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Dr. Edward Onuma, MD

Gastroenterology* Age 65
Dr. Edward Onuma, MD
3.7 (6 Ratings)

Offers telehealth

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Dr. Edward Onuma, MD is a Gastroenterology Specialist in San Mateo, CA.
Dr. Edward Onuma, MD
3.7 (6 Ratings)
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Dr. Edward Onuma, MD

Gastroenterology* Age 65
San Mateo, CA
Accepting new patients
34 years of experience

Offers telehealth

Dr. Edward Onuma, MD is a Gastroenterology Specialist in San Mateo, CA.

About

Dr. Edward Onuma, MD is a Gastroenterology Specialist in San Mateo, CA and has 34 years experience. They graduated from STATE UNIVERSITY OF NEW YORK / HEALTH SCIENCE CENTER AT SYRACUSE. They currently practice at Practice and are affiliated with Mills-peninsula Medical Center. Dr. Onuma has experience treating conditions like Hemorrhoids, Gastroptosis and Intestinal Diverticulosis among other conditions at varying frequencies. At present, Dr. Onuma received an average rating of 3.7/5 from patients and has been reviewed 6 times. Their office accepts new patients and telehealth appointments. Dr. Onuma also speaks Japanese. Dr. Onuma is board certified in Gastroenterology and accepts multiple insurance plans.

Offers Telehealth

This provider offers telehealth appointments. Call the office to schedule.

Explains Conditions Well

Patients said this doctor explains conditions well.

Trustworthy

Patients said this doctor is trustworthy.

Easy Scheduling

Patients said scheduling was easy.

Experience Check

Enter a condition or procedure
Hemorrhoids
Gastroptosis
Intestinal Diverticulosis
Hemorrhoids
Gastroptosis
Intestinal Diverticulosis
Abdominal Pain
Colorectal Polyp
Constipation
Diaphragmatic and Hiatal Hernia
Diarrhea
  • View other providers who treat Diarrhea
Dysphagia
Heartburn
Intestinal Diverticulitis
Unexplained Weight Loss
Gas-Bloat Syndrome
Gastrointestinal Bleeding
Nausea
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Anal or Rectal Pain
Anemia
  • View other providers who treat Anemia
Barrett's Esophagus
Chronic Gastritis
Cirrhosis
Crohn's Disease
Duodenal Ulcer
Duodenitis
Esophageal Motility Disorders
Esophageal Ulcer
Esophagitis
Gastric Ulcer
Gastritis
Gastroesophageal Reflux Disease (GERD)
Hepatitis B
Inflammatory Bowel Disease
Intestinal Obstruction
Intestinal Ulcer
Liver Damage from Alcohol
Noninfectious Gastroenteritis and Colitis
Pancreatitis
Potassium Deficiency
Reflux Esophagitis
Retroperitoneum Cancer
Stomach Stenosis
Ulcerative Colitis
Vomiting Disorders
Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
Duodenal Polypectomy
Endoscopy (Esophagus, Stomach, Small Intestine)
ERCP (Endoscopic Retrograde Cholangiopancreatography)
Flexible Sigmoidoscopy
Manometry
Removal or Destruction of Rectal or Intestinal Tumor (incl. Colonoscopy, Proctosigmoidoscopy, Sigmoidoscopy and Control of Hemorrhage)
Rigid Proctosigmoidoscopy
Abdominal Aortic Aneurysm (AAA)
Acute Deep Vein Thrombosis (DVT)
Acute Gastritis
Acute Venous Embolism Thrombosis
Alcoholic Cirrhosis
Aneurysm
  • View other providers who treat Aneurysm
Aortic Aneurysm
Arteriovenous Malformation (AVM)
Ascites
  • View other providers who treat Ascites
Atherosclerosis
Atherosclerosis of Aorta
Benign Neoplasm of the Digestive System
Bile Duct Obstruction
Biliary Cirrhosis
Boerhaave's Syndrome
Bowel Strangulation
Celiac Disease
Chronic Deep Vein Thrombosis (DVT)
Congenital Achalasia
Congenital Anomaly Esophagus
Deep Vein Thrombosis (DVT)
Dehydration
Diffuse Esophageal Spasm
Dysentery
Embolism
  • View other providers who treat Embolism
Enteritis
Eosinophilic Esophagitis
Esophageal Achalasia and Cardiospasm
Esophageal Diverticulum
Esophageal Varices
Familial Adenomatous Polyposis
Food Allergy
Gallstones
Gastrointestinal Malabsorption
Gastroparesis
Hepatitis B - Immune Response
Hepatitis C
Hernia
  • View other providers who treat Hernia
Hiatal Hernia
Ileus
  • View other providers who treat Ileus
Indigestion
Infectious Diarrheal Disease
Intestinal Prolapse
Irritable Bowel Syndrome
Ischemic Colitis
Liver Abscess
Mallory-Weiss Syndrome
Malnutrition
Neoplasm of Gastrointestinal Tract
Non-Alcoholic Fatty Liver Disease
Non-Neonatal Jaundice
Pancreatic Pseudocyst
Pelvic Abscess
Peptic Ulcer
Peripheral Arterial Disease of Extremities
Peripheral Nerve Disorders
Peripheral Vascular Disease (PAD, PVD)
Primary Biliary Cholangitis
Pyloric Stenosis
Rectal Ulcer
Renal Artery Arteriosclerotic Disease
Ruptured Aortic Aneurysm
Stomal Ulcer
Upper Digestive Tract Cancer
Varicose Veins
Venous Embolism and Thrombosis
Venous Insufficiency
Viral Hepatitis
Visceroptosis
Vitamin_Deficiency
Whipple's Disease
Colon Cancer Screening
Colorectal Cancer Screening
Gallbladder Scan
Hepatitis A Screening
Hepatitis B Virus Screening
Hepatitis C Virus Screening
Hepatitis Screening
Impedance Testing
Instrumental Diagnostic Evaluation for Dysphagia
Liver Biopsy
Liver Function Test
pH Probe
  • View other providers who treat pH Probe
Port Placements or Replacements
Screening Colonoscopy
Ultrasound, Endoanal
Ultrasound, Esophageal
VAP Lipid Testing
Vascular Duplex Ultrasonography and Plethysmography
Wireless pH Testing

Insurance Accepted

* Please verify this information when scheduling an appointment.
  • Advantage Health Solutions HMO
  • Choice Plus POS II
    Deductible Plan CA Members Only HMO
    Elect Choice (Open Access) EPO
    Managed Choice (Open Access) POS
    Open Choice PPO
    Premier Care Network Plus - Innovation Health
    Savings Plus of CA EPO
  • California Care Large Group HMO
    California Care Small Group HMO
    Pathway EPO
    Prudent Buyer Individual CA PPO
    Prudent Buyer Large Group CA PPO
    Prudent Buyer Small Group CA PPO
  • Blue Card High Performance Network HPN
    Blue Card PPO
  • Advantage Preferred DirectAccess Plus PPO
    Select PPO
  • Access Plus HMO
    Access Plus Savenet HMO
    Blue High Performance Network EPO
    Bronze 60 SHOP PPO
    Bronze Full 4500 PPO
    Local Access Plus HMO
    Platinum 90 PPO
    Platinum Access+ 25 HMO
    Platinum Local Access + HMO 25 HMO
    Silver 70 PPO
    Trio ACO HMO
  • Cigna PPO
    Open Access Plus
  • Premium
  • First Health (Coventry Health Care) PPO
  • CA Employer Group Plans HMO
    CA Healthnet PPO
    CA WholeCare Network HMO
    SmartCare Network Large Group HMO
  • Choice Care PPO
    Choice POS
    National POS
  • Northern CA Cigna + Oscar LocalPlus EPO
    Northern CA Cigna + Oscar Open Access Plus EPO
  • Choice Plus POS
    Medica Choice
    Navigate HMO
    Navigate POS
    Nexus Open Access
    Options PPO
    SignatureValue - CA HMO
    SignatureValue Alliance

Locations

  1. 1 Peninsula Gastrointestinal
    100 S Ellsworth Ave Ste 507, San Mateo, CA 94401

Patient Satisfaction

Likelihood to recommend Dr. Onuma
3.7
Based on 6 Reviews
5 Stars (4)
4 Stars (0)
3 Stars (0)
2 Stars (0)
1 Star (2)

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Patient Reviews
Mar 16, 2018
Dr Onuma is my second opinion dr He is very kind and concerned about all your health conditions.He knows how to explain, listen and speaks to his patient. To me having others medical conditions and being treated for different specialists . The main key for a good dr is having all good !!! Mentioned above !!! That I was missing from my previous Gastrentologist . Excellent and I will recommend him 100%.
Sonia — Mar 16, 2018
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Photo: Dr. Edward Onuma, MD
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Dr. Onuma's Office & Staff

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Experience with Dr. Onuma

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  • How well provider listens and answers questions
  • Hpends appropriate amount of time with patients

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(650) 342-7432

About Me

Biography
  • Dr. Edward Onuma, MD is a gastroenterology specialist in San Mateo, CA and has over 33 years of experience in the medical field. He graduated from STATE UNIVERSITY OF NEW YORK / HEALTH SCIENCE CENTER AT SYRACUSE in 1990. He specializes in Gastroenterology.
Biography
Languages Spoken
Japanese
Languages Spoken
Specialties*
Gastroenterology
Specialties*
  • *Sharecare does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
Education

Education

Medical Education
  • STATE UNIVERSITY OF NEW YORK / HEALTH SCIENCE CENTER AT SYRACUSE
    1990
Medical Education

Board Certifications

Board Certifications
  • Gastroenterology
Board Certifications
What’s a board certification and why is it important that my provider has one?

A board certification represents a provider’s dedication to ongoing training in one or more specialties, including the completion of intensive exams. While not all specialties have board certifications, if your provider does have one they’ve taken the extra step to master their specialty and to keep up with the latest advancements in their field.
Common Questions and Answers
Responses are sourced directly from patients.
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Frequently Asked Questions

Find contact information here to make an appointment.

A list of accepted insurance providers is available on the Sharecare insurance check. It is always a good idea to verify your insurance when making an appointment.

New patients are generally accepted by Dr. Edward Onuma, MD. To arrange an appointment, call the number on Dr. Onuma's profile.

Dr. Onuma frequently treats the following conditions: Hemorrhoids, Gastroptosis and Intestinal Diverticulosis. See more on Sharecare.

Dr. Edward Onuma, MD is affiliated with Mills-peninsula Medical Center.

Yes, Dr. Edward Onuma, MD holds board certification in Gastroenterology.

Hospital Affiliations

  • Mills-peninsula Medical Center

    1501 Trousdale Dr, Burlingame, CA