• Vincent Marrone, M.D.

    Dr. Marrone

    Vincent Marrone, M.D. is a gastroenterologist specializing in the treatment and prevention of diseases and disorders of the digestive tract, Read on...

  • Ravi Hotchandani, M.D.

    Dr. Hotchandani

    Ravi Hotchandani, M.D. is a gastroenterologist specializing in the treatment and prevention of diseases and disorders of the digestive tract, Read on...

  • Arthur Walczyk, M.D.

    Dr. Walczyk

    Arthur Walczyk, M.D. is a gastroenterologist specializing in the treatment and prevention of diseases and disorders of the digestive tract, Read on...

  • Paul Burrows, M.D.

    Dr. Burrows

    Paul Burrows, M.D. is a gastroenterologist specializing in the treatment and prevention of diseases and disorders of the digestive tract, Read on...

  • Qian Xie, M.D.

    Dr. Xie

    Qian Xie, M.D. is a gastroenterologist specializing in the treatment and prevention of diseases and disorders of the digestive tract, Read on...

  • Madhavi Gaddam, M.D.

    Dr. Gaddam

    Madhavi Gaddam, M.D. is a gastroenterologist specializing in the treatment and prevention of diseases and disorders of the digestive tract, Read on...

  • FarahToyserkani, M.D.

    Dr. Toyserkani

    FarahToyserkani, M.D. is a gastroenterologist specializing in the treatment and prevention of diseases and disorders of the digestive tract, Read on...

  • Tamer Sargios, M.D.

    Dr. Sargios

    Tamer Sargios, M.D. is a gastroenterologist specializing in the treatment and prevention of diseases and disorders of the digestive tract, Read on...

Providers

Vincent Marrone, M.D.

Vincent Marrone, M.D

Vincent Marrone, M.D. is a gastroenterologist specializing in the treatment and prevention of diseases and disorders of the digestive tract, such as gastro esophageal reflux disease (GERD), irritable bowel syndrome, diverticulosis, lactose intolerance, celiac disease, peptic ulcer disease, diarrhea, constipation, and colon cancer. Dr. Marrone is trained in endoscopic procedures such as Colonoscopy and EGD (upper GI Endoscopy). He has admitting privileges at St. Francis Hospital and Vassar Brothers Medical Center and is also credentialed at the Hudson Valley Endoscopy Center in Fishkill, NY.

Dr. Marrone has been in private practice since 1982. He is a graduate of the Autonomous University of Guadalajara, Mexico, where he obtained his doctor of medicine degree. He then completed his residency in Internal Medicine at The Mount Sinai Hospital, NY and City Hospital Center at Elmhurst in Queens , NY. He received his fellowship training in Gastroenterology at the Harlem Hospital and Columbia Presbyterian in New York, NY. Dr. Marrone is board certified in Internal Medicine and Gastroenterology.


Ravi Hotchandani, M.D.

Ravi Hotchandani, M.D

Ravi Hotchandani, M.D. is a gastroenterologist specializing in the treatment and prevention of diseases and disorders of the digestive tract, such as gastro esophageal reflux disease (GERD), irritable bowel syndrome, diverticulosis, lactose intolerance, celiac disease, peptic ulcer disease, diarrhea, constipation, and colon cancer. Dr. Hotchandani is trained in endoscopic procedures such as Colonoscopy, EGD (upper GI Endoscopy) and Infrared Coagulation (IRC). He has admitting privileges at St. Francis Hospital and Vassar Brothers Medical Center and is also credentialed at the Hudson Valley Endoscopy Center in Fishkill, NY.

Dr. Hotchandani has been in private practice since 1984. He is a graduate of the All India Institute of Medical Sciences, India, where he obtained his medical degree. He then completed his residency in Internal Medicine at The Jamaica Hospital in Jamaica, NY. He received his fellowship in Gastroenterology at the Columbia Presbyterian at Harlem Hospital Center in New York, NY. Dr. Hotchandani is board certified in Internal Medicine and Gastroenterology.


Arthur Walczyk, M.D.

Arthur Walczyk, M.D

Arthur Walczyk, M.D. is a gastroenterologist specializing in the treatment and prevention of diseases and disorders of the digestive tract, such as gastro esophageal reflux disease (GERD), irritable bowel syndrome, diverticulosis, lactose intolerance, celiac disease, peptic ulcer disease, diarrhea, constipation, and colon cancer. Dr. Walczyk is trained in endoscopic procedures such as Colonoscopy, EGD (upper GI Endoscopy), Infrared Coagulation (IRC) and ERCP (Endoscopic Retrograde Cholangiopancreatography) / removal of bile duct stones. He also sub-specializes in hepatobiliary and liver diseases, i.e., Hepatitis C. He has admitting privileges at St. Francis Hospital and Vassar Brothers Medical Center and is also credentialed at the Hudson Valley Endoscopy Center in Fishkill, NY.

Dr. Walczyk has been in private practice since 1995. He is a graduate of the St. Georges's University School of Medicine, Grenada, WI, where he obtained his doctor of medicine degree. He then completed his residency in Internal Medicine at La Guardia Hospital (North Shore Univ. Hospital), Forest Hills, NY. He received his fellowship training in Gastroenterology at The Jamaica Hosptial (Cornell Affiliate), NY and West Virginia University Hospital, Robert Byrd Health Sciences Center, Morgantown, WV. Dr. Walczyk is board certified in Gastroenterology since 1997 with recertification in 2007.


Paul Burrows, M.D.

Paul Burrows, M.D

Paul Burrows, M.D. is a gastroenterologist specializing in the treatment and prevention of diseases and disorders of the digestive tract, such as gastro esophageal reflux disease (GERD), irritable bowel syndrome, diverticulosis, lactose intolerance, celiac disease, peptic ulcer disease, diarrhea, constipation, and colon cancer. Dr. Burrows is trained in endoscopic procedures such as Colonoscopy, EGD (upper GI Endoscopy), and ERCP (Endoscopic Retrograde Cholangiopancreatography). He has admitting privileges at St. Francis Hospital , Vassar Brothers Medical Center , Dutchess Ambulatory Surgical Center in Poughkeepsie , NY and is also credentialed at the Hudson Valley Endoscopy Center in Fishkill , NY .

Dr. Burrows has been in private practice since 1998. He is a graduate of the Autonomous University of Guadalajara, Mexico, where he obtained his doctor of medicine degree. He then completed his residency at Albany Medical College in Albany, NY. Dr. Burrows received his fellowship training in Gastroenterology at the Faulkner Hospital @ Tufts University in Boston, MA. Dr. Burrows is board certified in Internal Medicine and Gastroenterology.


Qian Xie, M.D.

Qian Xie, M.D

Qian Xie, M.D. is a gastroenterologist specializing in the treatment and prevention of diseases and disorders of the digestive tract, such as gastro esophageal reflux disease (GERD), irritable bowel syndrome, diverticulosis, lactose intolerance, celiac disease, peptic ulcer disease, diarrhea, constipation, and colon cancer. Dr. Xie is trained in endoscopic procedures such as Colonoscopy, EGD (upper GI Endoscopy), Endoscopy Ultrasound Services (EUS) and Capsule Endoscopy. He has admitting privileges at St. Francis Hospital and Vassar Brothers Medical Center and is also credentialed at the Hudson Valley Endoscopy Center in Fishkill, NY.

Dr. Xie has been in private practice since 1999. He is a graduate of the Kunming Medical College, China, where he obtained his doctor of medicine degree. He then completed his residency in Internal Medicine at the State University of New York Health Science Center in Brooklyn, NY. He received his fellowship training in Gastroenterology at the State University of New York Health Science Center in Brooklyn, NY. Dr. Xie is board certified in Internal Medicine and Gastroenterology.


Madhavi Gaddam, M.D.

Madhavi Gaddam, M.D

Madhavi Gaddam, M.D. is a gastroenterologist specializing in the treatment and prevention of diseases and disorders of the digestive tract, such as gastro esophageal reflux disease (GERD), irritable bowel syndrome, diverticulosis, lactose intolerance, celiac disease, peptic ulcer disease, diarrhea, constipation, and colon cancer. Dr. Gaddam is trained in endoscopic procedures such as Colonoscopy and EGD (upper GI Endoscopy). She has admitting privileges at St. Francis Hospital and Vassar Brothers Medical Center and is also credentialed at the Hudson Valley Endoscopy Center in Fishkill, NY.

Dr. Gaddam has been in private practice since 2001. She is a graduate of the Rangaraya Medical College, Andhra University, India, where she obtained her medical degree. She then completed her residency in Internal Medicine at the Bronx Lebanon Hospital Center (affiliated with Albert Einstein College of Medicine), Bronx, NY. She received her fellowship training in Gastroenterology at the Bronx Lebanon Hospital Center, Bronx, NY. Dr. Gaddam is board certified in Internal Medicine and Gastroenterology.


Farah Toyserkani, M.D.

Farah Toyserkani, M.D

FarahToyserkani, M.D. is a gastroenterologist specializing in the treatment and prevention of diseases and disorders of the digestive tract, such as gastro esophageal reflux disease (GERD), irritable bowel syndrome, diverticulosis, lactose intolerance, celiac disease, peptic ulcer disease, diarrhea, constipation, and colon cancer. Dr. Toyserkani is trained in endoscopic procedures such as Colonoscopy, EGD (upper GI Endoscopy) and Capsule Endoscopy. She has admitting privileges at St. Francis Hospital and Vassar Brothers Medical Center and is also credentialed at the Hudson Valley Endoscopy Center in Fishkill, NY.

Dr. Toyserkani is a graduate of the Tehran University of Medical Sciences, where she obtained her doctorate of medicine degree. She then completed her residency in Internal Medicine at the New York Methodist Hospital in Brooklyn, NY. After her residency, Dr. Toyserkani went on to complete her training in Gastroenterology at the University of Arkansas for Medical Sciences, Little Rock, Arkansas. Dr. Toyserkani is board certified in Internal Medicine and Gastroenterology.


Tamer Sargios, M.D.

Tamer Sargios, M.D

Tamer Sargios, M.D. is a gastroenterologist specializing in the treatment and prevention of diseases and disorders of the digestive tract, including acid reflux diseases (GERD), irritable bowel syndrome, inflammatory bowel disease (Crohn's disease and ulcerative colitis), celiac disease, and colon cancer. Dr. Sargios is trained and experienced in all endoscopic procedures such as colonoscopy, polyp removal and endoscopy (EGD). He has special experience in biliary endoscopy (ERCP), Capsule endoscopy (Pill Camera of the small intestine) and hemorrhoids treatments (Infra-Red Coagulation or IRC). Dr. Sargios has special interest and experience in advance treatment of Barrett’s esophagus using non-surgical treatment (Radiofrequency ablation of Barrett’s). He also specializes in treatment of chronic liver diseases including cirrhosis, chronic hepatitis C and hepatobiliary diseases. He has admitting privileges at St. Francis Hospital, Vassar Brother Medical Center and Hudson Valley Endoscopy Center in Fishkill, NY.

Dr. Sargios has been in private practice since 2004. He is a graduate of Ain- Shams University School of Medicine, Cairo, Egypt where he obtained his medical degree. He then completed his residency in Internal Medicine at Beth Israel Medical Center, New York, NY. He received his fellowship training in Gastroenterology at Beth Israel Medical Center, New York, NY. Dr. Sargios is board certified in Internal Medicine and Gastroenterology.

Dr. Sargios is an active member of the American College of Physicians, the American Gastroenterology Association, American College of Gastroenterology and the American Society of Gastrointestinal Endoscopy.