Summary

Dr. Brian Koos is an obstetrician and gynecologist who specializes in maternal and fetal medicine, providing comprehensive care for women during pregnancy and childbirth. He earned his medical degree from Loma Linda University School of Medicine and completed his residency training at Brigham & Women's Hospital. With 52 years of clinical experience, Dr. Koos brings extensive knowledge to complex pregnancy cases and high-risk maternal care. He is fluent in both Spanish and English.

Dr. Koos practices at Ronald Reagan University of California Los Angeles Medical Center and UCLA Santa Monica Medical Center in Santa Monica and Los Angeles, California. His expertise focuses on managing conditions such as chronic sinusitis, sinus headaches, and sinusitis that can affect pregnant patients. Patients have given him an average rating of 3.1 on Vitals. Through his maternal-fetal medicine specialty, he provides specialized monitoring and care for mothers and babies facing complex medical situations during pregnancy.
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Overview based on verified provider data

Quick Facts

  • 3.1
  • 52 years of experience
  • speaks Spanish, English
  • Brigham & Womens Hospital
  • 6 written reviews
  • 2 specialties
  • 11 areas of expertise
  • 2 board certifications
  • 2 hospital affiliations
  • 2 office locations
  • Male

Patients’ Perspective

  • Flexible scheduling

Office Locations

Dr. Brian John Koos has 2 locations

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Dr. Brian John Koos, MDDr. Tristan E Bickman, MDDr. Shawanda Renee Obey, MDDr. Ingrid Anne Rodi, MD
Obstetrics & GynecologyObstetrics & GynecologyObstetrics & GynecologyObstetrics & Gynecology
Accepts New Patients Accepts New Patients Accepts New Patients
3.1 
4.7 
52 Years of Experience 31 Years of Experience 26 Years of Experience 47 Years of Experience
No Virtual Visit Option No Virtual Visit Option Virtual Visit Available Virtual Visit Available
Speaks Spanish, English Speaks English, Spanish Speaks English Speaks English, Portuguese, German
Santa Monica , CASanta Monica , CARancho Cucamonga , CALos Angeles , CA
Med School: Loma Linda University School Of Medicine Med School: Keck School Of Medicine Of The University Of Southern California Med School: Texas Tech University Health Science Center School Of Medicine Med School: Warren Alpert Medical School Of Brown University
Current Profile
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Insurance Plans Accepted by Dr. Brian John Koos

Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.

Medical Specialties

Dr. Brian John Koos has the following 2 specialties

Specialty Expertise

Dr. Brian John Koos has the following 11 areas of expertise

  • Amniocentesis (Amniotic Fluid Test--AFT)
  • Clinical Research
  • Fetal Diseases
  • Fetal Version
  • Genetics
  • Heart Diseases
  • High Risk Pregnancy
  • Maternal & Fetal Medicine
  • Obstetrics
  • Pregnancy Complications
  • Pregnancy Complications, Cardiovascular

Certifications, License, & Education

52 Years Experience

Dr. Brian John Koos holds an expired medical license in the state of California.

Medical License

Medical Doctor with an expired medical license in the state of California that expired in 2026.

Education & Training

Residency

Completed their residency at Brigham & Womens Hospital.

Medical School

Graduated from Loma Linda University School Of Medicine in 1974.

NPI Number

Dr. Koos' NPI number is 1033147913.

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Frequently Asked Questions

How can I make an appointment with Dr. Brian Koos?
You can find contact information for Dr. Brian Koos here on Vitals.
Is Dr. Brian Koos accepting new patients?
Dr. Brian Koos has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Does Dr. Brian Koos accept my insurance?
You can see the insurance plans that Dr. Brian Koos accepts on their Vitals profile.
Which hospitals is Dr. Brian Koos affiliated with?
Dr. Brian Koos is affiliated with Ronald Reagan University Of California Los Angeles Medical Center and Ucla Santa Monica Medical Center.
What languages does Dr. Brian Koos speak?
Dr. Brian Koos speaks Spanish and English.

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