Photo of Steven T. Lewis

Steven T. Lewis, M.D.

Gastroenterologist

Gastroenterology

Accepting New Patients

About

Professional Statement

Dr. Thomas is double board-certified in Internal Medicine and Gastroenterology with special interests in colon cancer screening and prevention, gastroesophageal reflux disease, inflammatory bowel disease, and general gastroenterology.

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Education

University of California, Los Angeles David Geffen School of Medicine
medical school, 1973

Board Certifications

American Board of Internal Medicine
Gastroenterology
American Board of Internal Medicine
Internal Medicine

Clinical Interests

  • Abdominal Pain
  • Abnormal Amylase
  • Abnormal Bowel Movement
  • Abnormal Liver Function
  • Abnormal Stool
  • Achalasia
  • Acute Pancreatitis
  • Allergic Colitis
  • Allergic Esophagitis
  • Allergic Gastroenteritis
  • Altered Bowel Habits
  • Anal Fissure
  • Anal Fistula
  • Anal Pain
  • Anal Polyp
  • Anal Spasm
  • Anal Stenosis
  • Anal Ulcer
  • Anorectal Disease
  • Anorexia
  • Appetite Loss
  • Autoimmune Enteropathy
  • Barretts Esophagus
  • Biliary Atresia
  • Biliary Cirrhosis
  • Biologic Therapy For Gastrointestinal Diseases
  • Bleeding Hemorrhoids
  • Blood In Stool
  • Bright Red Blood Per Rectum
  • Celiac Disease
  • Choking Sensation
  • Cholangitis
  • Cholecystitis
  • Cholelithiasis
  • Cholestasis
  • Chronic Diarrhea
  • Chronic Pancreatitis
  • Cirrhosis
  • Clostridium Difficile
  • Colic
  • Colitis
  • Colonic Polyps
  • Colonoscopy
  • Constipation
  • Crigler Najjar Syndrome
  • Cyclic Vomiting Syndrome
  • Cystic Fibrosis - Gi Complications
  • Diarrhea
  • Diverticular Disease
  • Diverticulitis
  • Diverticulosis
  • Duodenal Ulcer
  • Duodenitis
  • Dysphagia
  • Elevated Amylase
  • End Stage Liver Disease
  • Endoscopy
  • Eosinophilic Esophagitis
  • Eructation
  • Esophageal Disorder
  • Esophageal Mass
  • Esophageal Ulcer
  • Esophageal Varices
  • Esophagitis
  • Fatty Liver
  • Fecal Impaction
  • Fecal Incontinence
  • Feeding Problems
  • Flatulence
  • Gallbladder Disease
  • Gallbladder Polyp
  • Gastric Anomaly
  • Gastric Ulcer
  • Gastritis
  • Gastroesophageal Reflux Disease
  • Gastrointestinal Bleeding
  • Gastroparesis
  • Giardiasis
  • Gluten Sensitivity
  • Graft Versus Host Disease
  • Helicobacter Pylori
  • Helminthiasis
  • Hematemesis
  • Hematochezia
  • Hemorrhoids
  • Hemorrhoids With Complications
  • Hepatorenal Syndrome
  • Hereditary Nonpolyposis Colorectal Cancer
  • Hiatal Hernia
  • Hirschsprungs Disease
  • Hydrops Of Gallbladder
  • Idiopathic Megacolon
  • Ileitis
  • Ileoscopy
  • Inflammatory Bowel Disease
  • Intestinal Atresia
  • Intestinal Obstruction
  • Intestinal Pseudo-Obstruction
  • Intractable Vomiting
  • Intussusception
  • Irritable Bowel Syndrome
  • Lactose Intolerance
  • Liver Biopsy
  • Liver Disease
  • Malabsorption
  • Malignant Neoplasm Of Liver
  • Malnutrition
  • Meckel's Diverticulum
  • Megacolon
  • Megarectum
  • Melena
  • Nausea
  • Obstipation
  • Odynophagia
  • Pancreatic Insufficiency
  • Pancreatitis
  • Peptic Ulcer
  • Peritonitis
  • Polyposis Syndrome
  • Polyps
  • Portal Hypertensive Gastropathy
  • Primary Biliary Cirrhosis
  • Proctosigmoidoscopy
  • Rectal Bleeding
  • Rectal Fistula
  • Rectal Hemorrhage
  • Rectal Pain
  • Rectal Polyp
  • Regional Enteritis
  • Right Lower Quadrant Pain
  • Right Upper Quadrant Pain
  • Short Bowel Syndrome
  • Small Bowel Disease
  • Stomach Cancer
  • Stomach Cramps
  • Stomach Pain
  • Swallowing Problem
  • Tenesmus
  • Ulcerative Colitis
  • Vomiting
  • Whipple Disease
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Languages

  • English

Practice Locations

Steven T. Lewis practices at two locations

Seattle Gastroenterology Northgate
11027 Meridian Avenue North
Seattle, WA 98133
Seattle Gastroenterology Fremont
501 North 34th Street
Suite 101

Seattle, WA 98103
Affiliated Facilities
  • Swedish Cherry Hill
  • Swedish First Hill
  • Swedish Issaquah