The 20 Best Colonoscopy Doctors in Tennessee, US
Find the Experts and Specialists who perform Colonoscopy
ETSU Physicians & Associates- Gastroenterology
Mark Young is a Gastroenterologist practicing medicine in Johnson City, Tennessee. Dr. Young is rated as an Advanced provider by MediFind in Colonoscopy. He is also highly rated in 74 other conditions, according to our data. His clinical expertise encompasses Jaundice, Acute Pancreatitis, Choledocholithiasis, Endoscopy, and Gastrectomy. Dr. Young is board certified in American Board Of Internal Medicine.
BHMA Gastroenterology- Bristol
Roland Garretson is a Gastroenterologist practicing medicine in Bristol, Tennessee. Dr. Garretson is rated as an Advanced provider by MediFind in Colonoscopy. He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Gastrointestinal Bleeding, Bile Duct Obstruction, Angiodysplasia of the Colon, Endoscopy, and Colonoscopy. Dr. Garretson is board certified in American Board Of Internal Medicine.
BHMA Gastroenterology- Bristol
Parviz Gholami is a Gastroenterologist practicing medicine in Bristol, Tennessee. Dr. Gholami is rated as an Advanced provider by MediFind in Colonoscopy. He is also highly rated in 14 other conditions, according to our data. His clinical expertise encompasses Bile Duct Obstruction, Cholestasis, Gastrointestinal Bleeding, Endoscopy, and Gastrectomy. Dr. Gholami is board certified in American Board Of Internal Medicine.
Ballad Health Medical Associates Gastroenterology
Joseph Kretschmar is a Gastroenterologist practicing medicine in Greeneville, Tennessee. Dr. Kretschmar is rated as an Advanced provider by MediFind in Colonoscopy. He is also highly rated in 28 other conditions, according to our data. His clinical expertise encompasses Trichohepatoenteric Syndrome, Barrett Esophagus, Non-Alcoholic Fatty Liver Disease, Endoscopy, and Colonoscopy. Dr. Kretschmar is board certified in American Board Of Internal Medicine and American Board Of Lifestyle Medicine.
Ballad Health Medical Associates Gastroenterology
Robert Brinson is a Gastroenterologist practicing medicine in Bristol, Tennessee. Dr. Brinson is rated as an Advanced provider by MediFind in Colonoscopy. He is also highly rated in 6 other conditions, according to our data. His clinical expertise encompasses Gastrointestinal Bleeding, Painful Swallowing, Swallowing Difficulty, Endoscopy, and Gastrostomy. Dr. Brinson is board certified in .
Gastrointestinal Associates Of NE Tennessee, P.C.
Chakradhar Reddy is a Gastroenterologist practicing medicine in Johnson City, Tennessee. Dr. Reddy is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 26 other conditions, according to our data. His clinical expertise encompasses Enlarged Liver, Visceromegaly, Esophageal Varices, Endoscopy, and Colonoscopy. Dr. Reddy is board certified in American Board Of Internal Medicine and American Board Of Internal Medicine (Transplant Hepatology).
Gastrointestinal Associates Of NE Tennessee, P.C.
David Welch is a Gastroenterologist practicing medicine in Johnson City, Tennessee. Dr. Welch is rated as an Experienced provider by MediFind in Colonoscopy. His clinical expertise encompasses Colonic Malakoplakia, Gastrointestinal Bleeding, Irritable Bowel Syndrome (IBS), Gastrectomy, and Endoscopy. Dr. Welch is board certified in American Board Of Internal Medicine.
ETSU Physicians & Associates- Surgery
Carlos Floresguerra is a General Surgeon practicing medicine in Johnson City, Tennessee. Dr. Floresguerra is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Familial Colorectal Cancer, Hernia, Gallbladder Disease, Bladder Reconstruction, and Hernia Surgery. Dr. Floresguerra is board certified in American Board Of Surgery.
Gastrointestinal Associates Of NE Tennessee, P.C.
Puneet Goenka is a Gastroenterologist practicing medicine in Johnson City, Tennessee. Dr. Goenka is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 66 other conditions, according to our data. His clinical expertise encompasses Childhood Volvulus, Irritable Bowel Syndrome (IBS), Portal Hypertension, Gastrectomy, and Gastrostomy. Dr. Goenka is board certified in American Board Of Internal Medicine and American Board Of Gastroenterology.
Pediatric Gastroenterology
Dr. Anjali Malkani’s journey into healthcare was inspired by her mother, a physician in India. “As a child, I would often accompany her on house calls to visit sick children,” Dr. Malkani recalls. “Witnessing the parents’ gratitude as their child recovered and observing the child’s health improve during follow-up visits was truly heartwarming.” Born in Chicago and raised in India, Dr. Malkani loves the Appalachian Highlands for its slower pace of living and natural beauty. As an ETSU Health clinician, Dr. Malkani also serves as a faculty member at ETSU's Quillen College of Medicine. Outer of her medical practice, she enjoys walking, playing pickle ball, reading, traveling and exploring local waterfalls. Dr. Malkani is rated as an Experienced provider by MediFind in Colonoscopy. Her clinical expertise encompasses Esophagitis, Eosinophilic Esophagitis, Malnutrition, and Viral Gastroenteritis. Dr. Malkani is board certified in American Board Of Pediatrics.
Ballad Health Medical Associates Surgical Associates Of Kingsport
"Dr. Aaron Arroyave's passion for medicine was sparked by his father, who was also a surgeon. ""Medicine was always a part of my life,"" Dr. Arroyave explains. ""Like my father, I wanted to make a difference in people's lives. I find great satisfaction in achieving immediate and positive outcomes for my patients."" His approach to medicine is deeply influenced by his family’s connection to healthcare. ""I treat my patients the same way I would treat my own family,"" he says. ""I take pride in helping patients fully understand their health concerns, which allows us to collaborate on a personalized care plan tailored to their specific needs."" Originally from Miami, Florida, Dr. Aaron Arroyave has grown to appreciate the Appalachian Highlands for its welcoming community, excellent schools and stunning scenery.". Dr. Arroyave is rated as an Experienced provider by MediFind in Colonoscopy. His clinical expertise encompasses Merkel Cell Carcinoma, Neuroendocrine Tumor, Lynch Syndrome, and Colonoscopy. Dr. Arroyave is board certified in American Board Of Surgery.
BHMA Gastroenterology- Bristol
Amy Welch is a Gastroenterologist practicing medicine in Bristol, Tennessee. Dr. Welch is rated as an Experienced provider by MediFind in Colonoscopy. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Gastrointestinal Bleeding, Angiodysplasia of the Colon, Bile Duct Stricture, Endoscopy, and Gastrectomy. Dr. Welch is board certified in American Board Of Internal Medicine.
Gastrointestinal Associates Of NE Tennessee, P.C.
Jason Mckinney is a Gastroenterologist practicing medicine in Johnson City, Tennessee. Dr. Mckinney is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 60 other conditions, according to our data. His clinical expertise encompasses Swallowing Difficulty, Portal Hypertension, Gastroesophageal Reflux Disease (GERD), Gastrectomy, and Endoscopy. Dr. Mckinney is board certified in American Board Of Internal Medicine.
BHMA Gastroenterology- Bristol
Neelendu Dey is a Gastroenterologist practicing medicine in Bristol, Tennessee. Dr. Dey is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Crohn's Disease, Colorectal Cancer, Viral Gastroenteritis, Colonoscopy, and Endoscopy. Dr. Dey is board certified in American Board Of Internal Medicine.
BHMA Gastroenterology- Kingsport
Larry Shuster is a Gastroenterologist practicing medicine in Kingsport, Tennessee. Dr. Shuster is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Angiodysplasia of the Colon, Benign Esophageal Stricture, Lower Esophageal Ring, Colonoscopy, and Gastrectomy. Dr. Shuster is board certified in .
BHMA Gastroenterology- Kingsport
Nagendra Myneni is a Gastroenterologist practicing medicine in Kingsport, Tennessee. Dr. Myneni is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 33 other conditions, according to our data. His clinical expertise encompasses Crohn's Disease, Barrett Esophagus, Diverticular Disease, Endoscopy, and Gastrectomy. Dr. Myneni is board certified in American Board Of Internal Medicine.
BHMA Gastroenterology- Kingsport
Jeffrey Levine is a Gastroenterologist practicing medicine in Kingsport, Tennessee. Dr. Levine is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 18 other conditions, according to our data. His clinical expertise encompasses Acute Pancreatitis, Painful Swallowing, Swallowing Difficulty, Endoscopy, and Gastrectomy. Dr. Levine is board certified in American Board Of Internal Medicine.
Team Health
Said Assif is a Nephrologist practicing medicine in Knoxville, Tennessee. Dr. Assif is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Necrosis, Acute Kidney Failure, Syndrome of Inappropriate Antidiuretic Hormone Secretion (SIADH), Gastrostomy, and Endoscopy. Dr. Assif is board certified in American Board Of Internal Medicine.
Gastrointestinal Associates Of NE Tennessee, P.C.
Dhara Chaudhari is a Gastroenterologist practicing medicine in Johnson City, Tennessee. Dr. Chaudhari is rated as an Experienced provider by MediFind in Colonoscopy. She is also highly rated in 55 other conditions, according to our data. Her clinical expertise encompasses Jaundice, Gastroesophageal Reflux Disease (GERD), Childhood Volvulus, Endoscopy, and Gastrectomy. Dr. Chaudhari is board certified in American Board Of Internal Medicine.
Regional Kidney Care
Duc Vu is a Nephrologist practicing medicine in Kingsport, Tennessee. Dr. Vu is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Acute Kidney Failure, Chronic Kidney Disease, Necrosis, Colonoscopy, and Endoscopy. Dr. Vu is board certified in American Board Of Internal Medicine.
Last Updated: 06/30/2026






