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Dr. Edward Onuma, MD

Gastroenterology* Age 65
Dr. Edward Onuma, MD
3.7 (6 Ratings)
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Dr. Edward Onuma, MD is a Gastroenterologist 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
Dr. Edward Onuma, MD is a Gastroenterologist in San Mateo, CA.

About

Dr. Onuma graduated from STATE UNIVERSITY OF NEW YORK / HEALTH SCIENCE CENTER AT SYRACUSE. Dr. Edward Onuma, MD is a Gastroenterologist in San Mateo, CA and has 34 years experience. Dr. Onuma currently practices at Practice and are affiliated with Mills-Peninsula Medical Center. Dr. Onuma has experience treating conditions like Hemorrhoids, Gastroptosis and Diarrhea 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. Dr. Onuma's office accepts new patients. Dr. Onuma also speaks Japanese. Dr. Onuma is board certified in Gastroenterology and accepts multiple insurance plans.

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
Diarrhea
Hemorrhoids
Gastroptosis
Diarrhea
Hemorrhoids
Gastroptosis
Diarrhea
  • View other providers who treat Diarrhea
Abdominal Pain
Diaphragmatic and Hiatal Hernia
Dysphagia
Heartburn
Intestinal Diverticulitis
Intestinal Diverticulosis
Unexplained Weight Loss
Colorectal Polyp
Constipation
Gas-Bloat Syndrome
Nausea
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Alcoholic Cirrhosis
Anal or Rectal Pain
Anemia
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Barrett's Esophagus
Cirrhosis
Crohn's Disease
Duodenal Ulcer
Duodenitis
Esophageal Motility Disorders
Esophageal Ulcer
Esophagitis
Gastric Ulcer
Gastritis
Gastroesophageal Reflux Disease (GERD)
Gastrointestinal Bleeding
Hepatitis B
Inflammatory Bowel Disease
Intestinal Obstruction
Intestinal Ulcer
Irritable Bowel Syndrome
Liver Damage from Alcohol
Non-Alcoholic Fatty Liver Disease
Noninfectious Gastroenteritis and Colitis
Pancreatitis
Reflux Esophagitis
Retroperitoneum Cancer
Stomach Stenosis
Ulcerative Colitis
Vomiting Disorders
Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
Duodenal Polypectomy
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 Hepatitis
All Types of Food Poisoning
Aneurysm
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Aortic Aneurysm
Arteriovenous Malformation (AVM)
Ascites
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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)
Chronic Gastritis
Congenital Achalasia
Congenital Anomaly Esophagus
Congenital Anomaly Intestine
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
Food Poisoning
Gallstones
Gastrointestinal Malabsorption
Gastroparesis
Hepatitis B - Immune Response
Hepatitis C
Hepatorenal Syndrome
Hernia
  • View other providers who treat Hernia
Hiatal Hernia
Ileus
  • View other providers who treat Ileus
Indigestion
Infectious Diarrheal Disease
Intestinal Malabsorption Carbohydrate
Intestinal Prolapse
Ischemic Colitis
Lactose Intolerance
Liver Abscess
Mallory-Weiss Syndrome
Malnutrition
Neoplasm of Gastrointestinal Tract
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
Salmonella Food Poisoning
Splenomegaly
Stomal Ulcer
Upper Digestive Tract Cancer
Varicose Veins
Venous Embolism and Thrombosis
Venous Insufficiency
Viral Enteritis
Viral Hepatitis
Visceroptosis
Vitamin_Deficiency
Whipple's Disease
Colon Cancer Screening
Colorectal Cancer Screening
Endoscopy
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.
  • Northern CA Cigna + Oscar LocalPlus EPO
    Northern CA Cigna + Oscar Open Access Plus EPO
  • Advantage Health Solutions HMO
  • Curative PPO Plus
    Curative PPO
    Curative EPO
  • Choice POS
    Choice Care PPO
    National POS
  • Advantage Preferred DirectAccess Plus PPO
    Select PPO
  • Premium
  • Open Access Plus
    Cigna PPO
  • SmartCare Network Large Group HMO
    CA Employer Group Plans HMO
    CA WholeCare Network HMO
    CA Healthnet PPO
  • Managed Choice (Open Access) POS
    Choice Plus POS II
    Elect Choice (Open Access) EPO
    Savings Plus of CA EPO
    Deductible Plan CA Members Only HMO
    Premier Care Network Plus - Innovation Health
    Open Choice PPO
    Aetna
  • Blue Card PPO
    Blue Card High Performance Network HPN
  • Canopy Health HMO
  • Prudent Buyer Small Group CA PPO
    Prudent Buyer Individual CA PPO
    Prudent Buyer Large Group CA PPO
    Pathway EPO
    California Care Large Group HMO
    California Care Small Group HMO
  • Blue Shield of California
    Access Plus Savenet HMO
    Local Access Plus HMO
    Platinum Local Access + HMO 25 HMO
    Platinum 90 PPO
    Access Plus HMO
    Blue High Performance Network EPO
    Bronze Full 4500 PPO
    Silver 70 PPO
    Bronze 60 SHOP PPO
    Platinum Access+ 25 HMO
    Trio ACO HMO
  • Navigate POS
    Nexus Open Access
    Options PPO
    Choice Plus POS
    SignatureValue Alliance
    Medica Choice
    Navigate HMO
    SignatureValue - CA HMO
  • First Health (Coventry Health Care) PPO
  • Chinese Community Health Plan (CCHP)

Locations

  1. 1 Peninsula Gastrointestinal
    100 S Ellsworth Ave Ste 507, San Mateo, CA 94401
    Icon Directions Right Arrow Directions Phone Icon (650) 342-7432

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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  • Office environment, cleanliness, comfort, etc.
  • Staff friendliness and courteousness
  • Total wait time (waiting & exam rooms)

Experience with Dr. Onuma

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  • How well provider explains medical condition(s)
  • How well provider listens and answers questions
  • Hpends appropriate amount of time with patients

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About Me

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 Diarrhea. 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