At Gastrointestinal Medicine Associates we maintain the highest levels of accreditation and pursue ongoing education to stay abreast of the latest trends in gastroenterology. Our physicians are all board certified in both Internal Medicine and Gastroenterology. Our gastroenterologists have expertise in the diagnosis and management of Inflammatory Bowel Disease (Crohn's disease and Ulcerative colitis), Irritable Bowel Syndrome (IBS), Colon Cancer screening, Gastroesophageal reflux disease (GERD), pancreaticobiliary disorders and liver diseases. In addition to treating the full range of gastrointestinal diseases and disorders our doctors have expertise in diagnostic and therapeutic endoscopic procedures including Upper Endoscopy, Colonoscopy, Endoscopic Retrograde Cholangiopancreatography (ERCP), Endoscopic Ultrasound (EUS) and Wireless capsule endoscopy.

 

PAUL W. RODERICK, M.D.

PAUL W. RODERICK, M.D.

Gastrointestinal Medicine Associates

Dr. Roderick received his undergraduate degree from Providence College and his medical degree from Hahnemann University in Philadelphia.  He completed an Internal Medicine Residency and a Gastroenterology fellowship at Hahnemann Hospital in Philadelphia.

Dr. Roderick is board certified in Internal Medicine and Gastroenterology.  He is a fellow of the American College of Gastroenterology.  Dr. Roderick is a member of The American Gastroenterology Association, The American Society of Gastrointestinal Endoscopy, The Crohn's Colitis Foundation of America and The Rhode Island Medical Society.

 

 

GEORGE L. POWERS, M.D.

GEORGE L. POWERS, M.D.

Gastrointestinal Medicine Associates

Dr. Powers received his undergraduate degree from Wesleyan University in Middletown, CT, and his medical degree from Tufts University School of Medicine in Boston.  He completed an Internal Medicine Residency at Michael Reese Hospital in Chicago and a Gastroenterology Fellowship at Tufts New England Medical Center.

Dr. Powers is board certified in Internal Medicine and Gastroenterology. He is a member of The American Society of Gastrointestinal Endoscopy and The Rhode Island Medical Society.

In his free time Dr. Powers enjoys boating, tennis, skiing, yoga, travel and studying colonial American history.

 

THOMAS H. McGREEN, M.D

THOMAS H. McGREEN, M.D.

Gastrointestinal Medicine Associates

Dr. McGreen received his undergraduate degree from Providence College and his medical degree from the Universidad Autonoma de Guadalajara School of Medicine and New York Medical College. He completed an Internal Medicine Residency at St. Vincent's Medical Center in Bridgeport, CT, an affiliate of Yale University and New York Medical College and a Gastroenterology Fellowship at The University of Illinois in Chicago.

Dr. McGreen is board certified in Internal Medicine and Gastroenterology. He is a member of The American College of Gastroenterology, The American Society of Gastrointestinal Endoscopy and The American Gastroenterological Association.

 

 

ROBERT WOLFGANG, D.O.

ROBERT WOLFGANG, D.O.

Gastrointestinal Medicine Associates

Dr. Wolfgang received his undergraduate degree from Binghamton University, Binghamton, NY, and his medical degree from the Philadelphia College of Osteopathic Medicine. He completed an Internal Medicine Residency at William Beaumont Army Medical Center in El Paso, TX, and a Gastroenterology fellowship at UC Davis Medical Center in Sacramento, CA. Dr. Wolfgang was selected to be Chief Medical Resident after completing his Internal Medicine Residency and Chief fellow during his final year of fellowship.

Dr. Wolfgang is board certified in Internal Medicine and Gastroenterology. He is a member of The American College of Gastroenterology, The American Society for Gastrointestinal Endoscopy, The American Gastroenterological Association, The American Osteopathic Association, The Crohn's Colitis Foundation of America and The Rhode Island Medical Society.

Dr. Wolfgang and his wife, Lilly, have four children. In addition to spending time with his family, he enjoys woodworking, basketball, skiing, swimming (including the annual Save the Bay swim) and he still roots for the Buffalo Bills.

 

MORRIS P. ELEVADO, M.D.

MORRIS P. ELEVADO, M.D.

Gastrointestinal Medicine Associates

Dr. Elevado received his undergraduate degree from the University of Notre Dame, South Bend, IN, and his medical degree from the State University of New York at Buffalo. He completed an Internal Medicine Residency and Gastroenterology Fellowship at University of Massachusetts Medical Center in Worcester, MA.

Dr. Elevado is board certified in Internal Medicine and Gastroenterology.  He is a member of The American College of Gastroenterology, The American Society of Gastrointestinal Endoscopy, and The American Gastroenterology Association.

Dr. Elevado and his wife Stephanie have 3 children: Alex, Lauren and Caroline.  He enjoys golfing, skiing  and all things Notre Dame.

 

ROBERT J. BIERWIRTH, MD

ROBERT J. BIERWIRTH, M.D.

Gastrointestinal Medicine Associates

Dr. Bierwirth received his undergraduate degreee from Boston College in Chestnut Hill, MA, and his medical degree from St. George's University School of Medicine in Grenada, WI.  He completed an Internal Medicine Residency, a Gastroenterology Fellowship and a Transplant Hepatology Fellowship at the University of Medicine and Dentistry of New Jersey.  Dr. Bierwirth was selected to be Chief Medical Resident after completing his Internal Medicine Residency.

Dr. Bierwirth is board certified in Internal Medicine and Gastroenterology.  He is a member of The American College of Gastroenterology, The American Society for Gastrointestinal Endoscopy, The American Gastroenterological Association, and The Rhode Island Medical Society.

Dr. Bierwirth has additional expertise in Endoscopic Ultrasound.

He and his wife Kristen have twins, Joe and Kim.  In his free time Dr. Bierwirth enjoys playing hockey, skiing, and pursing his private pilot's certificate.

 

DEIRDRE E. SMITH, RN, MSN, FNP-BC

DEIRDRE E. SMITH, R.N., M.S.N., F.N.P.-B.C.

Gastrointestinal Medicine Associates

Deirdre Smith, RNP, received her Bachelor of Science in Nursing from Rhode Island College and her Master of Science in Nursing from the University of Rhode Island.  She graduated from the Family Nurse Practioner Program at the University of Rhode Island.  Deirdre Smith, RNP, is a board certified Family Nurse Practitioner and has clinical experience in Primary Care and Gastroenterology.

Deirdre Smith, RNP, is a member of The Rhode Island State Nurses, The American Association of Nurse Practioners, The Nurse Practitioner Alliance of Rhode Island and an Allied Member of the American College of Gastroenterology.

 

JENNIFER L. GEREMIA, PA-C

JENNIFER L. GEREMIA, P.A.-C.

Gastrointestinal Medicine Associates

Jennifer Geremia, PA-C, received her Bachelor of Science in Biology and Minor in Chemistry from Sacred Heart University, Fairfield, CT, and her Masters in Physician Assistant studies at Massachusetts College of Pharmacy and Health Sciences in Manchester, NH and has clinical experience in both Internal Medicine and Gastroenterology.

Jennifer Geremia, PA-C, is board certified by the NCCPA.  She is a member of both the national and Rhode Island chapter of The American Academy of Physician Assistants.

Jennifer Geremia, PA-C, is a Rhode Island native and is fluent in Portuguese.  She has a personal interest in Molecular Biology and has been involved in research at Massachusetts General Hospital, where she has co-authored two research papers.