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 3741 Linwood Avenue in Oakland, CA 94602. 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) 589-8774. 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
- 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
Payments received
Drug payment
| AbbVie | $245 |
| Takeda | $163 |
| Gilead Sciences | $151 |
Other
| Food and Beverage | $1024 |
| Travel and Lodging | $12 |
Additional Specialities
- Internist
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Questions & Answers
Where can you meet with Dr. John W. Roark?
Dr. John W. Roark's office is located at 3741 Linwood Avenue in Oakland, CA 94602.
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.
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.