Dr. John David Northup
Dr. John D. Northup

Dr. John D. Northup

  • Gender: Male
  • Experience: 54 years
  • Graduated from: Yale University School Of Medicine
  • Graduation year: 1967
  • Sole propriator: Yes
  • NPI: 1023232527

Dr. John D. Northup M.D.

Gastroenterologist

He is located at 12345 Mercy Boulevard in Savannah, GA 31419. Can help patients with the following: Abdominal Pain, Acute Pain, Hyperlipidemia, Obesity, Primary Sclerosing Cholangitis (PSC), Urinary Tract Infection (UTI). His National Provider Identifier (NPI) number is 1023232527. Appointment can be made via the phone number (912) 927-3046. He is affiliated with 1 practices and 2 hospitals.

Conditions treated

Dr. John David Northup, 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 D. Northup.

  • 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 D. Northup

Insurances Accepted by Dr. John D. Northup

  1. Clover
  2. Medicare

Medicare Enrollment

Dr. John D. Northup is enrolled to bill Medicare as a Practitioner - Gastroenterology (also registered under: Practitioner - Internal Medicine) .

Bills through: Savannah Diagnostic Assoc Pc

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

AstraZeneca $1000
Amgen $914
Novo Nordisk $861

Other

Food and Beverage $9448
Other $125

Studies

YALE UNIVERSITY SCHOOL OF MEDICINE

Graduated in 1967

Additional Specialities

  • Internist

Affiliated practices

Savannah Diagnostic Association
12345 Mercy Boulevard
Savannah, 31419 GA
(912) 927-3048

Affiliated hospitals

CANDLER HOSPITAL
5353 REYNOLDS STREET
SAVANNAH, 31412 GA
(912) 819-6000
ST JOSEPH'S HOSPITAL - SAVANNAH
11705 MERCY BOULEVARD
SAVANNAH, 31419 GA
(912) 819-4100

Looking for more Gastroenterologists?

Here are gastroenterologists in Georgia you may want to explore.

Melissa Bienacker Baughcum
  • Gender: Female
  • Address: Suite B 340 North Milledge Avenue Athens, 30601, GA
Dr. Yaman Tayara
  • Gender: Male
  • Address: Suite 106 962 Joe Frank Harris Parkway Southeast Cartersville, 30120, GA
Dr. Neal K. Osborn
  • Gender: Male
  • Address: Suite 101 8855 Hospital Drive Douglasville, 30134, GA
Dr. Basil S. Al-Awabdy
  • Gender: Male
  • Address: Suite 200 488 Kennesaw Avenue NW Marietta, 30060, GA
Dr. Rachel P. Mepani
  • Gender: Female
  • Address: Suite 4075 95 Collier Road Northwest Atlanta, 30309, GA
Dr. Satish S-C Rao
  • Gender: Male
  • Address: 1120 15th Street Augusta, 30912, GA
Dr. Fredrick Adelana Oni
  • Gender: Male
  • Address: 1700 Watson Boulevard Warner Robins, 31093, GA
Dr. Michael Levine
  • Gender: Male
  • Address: Suite 102 2520 Windy Hill Road Marietta, 30067, GA
Dr. Steven A. Keilin
  • Gender: Male
  • Address: 1365 Clifton Road Northeast Atlanta, 30322, GA
Dr. Kenneth Obi
  • Gender: Male
  • Address: 11 John Maddox Drive Northwest Rome, 30165, GA

Questions & Answers

Does Dr. John David Northup accept patients with Clover?

Yes, Dr. John David Northup accepts patients with Clover.

Does Dr. John David Northup have affiliation with practices?

Dr. John David Northup is affiliated with Savannah Diagnostic Association.

Has Dr. John David Northup affiliation with hospitals?

Dr. John David Northup is affiliated with CANDLER HOSPITAL. For the full list of hospitals see this list.

What conditions does Dr. John David Northup treat?

Dr. John David Northup provides treatment for Abdominal Pain, Acute Pain, Hyperlipidemia, Obesity, Primary Sclerosing Cholangitis (PSC), Urinary Tract Infection (UTI). For the full list see this list.

Where can you meet with Dr. John David Northup?

Dr. John David Northup's office is located at 12345 Mercy Boulevard in Savannah, GA 31419.