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Dr. Tommy Oei, MD
Gastroenterology* Age 55
Dr. Tommy Oei, MD

Offers telehealth

Dr. Tommy Oei, MD is a Gastroenterologist in Fontana, CA.
Dr. Tommy Oei, MD

Dr. Tommy Oei, MD

Gastroenterology* Age 55
Fontana, CA
Accepting new patients
29 years of experience

Offers telehealth

Dr. Tommy Oei, MD is a Gastroenterologist in Fontana, CA.
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About Dr. Tommy Oei, MD

Dr. Oei graduated from New York University Grossman School of Medicine. Dr. Tommy Oei, MD is a Gastroenterologist in Fontana, CA and has 29 years experience. Dr. Oei's office accepts new patients and telehealth appointments. Dr. Oei is board certified in Gastroenterology.

Offers Telehealth

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

Experience Check

Enter a condition or procedure
Rigid Proctosigmoidoscopy
Flexible Sigmoidoscopy
Manometry
Rigid Proctosigmoidoscopy
Flexible Sigmoidoscopy
Manometry
Hepatorenal Syndrome
Pancreas Surgeries
Noninfectious Gastroenteritis and Colitis
Abdominal Pain
Endoscopy
Esophageal Ulcer
Gastrointestinal Bleeding
Cirrhosis
Duodenal Polypectomy
Diarrhea
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Anemia
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Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
Colonoscopy
Removal or Destruction of Rectal or Intestinal Tumor (incl. Colonoscopy, Proctosigmoidoscopy, Sigmoidoscopy and Control of Hemorrhage)
Gastroesophageal Reflux Disease (GERD)
Dysphagia
Inflammatory Bowel Disease
Acute Gastritis
Alcoholic Cirrhosis
Alcoholic Hepatitis
Anal or Rectal Pain
Ascites
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Autoimmune Hepatitis
Barrett's Esophagus
Benign Neoplasm of the Digestive System
Bile Duct Obstruction
Biliary Atresia
Boerhaave's Syndrome
Celiac Disease
Cholangitis
Cholecystitis and Gallstones
Chronic Cholecystitis
Chronic Gastritis
Colon Cancer
Colorectal Polyp
Congenital Achalasia
Congenital Anomaly Intestine
Constipation
Crohn's Disease
Dehydration
Diaphragmatic and Hiatal Hernia
Duodenal Cancer
Duodenal Ulcer
Duodenitis
Dysentery
Enteritis
Eosinophilic Esophagitis
Esophageal Achalasia and Cardiospasm
Esophageal Motility Disorders
Esophageal Varices
Esophagitis
Food Allergy
Gallstones
Gas-Bloat Syndrome
Gastric Ulcer
Gastritis
Gastrointestinal Malabsorption
Gastrojejunal Ulcer
Gastroparesis
Gastroptosis
Hemochromatosis
Hemorrhoids
Hepatitis B
Hepatitis B - Immune Response
Hepatitis C
Hernia
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Hiatal Hernia
Hypokalemia
Ileus
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Infectious Diarrheal Disease
Intestinal Diverticulitis
Intestinal Diverticulosis
Intestinal Ischemia
Intestinal Obstruction
Intestinal Ulcer
Irritable Bowel Syndrome
Ischemic Colitis
Liver Damage from Alcohol
Mallory-Weiss Syndrome
Malnutrition
Metabolic Dysfunction Associated Steatotic Liver Disease (MASLD)
Nausea
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Pancreatitis
Pelvic Abscess
Peptic Ulcer
Pyloric Stenosis
Reflux Esophagitis
Retroperitoneum Cancer
Ulcerative Colitis
Unexplained Weight Loss
Upper Digestive Tract Cancer
Vascular Insufficiency of Intestines
Viral Enteritis
Viral Hepatitis
Vitamin_Deficiency
Vomiting Disorders
Bile Duct Procedure
Biliary Drainage
Colon Cancer Screening
Colorectal Cancer Screening
ERCP (Endoscopic Retrograde Cholangiopancreatography)
Gallbladder Scan
Hepatitis A Screening
Hepatitis B Virus Screening
Hepatitis C Virus Screening
Hepatitis Screening
Impedance Testing
Instrumental Diagnostic Evaluation for Dysphagia
Laparoscopic Removal of Stones from Biliary Tract
Liver Biopsy
Liver Function Test
pH Probe
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Screening Colonoscopy
Sigmoidoscopy
Transendoscopic Stent Placement
Ultrasound, Endoanal
Ultrasound, Esophageal
VAP Lipid Testing
Wireless pH Testing

Accepted Insurance Plans

* Please verify this information when scheduling an appointment.
  • Kaiser Permanente
    California - Southern HMO

Where Dr. Tommy Oei, MD Sees Patients

  1. 1 Kaiser Permanente Fontana Medical Center
    9961 Sierra Ave, Fontana, CA 92335
  2. 2 Kaiser Foundation Hospital-Ontario
    2295 S Vineyard Ave, Ontario, CA 91761

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Telehealth Options
This provider has not specified a telehealth appointment method. Would you still like to make an appointment with Dr. Oei?
Call now to make an appointment
(909) 427-3910

Meet Dr. Tommy Oei, MD

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.
Common Questions and Answers
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FAQs About Dr. Oei's Practice

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. Tommy Oei, MD. To arrange an appointment, call the number on Dr. Oei's profile.

Dr. Tommy Oei, MD is affiliated with Kaiser Permanente Fontana Medical Center.

Yes, Dr. Tommy Oei, MD holds board certification in Gastroenterology.

Training & Medical Education
Medical Education
  • New York University Grossman School of Medicine
    1997
Medical Education
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.

Hospitals Where Dr. Tommy Oei, MD Practices

  • Kaiser Permanente Fontana Medical Center

    9961 Sierra Ave, Fontana, CA

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