Dr. Thomas A. John
- Gender: Male
- Experience: 18 years
- Graduated from: University Of South Florida College Of Medicine
- Graduation year: 2003
- Sole propriator: Yes
- NPI: 1497837033
Dr. Thomas A. John MD
Gastroenterologist
He is located at 6340 Fort King Road in Zephyrhills, FL 33542. Can help patients with the following: Hepatitis B (HBV), Hiatal Hernia, Inflammatory Bowel Disease (IBD), Migraine, Peptic Ulcer, Primary Biliary Cirrhosis (PBC). His National Provider Identifier (NPI) number is 1497837033. Appointment can be made via the phone number (813) 782-6116. He is affiliated with 2 practices and 2 hospitals.
Conditions treated
Dr. Thomas A. John, 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. Thomas A. John.
- 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. Thomas A. John
Insurances Accepted by Dr. Thomas A. John
- Medicare
Medicare Enrollment
Dr. Thomas A. John is enrolled to bill Medicare as a Practitioner - Gastroenterology (also registered under: Practitioner - Internal Medicine) .
Bills through: Florida Hospital Physician Group Inc
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and is not a comment on insurance accepted, quality, outcomes, or board certification.
Payments received
Drug payment
| AbbVie | $342 |
| Novartis | $102 |
| Janssen | $96 |
Other
| Food and Beverage | $778 |
Studies
UNIVERSITY OF SOUTH FLORIDA COLLEGE OF MEDICINE
Graduated in 2003Additional Specialities
- Internist
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Questions & Answers
Does Dr. Thomas A. John accept patients with Medicare?
Yes, Dr. Thomas A. John accepts patients with Medicare.
Where can you meet with Dr. Thomas A. John?
Dr. Thomas A. John's office is located at 6340 Fort King Road in Zephyrhills, FL 33542.
Has Dr. Thomas A. John affiliation with hospitals?
Dr. Thomas A. John is affiliated with FLORIDA HOSPITAL ZEPHYRHILLS. For the full list of hospitals see this list.
Does Dr. Thomas A. John have affiliation with practices?
Dr. Thomas A. John is affiliated with AdventHealth Zephyrhills. For the full list of practices see this list.
What conditions does Dr. Thomas A. John treat?
Dr. Thomas A. John provides treatment for Hepatitis B (HBV), Hiatal Hernia, Inflammatory Bowel Disease (IBD), Migraine, Peptic Ulcer, Primary Biliary Cirrhosis (PBC). For the full list see this list.