3.8
5 Ratings with 1 written Review
Summary
Dr. Edward Onuma is a gastroenterologist who brings 36 years of experience to digestive health care. He earned his medical degree from SUNY Upstate Medical University Alan and Marlene Norton College of Medicine, building a strong foundation for his specialized practice. Dr. Onuma speaks both English and Korean, helping him connect with patients from diverse backgrounds.
Dr. Onuma practices at several respected facilities including Mills Peninsula Medical Center, Sequoia Hospital, and San Mateo Medical Center throughout the San Mateo area. He specializes in treating common digestive conditions such as colon polyps, hemorrhoids, and diverticular disease. His expertise includes performing colonoscopies and lower GI endoscopies to diagnose and monitor digestive health concerns. Patients have given him an average rating of 3.8 on Vitals for his care and service.
Dr. Onuma practices at several respected facilities including Mills Peninsula Medical Center, Sequoia Hospital, and San Mateo Medical Center throughout the San Mateo area. He specializes in treating common digestive conditions such as colon polyps, hemorrhoids, and diverticular disease. His expertise includes performing colonoscopies and lower GI endoscopies to diagnose and monitor digestive health concerns. Patients have given him an average rating of 3.8 on Vitals for his care and service.
Overview based on verified provider data
Quick Facts
- accepting new patients
- 36 years of experience
- speaks English, Korean
- Suny Upstate Medical University Alan And Marlene Norton Coll Of Med
- 1 written review
- 1 specialty
- 8 areas of expertise
- 1 board certification
- 4 hospital affiliations
- 5 office locations
- Male
Patients’ Perspective
- Gave an accurate diagnosis
- Had a good bedside manner
- Spent time with me
Based on patient feedback. Read the reviews
Office Locations
Dr. Edward Kay Onuma has 5 locationsPeninsula Gastrointestinal Specialist Inc
100 S Ellsworth Ave Ste 507San Mateo, CA 94401 Tel: (650) 342-7432
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 5:00 pm
Fri9:00 am - 5:00 pm
SatClosed
SunClosed
Compare with Similar Doctors
 |  |  |  |
| Dr. Edward Kay Onuma, MD | Jan Seiler, APRN | Chimdi Mfebe, APRN | Mounzer Al Samman, MD |
| Gastroenterology | Gastroenterology | Gastroenterology | Gastroenterology |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | Accepts New Patients |
| 36 Years of Experience | 39 Years of Experience | ||
| No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available | No Virtual Visit Option |
| Speaks English, Korean | Speaks English | Speaks English | Speaks Spanish, English |
| San Mateo , CA | Montgomery , AL | Little Rock , AR | Vacaville , CA |
| Med School: Suny Upstate Medical University Alan And Marlene Norton Coll Of Med | Med School: Georgia State University | Med School: Chamberlain University College of Nursing | Med School: University Of Aleppo Faculty Of Medicine |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Edward Kay Onuma
Medical Specialties
Dr. Edward Kay Onuma has the following specialty
Specialty Expertise
Dr. Edward Kay Onuma has the following 8 areas of expertise
Certifications, License, & Education
36 Years Experience
Dr. Edward Kay Onuma holds an active medical license in the state of California.
Medical License
Medical Doctor with an active medical license in the state of California that expires in 2027.
Education & Training
Medical School
Graduated from Suny Upstate Medical University Alan And Marlene Norton Coll Of Med in 1990.
NPI Number
Dr. Onuma's NPI number is 1477559722.
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Frequently Asked Questions
- What languages does Dr. Edward Onuma speak?
- Dr. Edward Onuma speaks English and Korean.
- Which hospitals is Dr. Edward Onuma affiliated with?
- Dr. Edward Onuma is affiliated with Mills Peninsula Medical Center, Sequoia Hospital, Mills Health Center, and San Mateo Medical Center.
- Where is Dr. Edward Onuma's office located?
- Dr. Edward Onuma's office is located at 100 S Ellsworth Ave Ste 507, San Mateo, CA, 94401.
- Does Dr. Edward Onuma accept virtual/telehealth appointments?
- Dr. Edward Onuma has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- Does Dr. Edward Onuma accept my insurance?
- You can see the insurance plans that Dr. Edward Onuma accepts on their Vitals profile.
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