Dr. John R. Evans
- Gender: Male
- Experience: 38 years
- Graduated from: Jefferson Medical College Of Thomas Jefferson University
- Graduation year: 1983
- Sole propriator: Yes
- NPI: 1245253582
Dr. John R. Evans MD
Gastroenterologist
He is located at 355 East 21st Street Suite in San Bernardino, CA 92404. Can help patients with the following: Celiac Disease, Hepatitis A (HAV), High Blood Pressure, Hot Flashes, Irritable Bowel Syndrome (IBS), Pancreatic Cysts. His National Provider Identifier (NPI) number is 1245253582. Appointment can be made via the phone number (909) 886-2609. He is affiliated with 1 practices and 2 hospitals.
Conditions treated
Dr. John (j) Robert Evans, being an gastroenterologist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. John R. Evans.
- Abdominal Pain
- Acute Pain
- Anemia
- Arthritis
- Ascites
- Asthma
- Atherosclerosis
- Autoimmune Hepatitis
- Bad Breath
- Barrett's Esophagus
- Bladder Control
- Bleeding Varices
- Blood in Stool
- Botulism
- Cancer
- Carcinoid Tumor
- Celiac Disease
- Chest Pain
- Childhood Obesity
- Cholecystitis
- Chronic Obstructive Pulmonary Disease (COPD)
- Cirrhosis
- Clostridium Difficile Colitis
- Colitis
- Colonoscopy
- Common Cold
- Constipation
- Crohn's Disease
- Cystitis
- Diarrhea
- Diverticulosis
- Edema
- Eosinophilic Esophagitis
- Esophagitis
- Fatty Liver Disease
- Feeding and Swallowing
- Fever
- Food Allergies
- Gallbladder Pain
- Gastric Bypass Surgery
- Gastritis
- Gastroesophageal Reflux Disease (GERD)
- Gastroparesis
- General Care
- Headache
- Heart Disease
- Heartburn
- Helicobacter Pylori Infection
- Hemorrhoids
- Hepatitis A (HAV)
- Hepatitis B (HBV)
- Hepatitis C (HCV)
- Hiatal Hernia
- High Blood Pressure
- Hot Flashes
- Hyperlipidemia
- Hyponatremia
- Indigestion
- Inflammatory Bowel Disease (IBD)
- Influenza
- Inguinal Hernia
- Internal Bleeding
- Intussusception
- Irritable Bowel Syndrome (IBS)
- Lactose Intolerance
- Leaky Gut Syndrome
- Liver Disease
- Migraine
- Nausea and Vomiting
- Obesity
- Osteoporosis
- Pancreas Divisum
- Pancreatic Cancer
- Pancreatic Cysts
- Pancreatitis
- Peptic Ulcer
- Portal Hypertension
- Prescription Refill
- Primary Biliary Cirrhosis (PBC)
- Primary Sclerosing Cholangitis (PSC)
- Stomach Cancer
- Swallowing Disorders
- Ulcerative Colitis
- Urethritis
- Urinary Tract Infection (UTI)
Procedures Performed by Dr. John R. Evans
Medicare Enrollment
Dr. John R. Evans is enrolled to bill Medicare as a Practitioner - Gastroenterology .
Medicare practice location(s) (city/state/zip only, as reported to Medicare):
- SAN BERNARDINO, CA, 92404-4851
- HUNTINGTON BEACH, CA, 92647-7042
Bills through: J Robert Evans Md Pc
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Studies
JEFFERSON MEDICAL COLLEGE OF THOMAS JEFFERSON UNIVERSITY
Graduated in 1983Additional Specialities
- Internist
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Questions & Answers
Where can you meet with Dr. John (j) Robert Evans?
Dr. John (j) Robert Evans's office is located at 355 East 21st Street Suite in San Bernardino, CA 92404.
What conditions does Dr. John (j) Robert Evans treat?
Dr. John (j) Robert Evans provides treatment for Celiac Disease, Hepatitis A (HAV), High Blood Pressure, Hot Flashes, Irritable Bowel Syndrome (IBS), Pancreatic Cysts. For the full list see this list.
Has Dr. John (j) Robert Evans affiliation with hospitals?
Dr. John (j) Robert Evans is affiliated with ST BERNARDINE MEDICAL CENTER. For the full list of hospitals see this list.
Does Dr. John (j) Robert Evans have affiliation with practices?
Dr. John (j) Robert Evans is affiliated with Diabetes Health Center.