Meet The Staff

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Charles J. Catalano, M.D

Charles J. Catalano, MD

Dr. Catalano graduated from Brooklyn College of Pharmacy, Brooklyn, New York. His Medical Degree was obtained from University of Miami. He completed his Internship at the University of Texas and his Residency was performed at the University of Florida. His Gastroenterology Fellowship was completed at the University of North Carolina. Dr. Catalano is Board Certified in Internal Medicine and Gastroenterology.

Robert D. Richards, Jr., M.D

Robert D. Richards, Jr., MD

Dr. Richards graduated from the College of William and Mary. He obtained his Medical Degree from Virginia Commonwealth University/ Medis Internship and his Residency. His Gastroenterology Fellowship was completed at University of Virginia Medical Center. Dr. Richards is Board Certified in Internal Medicine and Gastroenterology.

Ralph M. Wisniewski II, M.D. , F.A.C.P

Ralph M. Wisniewski II, MD, FACP

Dr. Wisniewski attended undergraduate school at the University of Scranton and Medical School at Hahnemann University School of Medicine. He completed his Internship and Residency at the University of Rochester. He did his Gastroenterology Fellowship, which included training in both ERCP and Endoscopic Ultrasound, at the University of Virginia. He is Board Certified in Gastroenterology. He and his wife, who is an endocrinologist, have three children.

Loretta Maffei, M.D., F.A.C.P

Loretta Maffei, MD, FACP

Dr. Maffei obtained her Medical Degree from the Pennsylvania State University College of Medicine. Her Internal Medicine Residency was performed at the University of Rochester. She completed her Gastroenterology Fellowship at the Medical College of Georgia. Dr. Maffei is Board Certified in Gastroenterology and Internal Medicine. She also performs small bowel capsule endoscopy.

Larry E. Clark, Jr., M.D

Larry E. Clark, Jr., MD

Dr. Clark graduated from the University of Florida. He obtained his Medical Degree from Medical College of Georgia. His Internal Medicine Internship and Residency was performed at the University of Virginia. Dr. Clark completed his Gastroenterology Fellowship at the University of South Alabama, Mobile, Alabama. He is Board Certified in Internal Medicine and Gastroenterology.

Wei Hou, M.D.

Wei Hou, MD

Dr. Hou graduated and obtained his Medical Degree from China Medical University. His Internal Medicine Internship and Residency was performed at the King-Drew Harbor UCLA. Dr. Hou completed his Gastroenterology Fellowship at the Virginia Commonwealth University. He worked as a Gastroenterologist in China and as a visiting Gastroenterologist in Japan. He is Board Certified in Internal Medicine and Gastroenterology.

A. Kenneth Musana, M.D.

Kenneth A. Musana, MD

Dr. Musana graduated and obtained his Medical Degree from Makerere University in Uganda. His Internal Medicine Internship and Residency were performed at the Marshfield Clinic in Wisconsin. Dr. Musana completed his Gastroenterology Fellowship at the Virginia Commonwealth University. He obtained his Master of Science degrees from McGill University and Virginia Commonwealth University. He is Board Certified in Internal Medicine and Gastroenterology.

Tammy Perdue, M.S.N., F.N.P.

Tammy Perdue, MSN, FNP

Mrs. Perdue graduated from Radford University with Bachelor of Science in Nursing. She received her Masters of Science in Nursing and Family Nurse Practitioner Certification from University of Virginia. She is ANCC Board Certified as a Family Nurse Practitioner.

Lisa Smith, D.N.P., F.N.P.-C.

Lisa Smith, DNP, FNP-C

Ms. Smith graduated from Lynchburg College with a Bachelor of Science in Nursing. She received her Masters of Science from the University of Virginia. Ms. Smith obtained her Family Nurse Practitioner Certification from Old Dominion University and she received her Doctor of Nursing Practice from Radford University. She is AANP Board Certified as a Family Nurse Practitioner.

Brandy Fleischer F.N.P.

Brandy Fleischer FNP

Mrs. Fleischer graduated from Lynchburg College with a Bachelor of Science in Nursing. She received her Masters of Science in Nursing and Family Nurse Practitioner Certification from Old Dominion University. She is AANP Board Certified as a Family Nurse Practitioner.

Julia M. Smith, M.S.N., A.C.N.P.

Julia M. Smith, MSN, ACNP

Mrs. Smith graduated from James Madison University with a Bachelor of Science in Nursing. She received her Master’s of Science in Nursing and Acute Care Nurse Practitioner Certificate from the University of Virginia. She is AACN Board Certified as an Acute Care Nurse Practitioner.