SUITE 430Los Angeles, CA 90095-0001
Mailing Address5767 W Century Blvd, Suite 400Los Angeles, CA 90045-5631 · (310) 794-7274
Phone(310) 794-7274
Sole ProprietorNo
Enumeration DateJune 29, 2006
Last NPPES UpdateFebruary 13, 2015
✔ NPI 1033147913 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & Gynecology · Maternal & Fetal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207VM0101X
License✔ Licensed in CA · G44129
Definition
An obstetrician/gynecologist who cares for, or provides consultation on, patients with complications of pregnancy. This specialist has advanced knowledge of the obstetrical, medical and surgical complications of pregnancy and their effect on both the mother and the fetus. The specialist also possesses expertise in the most current diagnostic and treatment modalities used in the care of patients with complicated pregnancies.
200 MEDICAL PLAZA, Los Angeles, CA 90095
Open in Google Maps ↗

Other Identifiers 2

Medicare PINEM064ZCA
Medicaid00G441290CA

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.

ANJAY RASTOGI MD
Internal Medicine (Nephrology)
200 MEDICAL PLAZA, #365,420,120,530
LOS ANGELES, CA 90095
Los Angeles County (310) 794-9718
ROBERTO BALBINO VARGAS MD
Internal Medicine
200 MEDICAL PLAZA, #365,530,420,120
LOS ANGELES, CA 90095
Los Angeles County (310) 825-6301
MATTHEW ELLIS CONOLLY MD
Internal Medicine
200 MEDICAL PLAZA, #214,365,530,420,120
LOS ANGELES, CA 90095
Los Angeles County (310) 825-9583
TIMOTHY A MILLER MD
Plastic Surgery
200 MEDICAL PLAZA, #465
LOS ANGELES, CA 90095
Los Angeles County (310) 825-5510
RAM RAJ SINGH MD
Internal Medicine (Rheumatology)
200 MEDICAL PLAZA, #365,530,420,120
LOS ANGELES, CA 90095
Los Angeles County (310) 825-6301
MAIE ABDUL-RAHMAN ST JOHN MD
Otolaryngology
200 MEDICAL PLAZA, #550
LOS ANGELES, CA 90095
Los Angeles County (310) 206-6688
HAMID REZA HAJMOMENIAN MD
Internal Medicine (Nephrology)
200 MEDICAL PLAZA, #365,530,420,120
LOS ANGELES, CA 90095
Los Angeles County (310) 319-4371
ANDRE ELIAS NEL MD
Internal Medicine (Allergy & Immunology)
200 MEDICAL PLAZA, #365,530,420,120
LOS ANGELES, CA 90095
Los Angeles County (310) 825-6301

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 Brian Koos's NPI number?

The NPI number for Brian Koos is 1033147913. It was assigned to this individual provider in the NPPES registry on June 29, 2006.

Where is Brian Koos located?

Brian Koos practices at 200 Medical Plaza Suite 430, Los Angeles, CA 90095. The listed phone number is (310) 794-7274.

What is Brian Koos's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Maternal & Fetal Medicine, with taxonomy code 207VM0101X.

When was this NPI record last updated?

The NPPES record for Brian Koos was last updated on February 13, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.