Dr. Mathew is board certified in Family Medicine and also holds a Masters in Public Health (MPH) from the Emory Rollins School of Public Health. He speaks multiple languages including Spanish. Since completing his residency, he has focused on primary care and urgent care, before joining Piedmont physicians at Vinings.Dr. Mathew believes in treating our human bodies like a temple. He always tries to find a holistic approach to treating a medical issue rather than a pharmacological approach, when appropriate. In his free time, Dr. Mathew enjoys traveling around the world, playing tennis, and working out at the gym.Dr. Mathew frequently appears on CNN, HLN and WSB-TV Atlanta as a medical analyst and speaks on a wide variety of medical topics. Dr. Mathew is rated as a Distinguished provider by MediFind in the treatment of Cirrhosis. His top areas of expertise are Familial Combined Hyperlipidemia, Xanthoma, Cirrhosis, and Hypertension.

William Kriegel, D.O., earned his medical degree from A.T. Sill University of Health Sciences in Kirksville, Mo. He completed his family medicine residency at Normandy/Deaconess Hospitals in St. Louis, Mo. He received his undergraduate degree in biology and chemistry from Truman State University in Kirksville, Mo. Prior to joining Piedmont Physicians, Dr. Kriegel was in practice at WellStar Medical Group for 19 years. Dr. Kriegel is board certified in family medicine and earned a certificate of added qualifications (CAQ) in sports medicine. He is a member of the American Osteopathic Association, Georgia Osteopathic Association, and Cobb County Medical Society. In his spare time, Dr. Kriegel enjoys walking his dog, cycling, swimming, and photography. He lives in Atlanta and is married with one son. Dr. Kriegel welcomes new patients and accepts most insurance plans. Dr. Kriegel is rated as a Distinguished provider by MediFind in the treatment of Cirrhosis. His top areas of expertise are Familial Combined Hyperlipidemia, Xanthoma, Cirrhosis, and Glucocorticoid-Remediable Aldosteronism.

Dr. Walker-Dillard earned her medical degree from Meharry Medical College in Nashville, Tennessee. She completed her internship and residency in internal medicine and pediatrics at Tulane University School of Medicine in New Orleans, Louisiana. Prior to joining Piedmont Physicians Group, Dr. Walker-Dillard practiced at Westside Medical Associates in Austell, Georgia. Board certified in internal medicine, she is a member of the American College of Physicians, the Atlanta Medical Association and the National Medical Association. Dr. Walker-Dillard has a special interest in diabetes, women's health, hypertension and preventive medicine. In her spare time, she enjoys running, traveling and participating in community service. Dr. Walker-Dillard welcomes most major insurance plans. Dr. Walker is rated as an Advanced provider by MediFind in the treatment of Cirrhosis. Her top areas of expertise are Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, Hypertension, and Familial Combined Hyperlipidemia.

Timothy Erdei, M.D., earned his medical degree from the Medical College of Georgia in Augusta, Georgia, and completed his residency at WellStar Kennestone Regional Medical Center in Marietta, Georgia. He received his undergraduate degree in Biology from Lee University in Cleveland, Tennessee, and is board certified in Family Medicine.Dr. Erdei specializes in adult medicine and treats a wide variety of both acute and chronic health conditions with a special interest in preventative care.In his spare time, Dr. Erdei enjoys spending time with his partner traveling the globe, hanging out with friends, and eating his way around Atlanta's eclectic foodie scene. Dr. Erdei is accepting new patients and welcomes most major insurance plans. Dr. Erdei is rated as an Advanced provider by MediFind in the treatment of Cirrhosis. His top areas of expertise are Familial Combined Hyperlipidemia, Xanthoma, Cirrhosis, and Generalized Anxiety Disorder (GAD).

Jocelyn Joseph, MD received her medical degree from Windsor University School of Medicine where she graduated with honors. She then completed her residency in family medicine at Eastern Virginia Medical School. Dr. Joseph is board certified in family medicine and is a member of the American Academy of Family Physicians and the American Medical Association.Dr. Joseph specializes in family medicine and provides services and treatments for patients including women's health, adult medicine, seniors, and pediatrics ages twelve and up. Her primary focus is preventative medicine and the management of chronic diseases such as diabetes and hypertension. She has a special interest in working closely with patients who have underlying depression and anxiety related health issues. Dr. Joseph offers preventative health screens and pap smears.In her spare time, Dr. Joseph enjoys dancing, working out on her bike, kickboxing, and spending time with her husband, dog, and her two kids.Dr. Joseph welcomes new patients and accepts most insurance plans. Dr. Joseph is rated as an Advanced provider by MediFind in the treatment of Cirrhosis. Her top areas of expertise are Familial Combined Hyperlipidemia, Xanthoma, High Cholesterol, and Cirrhosis.

A native of Albany, Georgia, Dr. Harper is a graduate of the Medical College of Georgia. He completed his internship and residency at Emory University affiliated hospitals. Dr. Harper was previously on staff at the Piedmont Hospital Medical Care Center in Brookhaven. He is board certified in internal medicine and is a member of the American Medical Association. Dr. Harper believes living a healthy lifestyle is the most effective way to prevent chronic illnesses and works with his patients to help them lead healthier lives. Among his many interests in medicine, Dr. Harper takes a special interest in the treatment of hypertension and diabetes. In his free time, Dr. Harper enjoys hiking, backpacking, traveling, and jogging. Dr. Harper is rated as a Distinguished provider by MediFind in the treatment of Cirrhosis. His top areas of expertise are Cirrhosis, Xanthoma, Familial Combined Hyperlipidemia, and High Cholesterol.

Dr. Lance Stein is transplant hepatologist and the Medical Director of Piedmont's Hepatology and Liver Transplant Program since 2021. He has been at Piedmont since 2010. He is a Clinical Assistant Professor of Medicine at Mercer University School of Medicine. His special interests include viral hepatitis, alcohol related liver disease, acute on chronic liver failure, metabolic associated steatotic liver disease (MASH/MAFLD), and autoimmune liver diseases (including but not limited to autoimmune hepatitis, primary biliary cholangitis, and primary sclerosing cholangitis). He also is an expert in management of the complications of liver cirrhosis including portal hypertension and liver cancers.He is a fellow for the American Association for the Study of Liver Diseases, American Gastroenterology Association, and the American College of Physicians. He has served on national committees for the American Association for the Study of Liver Diseases, American College of Gastroenterology, American Gastroenterology Association and the American Society of Transplantation.Following graduation from Temple University School of Medicine, he completed residency in internal medicine at Emory University School of Medicine, followed by a gastroenterology fellowship at the University of California, San Diego. He also completed a fellowship in advanced/transplant hepatology at both Columbia and Cornell-New York Presbyterian Hospitals. Dr. Stein is rated as a Distinguished provider by MediFind in the treatment of Cirrhosis. His top areas of expertise are Liver Failure, Hepatitis, Cirrhosis, Hepato-Pancreato-Biliary Surgery, and Liver Transplant.

Alexander Lemmer is a Gastroenterologist and a Transplant Surgeon in Atlanta, Georgia. Dr. Lemmer is rated as a Distinguished provider by MediFind in the treatment of Cirrhosis. His top areas of expertise are Ascites, Alcoholic Cirrhosis, Cirrhosis, Hepatitis, and Liver Transplant. Dr. Lemmer is currently accepting new patients.

Raymond Rubin, M.D., has returned to Piedmont to become the Chief Scientific Officer and as a general and transplant hepatologist at Piedmont Transplant Institute. During his time at Piedmont from 1996-2011, he co-founded and served as the medical director of Piedmont's new liver transplant program (2004). From 2011 until 2014, Dr. Rubin left Atlanta for Boston to become a Medical Director at Vertex Pharmaceuticals, where he conducted research and evaluated new treatments for hepatitis C, other liver diseases, and inflammatory bowel disease. Dr. Rubin earned his medical degree from Cornell Medical College in New York, N.Y. He completed his residency in internal medicine and his fellowship in gastroenterology and hepatology at the Hospital of the University of Pennsylvania. Dr. Rubin graduated summa cum laude with bachelors in molecular and cellular biology and British literature. Dr. Rubin has been practicing medicine for 28 years. He is board certified in gastroenterology, internal medicine and transplant hepatology, and is a fellow of the American Association for the Study of Liver Diseases and of the American Gastroenterological Association.Dr. Rubin welcomes new patients and accepts most insurance plans. Dr. Rubin is rated as a Distinguished provider by MediFind in the treatment of Cirrhosis. His top areas of expertise are Hepatitis, Liver Failure, Visceromegaly, Enlarged Liver, and Liver Transplant.

Bich Ngoc Nguyen, M.D. received her medical degree from the University of South Carolina School Of Medicine after receiving her bachelor of science in biological sciences where she graduated cum laude. She then completed her residency in family medicine at Halifax Medical Center in Daytona Beach, Florida where she served as the residency recruitment chair and was a member of the Quality Improvement committee. Dr. Nguyen is a member of the American Academy of Family Physicians.Dr. Nguyen specializes in broad-spectrum family medicine and sees patients of all ages. She has a particular interest in preventative care and women's health. Dr. Nguyen offers a variety of in- office procedures, including cryotherapy, skin biopsies, joint injections and various gynecologic procedures. She is fluent in English and Vietnamese.In her spare time, Dr. Nguyen enjoys cooking, traveling and spending quality time with her husband and family.Dr. Nguyen welcomes new patients and accepts most insurance plans. Dr. Nguyen is rated as a Distinguished provider by MediFind in the treatment of Cirrhosis. Her top areas of expertise are Cirrhosis, High Cholesterol, Familial Combined Hyperlipidemia, Hepato-Pancreato-Biliary Surgery, and Tissue Biopsy.

Michael Galambos is a Hepatologist and a Gastroenterologist in Atlanta, Georgia. Dr. Galambos is rated as a Distinguished provider by MediFind in the treatment of Cirrhosis. His top areas of expertise are Primary Biliary Cholangitis, Cirrhosis, Enlarged Liver, Endoscopy, and Colonoscopy. Dr. Galambos is currently accepting new patients.

Karina Belinfante is a primary care provider, practicing in Internal Medicine in Smyrna, Georgia. Dr. Belinfante has been practicing medicine for over 23 years and is rated as an Experienced provider by MediFind in the treatment of Cirrhosis. Her top areas of expertise are Folate Deficiency, Vitamin B12 Deficiency Anemia, Multiple Carboxylase Deficiency, and Subacute Combined Degeneration.

Joseph Khouri is a primary care provider, practicing in Internal Medicine in Smyrna, Georgia. Dr. Khouri has been practicing medicine for over 48 years and is rated as an Experienced provider by MediFind in the treatment of Cirrhosis. His top areas of expertise are Diabetic Hyperglycemic Hyperosmolar Syndrome, Familial Hypertension, Hypertension, and Glucocorticoid-Remediable Aldosteronism.

David Kim is a primary care provider, practicing in Family Medicine in Smyrna, Georgia. Dr. Kim is rated as an Experienced provider by MediFind in the treatment of Cirrhosis. His top areas of expertise are Glucocorticoid-Remediable Aldosteronism, Hypertension, Familial Hypertension, and High Cholesterol. Dr. Kim is currently accepting new patients.

Dr. Gordon treats patients from newborns to geriatrics and specializes in chronic disease management, preventative medicine, and acute illnesses. She has a special interest in providing care for the whole family and young adults with chronic pediatric conditions.In her spare time, Dr. Gordon enjoys spending time with her husband, son, family, and friends. She enjoys a large breadth of cuisine (eating, cooking, watching Food Network), watching stand-up comedy, reading a good book and Sudoku. Dr. Gordon is rated as an Experienced provider by MediFind in the treatment of Cirrhosis. Her top areas of expertise are Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, Hypertension, and High Cholesterol.

Dr. Griffith earned a bachelor of science in biology from The College of William and Mary in Williamsburg, Virginia. He received his medical degree and Ph.D. from the Medical University of South Carolina in Charleston, where he was elected to Alpha Omega Alpha Honor Medical Society. He completed his internship and residency at the University of Virginia in Charlottesville, Virginia. Dr. Griffith is board certified in internal medicine and has been practicing medicine for over 17 years. Prior to joining Piedmont Physicians Group, Dr. Griffith was in private practice at Adult Medicine of Marietta. He is a member of the American Medical Association, Society for Innovative Medical Practice Design, American College of Physicians and the Cobb County Medical Society. Dr. Griffith is married and has two children. Dr. Griffith is accepting new patients and welcomes most major insurance plans. Dr. Griffith is rated as an Experienced provider by MediFind in the treatment of Cirrhosis. His top areas of expertise are Folate Deficiency, Vitamin B12 Deficiency Anemia, Multiple Carboxylase Deficiency, and Subacute Combined Degeneration.

Cedrice Davis is a primary care provider, practicing in Family Medicine in Marietta, Georgia. Dr. Davis has been practicing medicine for over 29 years and is rated as an Experienced provider by MediFind in the treatment of Cirrhosis. Her top areas of expertise are Obesity, Obesity in Children, Familial Hypertension, and Glucocorticoid-Remediable Aldosteronism.

Justin Caughron is an Interventional Radiologist and a Radiologist in Atlanta, Georgia. Dr. Caughron is rated as a Distinguished provider by MediFind in the treatment of Cirrhosis. His top areas of expertise are Lung Nodules, Tenosynovitis, Osteoarthritis, Liver Embolization, and Bone Graft. Dr. Caughron is currently accepting new patients.

Stephen Scott is a primary care provider, practicing in Family Medicine in Smyrna, Georgia. Dr. Scott is rated as an Experienced provider by MediFind in the treatment of Cirrhosis. His top areas of expertise are Insomnia, Cirrhosis, Familial Combined Hyperlipidemia, and Xanthoma. Dr. Scott is currently accepting new patients.

Kaushik Chaganty is a primary care provider, practicing in Internal Medicine in Smyrna, Georgia. Dr. Chaganty is rated as an Experienced provider by MediFind in the treatment of Cirrhosis. His top areas of expertise are Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, Hypertension, Gastrostomy, and Ureteroscopy. Dr. Chaganty is currently accepting new patients.