Dr. John Thomas, DO

Dr. John Thomas, DO

Gastroenterology  ·  
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Dr. John Thomas, DO is a gastroenterology specialist in Phoenix, AZ. He specializes in gastroenterology.

1111 E McDowell Rd

Phoenix, AZ 85006

Contact Information

Insurance Accepted

  • Aetna
  • Blue Cross Blue Shield
  • Cigna
  • Commercial Insurance Company
  • Humana
  • MultiPlan
  • Tricare
  • UnitedHealthCare

*Please verify this information when scheduling an appointment.

Background Check

Healthgrades does not collect malpractice claims information for Arizona
No disciplinary actions found for the years we collect data
No board actions found for the years we collect data
Learn more about background checks

Experience Check

Check Dr. Thomas' experience treating your condition or procedure

Dr. Thomas' Top Procedures and Conditions

Treatment Frequency
Abdominal Disorders
very high
very high

Treatment Frequency

Dr. Thomas treats Abdominal Disorders more than 94% of his peers

Dr. Thomas treats this condition more than 94% of his peers

Gastrointestinal Diseases
very high
very high

Treatment Frequency

Dr. Thomas treats Gastrointestinal Diseases more than 93% of his peers

Dr. Thomas treats this condition more than 93% of his peers

Dysphagia
very high
very high

Treatment Frequency

Dr. Thomas treats Dysphagia more than 90% of his peers

Dr. Thomas treats this condition more than 90% of his peers

Dr. Thomas' conditions and procedures:

  • Abdominal Disorders
  • Abdominal Pain
  • Abscess
  • Anal or Rectal Pain
  • Anemia
  • Autoimmune Diseases
  • Barrett's Esophagus
  • Benign Neoplasm of the Digestive System
  • Benign Tumor
  • Bile Duct Procedure
  • Biliary Atresia
  • Blood Disorders
  • Cancer
  • Celiac Disease
  • Cholecystitis and Gallstones
  • Cholelithiasis
  • Cirrhosis
  • Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
  • Colorectal Cancer
  • Constipation
  • Crohn's Disease
  • Dehydration
  • Diaphragmatic and-or Hiatal Hernia
  • Diarrhea
  • Diverticulitis, Intestinal
  • Diverticulosis, Intestinal
  • Duodenal Ulcer
  • Duodenitis
  • Dysentery
  • Dysphagia
  • Endoscopy (Esophagus, Stomach, Small Intestine)
  • Enteritis
  • ERCP (Endoscopic Retrograde Cholangiopancreatography)
  • Esophageal Achalasia and Cardiospasm
  • Esophageal Cancer
  • Esophageal Diseases
  • Esophageal Diverticulum
  • Esophageal Ulcer
  • Esophageal Varices
  • Esophagitis
  • Gas-Bloat Syndrome
  • Gastric Ulcer
  • Gastritis
  • Gastroenterology Procedures
  • Gastroesophageal Reflux Disease (GERD)
  • Gastrointestinal Bleeding
  • Gastrointestinal Diseases
  • Gastrointestinal Malabsorption
  • Gastroparesis
  • Heartburn
  • Hemorrhoidectomy or Excision of Anal Tags
  • Hemorrhoids
  • Hepatitis B - Immune Response
  • Hepatitis C
  • Hernia
  • Ileus
  • Indigestion
  • Inflammatory Bowel Disease
  • Intestinal Abscess
  • Intestinal Ischemia
  • Intestinal Obstruction
  • Irritable Bowel Syndrome
  • Lactose Intolerance
  • Liver Biopsy
  • Liver Damage from Alcohol
  • Malnutrition
  • Manometry
  • Nausea
  • Neoplasm of Gastrointestinal Tract
  • Non-Alcoholic Fatty Liver Disease
  • Noninfectious Gastroenteritis and Colitis
  • Non-Neonatal Jaundice
  • Pancreatitis
  • Peptic Ulcer
  • Pyloric Stenosis
  • Reflux Esophagitis
  • Small Intestine Cancer
  • Stomach and Small Intestine Cancer
  • Stomach Diseases
  • Stomal Ulcer
  • Ulcer
  • Ulcerative Colitis
  • Unexplained Weight Loss
  • Viral Enteritis
  • Viral Hepatitis
  • Vomiting Disorders

About Me

Biography

Dr. John Thomas, DO is a gastroenterology specialist in Phoenix, AZ. He specializes in gastroenterology.

Specialties

  • Gastroenterology

Board Certifications

  • Gastroenterology
  • Internal Medicine

Awards

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Locations

Insurance accepted

Accepted insurance can change. Please double-check when making an appointment.

Aetna
Choice Plus POS II
Blue Cross Blue Shield
Blue Card PPO
Cigna
Cigna PPO
Open Access Plus
Commercial Insurance Company
Humana
Choice Care PPO
MultiPlan
MultiPlan PPO
PHCS Network PPO
Tricare
UnitedHealthCare
United Healthcare