Dr. John Koh, MD

Dr. John Koh, MD

Obstetrics & Gynecology  ·  
Male  ·  
Age 74
Dr. John Koh, MD is an obstetrics & gynecology specialist in Simi Valley, CA and has been practicing for 41 years. He graduated from Yonsei U, Seoul in 1968 and specializes in obstetrics & gynecology.

1147 Red Tail Way

Simi Valley, CA 93065

Contact Information

Insurance Accepted

  • Aetna
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of California
  • Blue Shield of California
  • Cigna
  • MultiPlan

*Please verify this information when scheduling an appointment.

Learn about Dr. Koh

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Top Care Areas

See how frequently Dr. Koh performs your care needs compared to other doctors.

more than 82% of peers
HIV (Human Immunodeficiency Virus)
more than 80% of peers
Vaginitis and-or Vaginosis
more than 80% of peers

Dr. Koh's percentages are based on the rate of treatment compared to peers nationwide from insurance data. Learn more info about our data and this Top Care Areas component.

1  Specialties

  • Obstetrics & Gynecology

1  Board Certifications

  • Obstetrics & Gynecology
    Accredited by: American Board of Obstetrics & Gynecology*

31  Conditions Treated

7  Procedures

  • Birth Control
  • Colposcopy
  • Fecal Occult Blood Test for Colorectal Cancer
  • Osteoporosis Screening
  • Pap Smear
  • Pregnancy Test
  • Pregnancy Ultrasound

Background Check

0 Malpractice Claims

No malpractice history found for California.

0 Sanctions

No sanctions history found for the years that Healthgrades collects data.

0 Board Actions

No board actions found for the years that Healthgrades collects data.


  • Yonsei U, Seoul
    Medical School | Graduated 1968
  • Long Island College Hospital
    Internship Hospital | Completed 1972
  • Long Island College Hospital
    Residency Hospital | Completed 1977
  • S U N Y Upstate Medical University Hospital
    Fellowship Hospital | Completed 1977

Awards & Recognition

Awards & Honors
  • Healthgrades Honor Roll
Media & Publications

Dr. Koh has no media or publications listed.

Languages Spoken

  • English
  • Korean

Memberships & Professional Affiliations

Dr. Koh does not have any memberships or affiliations listed. If you are Dr. Koh and would like to add memberships or affiliations, please update your profile.

Dr. Koh's Reviews

Likelihood of recommending Dr. Koh to family and friends
3 total reviews

Likelihood to Recommend (3)

  • 5
  • 4
  • 3
  • 2
  • 1

Dr. Koh's Performance

  • Trustworthiness

  • Explains condition(s) well

  • Answers questions

  • Time well spent


Office & Staff Performance

  • Scheduling

  • Office environment

  • Staff friendliness

  • Average wait time

    16 to 30 minutes
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