4.7
14 Ratings with 3 written Reviews
Summary
Dr. John Koh is an obstetrician and gynecologist with 58 years of experience providing comprehensive women's healthcare. He earned his medical degree from Yonsei University College of Medicine and completed his residency at SUNY Health Science Center. Dr. Koh is fluent in English, Korean, and Spanish, allowing him to serve diverse communities throughout his extensive career.
Dr. Koh practices at Los Robles Hospital and Medical Center in Thousand Oaks, California, and maintains affiliations with Adventist Health Simi Valley. He specializes in treating benign breast conditions, including breast cysts and dense breast tissue. His expertise includes advanced breast cancer screening techniques and specialized imaging procedures like digital breast tomosynthesis. Patients consistently rate Dr. Koh highly for his care, giving him an average rating of 4.7.
Dr. Koh practices at Los Robles Hospital and Medical Center in Thousand Oaks, California, and maintains affiliations with Adventist Health Simi Valley. He specializes in treating benign breast conditions, including breast cysts and dense breast tissue. His expertise includes advanced breast cancer screening techniques and specialized imaging procedures like digital breast tomosynthesis. Patients consistently rate Dr. Koh highly for his care, giving him an average rating of 4.7.
Overview based on verified provider data
Quick Facts
- 58 years of experience
- 15 insurance plans accepted
- speaks English, Korean, Spanish
- Suny Health Science Center
- 3 written reviews
- 1 specialty
- 12 areas of expertise
- 1 hospital affiliation
- 1 office location
- Male
Patients’ Perspective
- Gave an accurate diagnosis
- Had a good bedside manner
- Spent time with me
Based on patient feedback. Read the reviews
Office Location
Compare with Similar Doctors
 |  |  |  |
| Dr. John J Koh, MD | Dr. Ashim Kumar, MD | Dr. Shawanda Renee Obey, MD | Dr. Ingrid Anne Rodi, MD |
| Obstetrics & Gynecology | Obstetrics & Gynecology | Obstetrics & Gynecology | Obstetrics & Gynecology |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | |
| 58 Years of Experience | 28 Years of Experience | 26 Years of Experience | 47 Years of Experience |
| No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available | Virtual Visit Available |
| Speaks English, Korean, Spanish | Speaks English, Hindi, Punjabi | Speaks English | Speaks English, Portuguese, German |
| Thousand Oaks , CA | Encino , CA | Rancho Cucamonga , CA | Los Angeles , CA |
| Med School: Yonsei University College Of Medicine | Med School: Emory University | Med School: Texas Tech University Health Science Center School Of Medicine | Med School: Warren Alpert Medical School Of Brown University |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. John J Koh
Medical Specialties
Dr. John J Koh has the following specialty
Specialty Expertise
Dr. John J Koh has the following 12 areas of expertise
Certifications, License, & Education
58 Years Experience
Education & Training
Residency
Completed their residency at Suny Health Science Center.
Medical School
Graduated from Yonsei University College Of Medicine in 1968.
NPI Number
Dr. Koh's NPI number is 1841283009.
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Frequently Asked Questions
- Is Dr. John Koh accepting new patients?
- Dr. John Koh has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
- Does Dr. John Koh accept my insurance?
- You can see the insurance plans that Dr. John Koh accepts on their Vitals profile.
- What languages does Dr. John Koh speak?
- Dr. John Koh speaks English, Korean, and Spanish.
- Where is Dr. John Koh's office located?
- Dr. John Koh's office is located at 215 W Janss Rd, Thousand Oaks, CA, 91360.
- Which hospitals is Dr. John Koh affiliated with?
- Dr. John Koh is affiliated with Adventist Health Simi Valley.
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