Photo of Gregory S. Harmon, MD

Gregory S. Harmon, MD

Accepting New Patients
20911 Earl Street, Suite 220
Torrance, CA 90503
1986.6 miles away
Medical Groups & Affiliations
Providence Axminster Medical Group
Speaks: English
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Providence Medical Institute - Torrance Gastroenterology

20911 Earl Street, Suite 220, Torrance, CA 90503

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About Gregory S. Harmon

Dr. Gregory Harmon was raised in the suburbs of Los Angeles. He studied Molecular Biology and History at the University of California San Diego, graduating with honors and election to Phi Beta Kappa. He studied medicine in Chicago and returned to UCSD for specialty training in Gastroenterology. He has practiced in Southern California since 2005. Dr. Harmon is Assistant Clinical Professor at the UCLA School of Medicine where he directed the celiac disease and gastrointestinal nutrition programs. He has provided continuing medical education lectures at numerous Southern California hospitals. His research experience includes working with the RAND Corporation to study health care quality and scientific laboratories to understand the molecules of inflammation. His publications appear in top tier scientific journals. Dr. Harmon’s clinical interests include colonoscopy, inflammatory bowel disease, and nutrition. His goal is to help each patient achieve optimal personalized health.

Medical School

University of Chicago

Internship

Northwestern University

Residency

Northwestern University
Internal Medicine

Fellowship

University of California, San Diego
Post Graduate Gastroenterology and Hepatology

Board Certifications
  • American Board of Internal Medicine, Gastroenterology
Providence Medical Institute - Torrance Gastroenterology
20911 Earl Street, Suite 220
Torrance, CA 90503

Medical Groups & Affiliations
Providence Axminster Medical Group

Clinical Interests

  • Abdominal Pain
  • Abnormal Bowel Movement
  • Abnormal Liver Function Blood Test
  • Abnormal Stool
  • Achalasia
  • Acute Pancreatitis
  • Alcoholic Hepatitis
  • Altered Bowel Habits
  • Anemia
  • Anorexia
  • Autoimmune Enteropathy
  • Autoimmune Hepatitis
  • Barrett's Esophagus
  • Benign Neoplasm Of Colon
  • Biliary Tract Disease
  • Blood In Stool
  • Bravo Ph Test
  • Breath Testing
  • Bright Red Blood Per Rectum
  • Burping
  • Capsule Endoscopy
  • Celiac Disease
  • Cholangioscopy
  • Cholangitis
  • Cholecystitis
  • Cholelithiasis
  • Cholestasis
  • Chronic Abdominal Pain
  • Chronic Diarrhea
  • Chronic Pancreatitis
  • Cirrhosis
  • Clostridium Difficile
  • Clostridium Infections
  • Cold Therapies
  • Colitis
  • Colon Polypectomy
  • Colonic Inertia
  • Colonic Polyps
  • Colonoscopy
  • Colorectal Screening
  • Constipation
  • Crigler Najjar Syndrome
  • Cyclic Vomiting Syndrome
  • Digestive Disorders
  • Diverticular Disease
  • Diverticulitis
  • Diverticulosis
  • Double Balloon Enteroscopy
  • Duodenal Ulcer
  • Duodenitis
  • Dyspepsia
  • Dysphagia
  • End Stage Liver Disease
  • Endoscopic Mucosal Resection
  • Endoscopic Mucosal Resection Of Esophagus
  • Endoscopic Mucosal Resection Of Large Colon Polyps
  • Endoscopic Retrograde Cholangiopancreatography
  • Endoscopic Ultrasound
  • Endoscopy
  • Eosinophilic Colitis
  • Eosinophilic Enteritis
  • Eosinophilic Esophagitis
  • Eosinophilic Gastritis
  • Epigastric Pain
  • Eructation
  • Esophageal Disease
  • Esophageal Disorder
  • Esophageal Diverticulum
  • Esophageal Mass
  • Esophageal Motility Disorders
  • Esophageal Spasm
  • Esophageal Stricture
  • Esophageal Ulcer
  • Esophageal Varices
  • Esophagitis
  • Fatty Liver
  • Fecal Impaction
  • Fecal Incontinence
  • Feeding Tube Management
  • Flatulence
  • Focal Nodular Hyperplasia
  • Gallbladder Disease
  • Gallbladder Polyp
  • Gastric Anomaly
  • Gastric Ulcer
  • Gastritis
  • Gastroenteritis
  • Gastroesophageal Reflux Disease
  • Gastroesophageal Reflux Surgery
  • Gastrointestinal (Gi) Cancer Screening
  • Gastrointestinal Amyloid
  • Gastrointestinal Bleeding
  • Gastroparesis
  • Gastroscopy
  • Gastrostomy Closure Surgery
  • Giardiasis
  • Gluten Sensitivity
  • Helicobacter Pylori
  • Hematemesis
  • Hematochezia
  • Hemochromatosis
  • Hepatitis
  • Hepatitis B
  • Hepatitis C
  • Hereditary Colon Cancer
  • Hiatal Hernia
  • High Resolution Manometry
  • Ileitis
  • Inflammatory Bowel Disease
  • Intestinal Obstruction
  • Intractable Vomiting
  • Irritable Bowel Syndrome
  • Jaundice
  • Lactose Intolerance
  • Liver Disease
  • Liver Mass
  • Lynch Syndrome
  • Malabsorption
  • Melena
  • Motility Disorders
  • Nausea
  • Non Alcoholic Fatty Liver Disease
  • Non Alcoholic Steatohepatitis
  • Obstipation
  • Odynophagia
  • Ogilvie Syndrome
  • Pancreas Divisum
  • Pancreatic Cyst
  • Pancreatic Fistula
  • Pancreatic Insufficiency
  • Pancreatic Pseudocyst
  • Pancreatic Steatorrhoea
  • Pancreaticobiliary Disease
  • Pancreatitis
  • Paralytic Ileus
  • Partial Small Bowel Obstruction (Sbo)
  • Peptic Ulcer
  • Peritonitis
  • Peutz Jeghers Syndrome
  • Polyposis Syndrome
  • Portal Hypertension
  • Portal Hypertensive Gastropathy
  • Postprandial Diarrhea
  • Primary Encopresis
  • Proctitis
  • Proctosigmoidoscopy
  • Radiofrequency Ablation For Barrett's Esophagus
  • Rectal Bleeding
  • Rectal Pain
  • Regional Enteritis
  • Secondary Encopresis
  • Short Bowel Syndrome
  • Sigmoidoscopy
  • Small Bowel Disease
  • Stomach Cramps
  • Stomach Disorders
  • Swallowing Problem
  • Ulcerative Colitis
  • Virtual Care
  • Vomiting
  • Whipple's Disease
  • Wilson's Disease