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Dr. Geethan Sivananthan, MD

Dr. Geethan Sivananthan, MD

Gastroenterologist
695 Chestnut St, Union, NJ
Dr. Geethan Sivananthan, MD is a board-certified gastroenterologist specializing in comprehensive care for digestive and liver disorders. He completed his residency in Internal Medicine at Weill Cornell New York Presbyterian Hospital and his fellowship in Gastroenterology at Lenox Hill Hospital, New York. Dr. Sivananthan is a member of the American Gastroenterology Association, American College of Gastroenterology, American Society for Gastrointestinal Endoscopy, and the American Medical Association. His expertise spans a broad range of gastrointestinal conditions, including IBD, Barrett’s esophagus, GERD, celiac disease, liver disease, pancreatic disorders, colorectal cancer, and complex anorectal conditions. He performs advanced diagnostic and therapeutic procedures, such as colonoscopy, ERCP, endoscopic mucosal resection, endoscopic ultrasound (EUS), fecal transplant, capsule endoscopy, and luminal stenting, enabling both routine and complex GI care. Dr. Sivananthan is affiliated with Overlook Hospital in Summit, NJ, where he combines patient-centered care with advanced procedural expertise to improve digestive health and quality of life.
Highly recommended
100% of patients gave this doctor 5 stars

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What patients are saying

Overall rating

5.00

About Dr. Geethan Sivananthan

Dr. Geethan Sivananthan, MD is a board-certified gastroenterologist specializing in comprehensive care for digestive and liver disorders. He completed his residency in Internal Medicine at Weill Cornell New York Presbyterian Hospital and his fellowship in Gastroenterology at Lenox Hill Hospital, New York. Dr. Sivananthan is a member of the American Gastroenterology Association, American College of Gastroenterology, American Society for Gastrointestinal Endoscopy, and the American Medical Association. His expertise spans a broad range of gastrointestinal conditions, including IBD, Barrett’s esophagus, GERD, celiac disease, liver disease, pancreatic disorders, colorectal cancer, and complex anorectal conditions. He performs advanced diagnostic and therapeutic procedures, such as colonoscopy, ERCP, endoscopic mucosal resection, endoscopic ultrasound (EUS), fecal transplant, capsule endoscopy, and luminal stenting, enabling both routine and complex GI care. Dr. Sivananthan is affiliated with Overlook Hospital in Summit, NJ, where he combines patient-centered care with advanced procedural expertise to improve digestive health and quality of life.

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Areas of expertise

This doctor's experience enhances their expertise in similar cases. Below are the conditions or surgeries they treat most frequently.
Diverticulosis (outpouchings) of intestine
Chronic Inflammatory Bowel Disease (IBD)
Irritable Bowel Syndrome (IBS)
Colonoscopy
Acute gastrointestinal bleeding
Gastroenteritis
Diverticulosis (outpouchings) of intestine
Chronic Inflammatory Bowel Disease (IBD)
Irritable Bowel Syndrome (IBS)
Colonoscopy

Office location

Center for Digestive Disease
695 Chestnut St, Union, NJ 07083
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Education and background

Practice names

Hospital affiliations

  • Overlook Hospital

Board certifications

  • Gastroenterology (American Board of Internal Medicine)

Education and training

  • Medical School - Rutgers New Jersey Medical School, Doctor of Medicine
  • Lenox Hill Hospital, Fellowship in Gastroenterology
  • NewYork-Presbyterian Hospital, Residency in Internal Medicine

Professional memberships

  • American Gastroenterological Association
  • American College of Gastroenterology
  • American Society for Gastrointestinal Endoscopy
  • American Medical Association

Languages spoken

  • English

Provider's gender

Male

NPI number

1598907990

Patient reviews

All reviews have been submitted by patients after interacting with the practice.
Overall rating
5.00
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Frequently asked questions

How soon can I make an appointment with Dr. Geethan Sivananthan?

Generally, Dr. Geethan Sivananthan has appointments available on Zocdoc within 1 week. You can see Dr. Sivananthan's earliest availability on Zocdoc and make an appointment online.

Is Dr. Geethan Sivananthan accepting new patients?

Dr. Geethan Sivananthan generally accepts new patients on Zocdoc. You can see Dr. Sivananthan's earliest availability on Zocdoc and schedule an appointment online.

Does Dr. Geethan Sivananthan accept my insurance?

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Can I make an appointment with Dr. Geethan Sivananthan online?

Yes, you can make an appointment online with Dr. Sivananthan using Zocdoc. It’s simple, secure, and free.

Which hospital is Dr. Geethan Sivananthan affiliated with?

Dr. Geethan Sivananthan is affiliated with Overlook Hospital.

What practice does Dr. Geethan Sivananthan work with?

Where is Dr. Geethan Sivananthan's office located?

Dr. Geethan Sivananthan's office is located at 695 Chestnut St, Union, NJ 07083.

Which board certifications does Dr. Geethan Sivananthan have?

Dr. Geethan Sivananthan is certified by Gastroenterology (American Board of Internal Medicine).

What are common reasons for patients to see Dr. Geethan Sivananthan?

Dr. Geethan Sivananthan frequently sees patients for Colonoscopy, Gastroenterology Consultation, Hemorrhoids, Illness, and Weight Loss Consultation. You can see other visit reasons for Dr. Geethan Sivananthan on their profile.

What languages does Dr. Geethan Sivananthan speak?

Dr. Geethan Sivananthan speaks English.

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Zocdoc›Elizabeth, NJ Gastroenterologists›Dr. Geethan Sivananthan, MD