Summary

Dr. Edward Onuma is a gastroenterologist who has dedicated 36 years to caring for patients with digestive health concerns. He earned his medical degree from SUNY Upstate Medical University Alan and Marlene Norton College of Medicine and brings extensive experience to his practice in the San Francisco Bay Area. Dr. Onuma is fluent in both English and Korean, allowing him to serve a diverse patient community.

Dr. Onuma practices at several respected medical facilities including Mills Peninsula Medical Center in Burlingame, Sequoia Hospital in Redwood City, and San Mateo Medical Center in San Mateo. He specializes in treating conditions such as colon polyps, hemorrhoids, and diverticular disease. His expertise includes performing colonoscopies and other endoscopic procedures to diagnose and treat digestive issues. Patients have given him an average rating of 3.8 on Vitals.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 3.8
  • 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
  • 4 hospital affiliations
  • 5 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. Edward Kay Onuma has 5 locations

Peninsula Gastrointestinal Specialist Inc

100 S Ellsworth Ave Ste 507San Mateo, CA 94401
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

Mills Peninsula Medical Center

1501 Trousdale DrBurlingame, CA 94010

Sequoia Hospital

170 Alameda De Las PulgasRedwood City, CA 94062

San Mateo Medical Center

222 W 39th AveSan Mateo, CA 94403

Mills Health Center

100 S San Mateo DrSan Mateo, CA 94401

Compare with Similar Doctors

Dr. Edward Kay Onuma, MD
Dr. Aijaz Ahmed
Dr. Aparna Goel
Dr. Samer Eldika
Dr. Edward Kay Onuma, MDDr. Aijaz AhmedDr. Aparna GoelDr. Samer Eldika
GastroenterologyGastroenterologyGastroenterologyGastroenterology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
3.8 
3.9 
36 Years of Experience 36 Years of Experience 17 Years of Experience 29 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English, Korean Speaks Chinese, Spanish Speaks English Speaks Arabic, English, Spanish
San Mateo , CAStanford , CAPalo Alto , CAStanford , CA
Med School: Suny Upstate Medical University Alan And Marlene Norton Coll Of Med Med School: Dow Medical College Med School: Sidney Kimmel Medical College At Thomas Jefferson University Med School: American University Of Beirut Faculty Of Medicine
Current Profile
View Profile View Profile View Profile

Insurance Plans Accepted by Dr. Edward Kay Onuma

  • Accepts Medicare

Medical Specialties

Dr. Edward Kay Onuma has the following specialty

Specialty Expertise

Dr. Edward Kay Onuma has the following 8 areas of expertise

  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Cataract
  • Constipation
  • Diabetes
  • Glaucoma
  • Hepatitis C
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

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.

Similar doctors

Frequently Asked Questions

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.
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.
How can I make an appointment with Dr. Edward Onuma?
You can find contact information for Dr. Edward Onuma here on Vitals.
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 my insurance?
You can see the insurance plans that Dr. Edward Onuma accepts on their Vitals profile.

Ensuring Data Transparency and Trust: A Guide to Vitals Doctor Listings and Reviews

Our provider data is gathered directly from physicians and publicly available databases. Providers who verify their profiles gain the ability to update information, offering additional details about their specialties,education, treated conditions, performed procedures, and accepted insurances.

Reviews on Vitals are submitted by users only. Recognizing the valuable insights these reviews offer into a doctor's reputation, we maintain internal policies and protocols to ensure the quality and accuracy of all reviews. Importantly, providers cannot delete or alter reviews independently. Reviews can only be deleted or changed following an internal assessment by our customer service team.

Your feedback is highly valued and we encourage you to contact our support team should you encounter any issues.