Dr. John W. Roark

  • Gender: Male
  • Experience: 44 years
  • Sole propriator: No
  • NPI: 1609834266

Dr. John W. Roark JR. MD

Gastroenterologist

He is located at 300 Frank H Ogawa Plaza in Oakland, CA 94612. Can help patients with the following: Ascites, Gastritis, Hyponatremia, Leaky Gut Syndrome, Prescription Refill, Stomach Cancer. His National Provider Identifier (NPI) number is 1609834266. Appointment can be made via the phone number (510) 444-3297. He is affiliated with 2 practices.

Conditions treated

Dr. John W. Roark, 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 W. Roark.

  • 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 W. Roark

Insurances Accepted by Dr. John W. Roark

  1. Medicare

Payments received

Drug payment

AbbVie $245
Takeda $163
Gilead Sciences $151

Other

Food and Beverage $1024
Travel and Lodging $12

Additional Specialities

  • Internist

Affiliated practices

Hayward Wellness Center
664 Southland Mall
Hayward, 94545 CA
(510) 266-1700
East Bay Center for Digestive Health Medical Associates
300 Frank H Ogawa Plaza
Oakland, 94612 CA
(510) 444-3297

Looking for more Gastroenterologists?

There are 8 other gastroenterologists in this region.

Dr. Liana Vesga
  • Gender: Female
  • Address: Suite 450 300 Frank H Ogawa Plaza Oakland, 94612, CA
Dr. Susie W. Cohn
  • Gender: Female
  • Address: Suite 450 300 Frank H Ogawa Plaza Oakland, 94612, CA
Dr. Paul Chard
  • Gender: Male
  • Address: Suite 450 300 Frank H Ogawa Plaza Oakland, 94612, CA
Dr. Danny Wu
  • Gender: Male
  • Address: Suite 450 300 Frank H Ogawa Plaza Oakland, 94612, CA
Dr. Neil H. Stollman
  • Gender: Male
  • Address: Suite 450 300 Frank H Ogawa Plaza Oakland, 94612, CA
Dr. Earl Michael Darby
  • Gender: Male
  • Address: Suite 450 300 Frank H Ogawa Plaza Oakland, 94612, CA
Dr. Thomas B. Hargrave
  • Gender: Male
  • Address: Suite 450 300 Frank H Ogawa Plaza Oakland, 94612, CA
Dr. Silvia M. Villagomez
  • Gender: Female
  • Address: Suite 450 300 Frank H Ogawa Plaza Oakland, 94612, CA

Questions & Answers

Where can you meet with Dr. John W. Roark?

Dr. John W. Roark's office is located at 300 Frank H Ogawa Plaza in Oakland, CA 94612.

Does Dr. John W. Roark have affiliation with practices?

Dr. John W. Roark is affiliated with Hayward Wellness Center. For the full list of practices see this list.

Does Dr. John W. Roark accept patients with Medicare?

Yes, Dr. John W. Roark accepts patients with Medicare.

What conditions does Dr. John W. Roark treat?

Dr. John W. Roark provides treatment for Ascites, Gastritis, Hyponatremia, Leaky Gut Syndrome, Prescription Refill, Stomach Cancer. For the full list see this list.