Gastroenterology

Olumide Ajayeoba, M.D.

Olumide Ajayeoba, M.D.

Gastroenterologist

Riverside Gastroenterology Specialists - Newport News
Riverside Gastroenterology Specialists - Hampton

Dr. Ajayeoba's medical interests include gastrointestinal bleeding, gastroesophageal reflux disease, colon polyps, bile duct disorders, Barrett’s esophagus and chronic pancreatitis.

Meet Dr. Ajayeoba


Shahwali Arezo, M.D.

Shahwali Arezo, M.D.

Gastroenterologist

Riverside Gastroenterology Specialists - Williamsburg
Riverside Gastroenterology Specialists - Gloucester

Dr. Arezo's medical interests include the diagnosis and treatment of conditions related to the digestive system, including the esophagus, stomach, colon, liver, gallbladder and pancreas.

Meet Dr. Arezo | Request an Appointment


John W. Boyd, M.D.

John W. Boyd, M.D.

Gastroenterologist

Riverside Gastroenterology Specialists - Newport News
Riverside Gastroenterology Specialists - Hampton

Dr. Boyd's medical interests include the diagnosis and treatment of conditions related to the digestive system, including the esophagus, stomach, colon, liver, gallbladder and pancreas. He routinely performs colonoscopies, endoscopies and other advanced diagnostic and therapeutic procedures.

Meet Dr. Boyd | Request an Appointment


Frederick M. Gessner, M.D.

Frederick M. Gessner, M.D.

Gastroenterologist

Riverside Gastroenterology Specialists - Newport News
Riverside Gastroenterology Specialists - Hampton

Dr. Gessner's medical interests include the diagnosis and treatment of conditions related to the digestive system, including the esophagus, stomach, colon, liver, gallbladder and pancreas. He routinely performs colonoscopies, endoscopies and other advanced diagnostic and therapeutic procedures.

Meet Dr. Gessner| Request an Appointment


William A. Hackworth, M.D.

William A. Hackworth, M.D.

Gastroenterologist

Riverside Gastroenterology Specialists - Newport News
Riverside Gastroenterology Specialists - Hampton

Dr. Hackworth's medical interests include the diagnosis and treatment of conditions related to the digestive system, including the esophagus, stomach, colon, liver, gallbladder and pancreas. He routinely performs colonoscopies, endoscopies and other advanced diagnostic and therapeutic procedures.

Meet Dr. Hackworth | Request an Appointment


David James Hanna, DO

David James Hanna, DO

Gastroenterologist

Riverside Gastroenterology Specialists - Newport News
Riverside Gastroenterology Specialists - Hampton

Dr. Hanna's medical interests include treating fatty liver disease and obesity.

Meet Dr. Hanna


Rafayat S. Hossain, M.D.

Rafayat S. Hossain, M.D.

Gastroenterologist

Riverside Gastroenterology Specialists - Newport News
Riverside Gastroenterology Specialists - Hampton

Dr. Hossain's special interests include endoscopic treatment of gastrointestinal bleeding, colon cancer screening, gastroesophageal reflux disease, peptic ulcer disease, viral hepatitis, and fatty liver disease.

Meet Dr. Hossain


Headshot of Shweta Joshi

Shweta N. Joshi, M.D.

Gastroenterologist

Riverside Gastroenterology Specialists - Williamsburg

Dr. Joshi's medical interests include diagnosing and treating esophageal, stomach, liver, gallbladder, pancreas, small intestine and colon conditions. She also performs gastrointestinal procedures, including endoscopies and colonoscopies.

Meet Dr. Joshi


Dr. Thomas Kroner

Paul T. Kröner, M.D., MSc

Gastroenterologist

Riverside Gastroenterology Specialists - Newport News

Dr. Kröner's medical interests include advanced endoscopic procedures for the treatment of conditions of the esophagus, liver, pancreas and colon.

Meet Dr. Kröner


John Damian Long, M.D.

John Damian Long, M.D.

Gastroenterologist

Riverside Gastroenterology Specialists - Williamsburg
Riverside Gastroenterology Specialists - Gloucester

Dr. Long's medical interests include the diagnosis and treatment of conditions related to the digestive system, including the esophagus, stomach, colon, liver, gallbladder and pancreas. He routinely performs colonoscopies, endoscopies, and other advanced diagnostic and therapeutic procedures.

Meet Dr. Long


Ashan Manohar, M.D., FACP, FACG, AGAF

Ashan Manohar, M.D., FACP, FACG, AGAF

Gastroenterologist

Riverside Gastroenterology Specialists - Eastern Shore

Dr. Manohar's special interests include all common gastrointestinal diseases, inflammatory bowel disease (Crohn's disease and ulcerative colitis), and colon cancer prevention.

Meet Dr. Manohar


Kiran Motwani, M.D.

Kiran Motwani, M.D.

Gastroenterologist

Riverside Gastroenterology Specialists - Williamsburg
Riverside Gastroenterology Specialists - Gloucester

Dr. Motwani's medical interests include inflammatory bowel diseases, including ulcerative colitis and Crohn's disease.

Meet Dr. Motwani


Headshot of Ashutosh Naniwadekar

Ashutosh Naniwadekar, M.D.

Gastroenterologist

Riverside Gastroenterology Specialists - Hampton

Dr. Naniwadekar's medical interests include the diagnosis and treatment of conditions related to the digestive system, including the esophagus, stomach, colon, liver, gallbladder and pancreas. He routinely performs colonoscopies, endoscopies and other advanced diagnostic and therapeutic procedures.

Meet Dr. Naniwadekar


Michael Ney, M.D.

Michael Ney, M.D.

Gastroenterologist

Riverside Gastroenterology Specialists - Newport News

Dr. Ney's medical interests include autoimmune hepatitis, primary biliary and primary sclerosing cholangitis, hepatitis B & C, hemochromatosis, Alpha-1 antitrypsin deficiency, Wilson’s disease, alcohol-related and non-alcoholic fatty liver disease, and liver transplant patients.

Meet Dr. Ney


Mark A. Titus, M.D.

Mark A. Titus, M.D.

GI Hospitalist

Dr. Titus's medical interests include the diagnosis and treatment of conditions related to the digestive system, including the esophagus, stomach, colon, liver, gallbladder and pancreas. He routinely performs colonoscopies, endoscopies and other advanced diagnostic and therapeutic procedures.

Meet Dr. Titus


Jamila Wynter, M.D.

Jamila Wynter, M.D.

Gastroenterologist

Dr. Wynter's medical interests include the diagnosis and treatment of digestive diseases including acid reflux, difficulty swallowing, internal and external hemorrhoids, rectal bleeding, unexplained anemia, changes in bowel frequency, bloating, irritable bowel syndrome, inflammatory bowel disease and chronic liver disease.

Meet Dr. Wynter 


Tiffany Bloom, FNP

Tiffany Bloom, FNP

Nurse Practitioner

Riverside Gastroenterology Specialists - Eastern Shore

Ms. Bloom's medical interests include gastrointestinal health, including irritable bowel syndrome, Crohn's disease, celiac disease, acid reflux, diverticulitis and other digestive conditions.

Meet Tiffany


Jody Chance, NP

Jody Chance, NP

Nurse Practitioner

Riverside Gastroenterology Specialists - Eastern Shore

Ms. Chance's medical interests include the diagnosis and treatment of a wide variety of gastrointestinal illness and digestive conditions.

Meet Jody | Request an Appointment


Michelle R. DiPasquale, AGAC-NP

Michelle R. DiPasquale, AGAC-NP

Nurse Practitioner

Riverside Gastroenterology Specialists - Newport News
Riverside Gastroenterology Specialists - Hampton

Ms. DiPasquale's medical interests include diagnosis and treatment of conditions related to the digestive system, including the esophagus, stomach, colon, gallbladder, liver and pancreas.

Meet Michelle


Shannon L. Dishman, FNP-C

Shannon L. Dishman, FNP-C

Nurse Practitioner

Riverside Gastroenterology Specialists - Williamsburg
Riverside Gastroenterology Specialists - Gloucester

Mrs. Dishman's medical interests include the diagnosis and treatment of a wide variety of illnesses and digestive conditions.

Meet Shannon


Kathryn Felts, FNP-C

Kathryn "Katy" E. Felts, FNP-C

Nurse Practitioner

Riverside Gastroenterology Specialists - Gloucester

Ms. Felts' medical interests include diagnosis and treatment of conditions related to the digestive system, including the esophagus, stomach, colon, liver, gallbladder and pancreas.

Meet Kathryn


Brittany Fields, PA-C

Brittany Fields, PA-C

Physician Assistant - hospital only

Ms. Fields's medical interests include the diagnosis and treatment of conditions related to the digestive system, including the esophagus, stomach, colon, liver, gallbladder and pancreas.

Meet Brittany


Josiah Hilerio Headshot

Josiah Hilerio, PA

Physician Assistant

Riverside Gastroenterology Specialists - Hampton
Riverside Gastroenterology Specialists - Newport News

Mr. Hilerio's medical interests include diagnosing and treating a wide variety of gastrointestinal illnesses and digestive conditions.

Meet Josiah


Headshot of Fariah Ishrat

Fariah Ishrat, PA-C

Physician Assistant

Riverside Gastroenterology Specialists - Hampton

Ms. Ishrat's medical interests include the diagnosis and treatment of acute and chronic conditions related to the esophagus, stomach, colon, liver, gallbladder and pancreas.

Meet Fariah


Headshot of Anne E. Kennedy, FNP

Anne E. Kennedy, FNP

Nurse Practitioner

Riverside Gastroenterology Specialists - Newport News
Riverside Gastroenterology Specialists - Hampton

Ms. Kennedy's medical interests include the diagnosis and treatment of a wide variety of gastrointestinal illness and digestive conditions.

Meet Anne


Timothy R. Lee, NP

Timothy R. Lee, NP

Nurse Practitioner

Riverside Gastroenterology Specialists - Newport News

Mr. Lee's medical interests include the diagnosis and treatment of conditions related to the digestive system, including the esophagus, stomach, colon, liver, gallbladder and pancreas.

Meet Timothy


Adam W. Medlin, NP

Adam W. Medlin, NP

Nurse Practitioner

Riverside Gastroenterology Specialists - Hampton

Mr. Medlin's medical interests include gastroenterological conditions, including inflammatory bowel disease, exocrine pancreatic insufficiency and short bowel syndrome.

Meet Adam


Brittany J. Morris, FNP

Brittany J. Morris, FNP

Nurse Practitioner

Riverside Gastroenterology Specialists - Newport News

Ms. Morris's medical interests include the diagnosis and treatment of a wide variety of gastrointestinal illness and digestive conditions.

Meet Brittany 


Emily D. Patrick, PA-C

Emily D. Patrick, PA-C

Physician Assistant

Riverside Gastroenterology Specialists - Eastern Shore

Ms. Patrick's medical interests include the diagnosis and treatment of digestive system conditions.

Meet Emily


D. Steven Pearson, FNP

D. Steven Pearson, FNP

Nurse Practitioner

Riverside Gastroenterology Specialists - Gloucester

Mr. Pearson's medical interests include the diagnosis and treatment of a wide variety of gastrointestinal illness and digestive conditions.

Meet Steven


Jennifer B. Ross, FNP-C

Jennifer B. Ross, FNP-C

Nurse Practitioner

Riverside Gastroenterology Specialists - Eastern Shore

Ms. Ross's medical interests include diagnosis and treatment of conditions related to the digestive system, treating Hepatitis C, administering capsule endoscopies, educating patients on chemotherapy regimens and caring for patients in a holistic manner.

Meet Jennifer


Leslie M. Williams, FNP

Leslie M. Williams, FNP

Nurse Practitioner

Riverside Gastroenterology Specialists - Williamsburg
Riverside Gastroenterology Specialists - Newport News

Ms. Williams's medical interests include a variety of gastrointestinal conditions, including acid reflux, irritable bowel syndrome (IBS), inflammatory bowel disease (IBD) and motility disorders.

Meet Leslie