Dr. Brian John Koos MD is a male Obstetrician & Gynecologist, has 36 years of experience and practices in Maternal & Fetal Medicine.
Video profile
Dr. Brian Koos has 3 office locations.
UCLA Medical Center
10833 Le Conte Ave
Los Angeles, CA 90095

Phone Number
Locations and availability (3)
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Patient Reviews

  • Currently 2 of 4 stars
Patient comments (5)

The overall average patient rating of Dr. Brian Koos is Satisfactory. Dr. Koos has been reviewed by 9 patients who have provided 5 comments. The rating is 2 out of 4 stars.

Patient Ratings
Ease of Appointment 2.5
  • Currently 2.5 of 4 stars
Promptness 2.1
  • Currently 2.1428571428571 of 4 stars
Courteous Staff 2.0
  • Currently 2 of 4 stars
Accurate Diagnosis 1.9
  • Currently 1.875 of 4 stars
Bedside Manner 1.6
  • Currently 1.625 of 4 stars
Spends Time with Me 1.8
  • Currently 1.75 of 4 stars
Follows Up After Visit 1.7
  • Currently 1.7142857142857 of 4 stars

Specialties & Research

Dr. Brian Koos, MD is board certified in Maternal & Fetal Medicine.

  • He has special expertise in 12 areas:
  • Amniocentesis (Amniotic Fluid Test--AFT)
  • Clinical Research
  • Fetal Diseases
  • Fetal Version
  • Genetics
  • Heart Diseases
  • High Risk Pregnancy
  • Hot Flashes
  • Menopause
  • Obstetrics
  • Pregnancy Complications
  • Pregnancy Complications

Education & Awards

Dr. Koos graduated from Loma Linda University. He has 1 awards.

Castle Connolly America's Top Doctors® (2002 - 2008, 2010 - 2014)


Dr. Koos has 4 hospital affiliations:

  • Mercy Hospital 
  • UCLA Medical Center 


  • Spanish

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Additional Information
Where does Dr. Brian J. Koos practice?
Dr. Brian Koos practices Maternal & Fetal Medicine near Los Angeles, CA.
See Los Angeles Obstetricians & Gynecologists.