Karen Helland, M.D. earned her undergraduate and medical degree at the University of Minnesota. She went on to complete her internship at Boston City Hospital and her residency at Hennepin County Medical Center in Minneapolis, MN. Dr. Helland is board certified in internal medicine. Prior to joining Piedmont Physicians, Dr. Helland practiced internal medicine in the Atlanta area for over 19 years. Her special interests include hypertension, diabetes, preventive medicine and women's health. She enjoys getting to know her patients and helping them to optimize their health. In her spare time, Dr. Helland enjoys cooking, reading, travel and spending time with her kids. Dr. Helland is rated as an Advanced provider by MediFind in the treatment of Cirrhosis. Her top areas of expertise are Glucocorticoid-Remediable Aldosteronism, Hypertension, Familial Hypertension, and Familial Combined Hyperlipidemia.

Dr. Hayden Aaron received his medical degree from Ross University School of Medicine after completing his undergrad at the University of South Carolina where he graduated Magna Cum Laude. He then completed his medical residency at Wellstar Atlanta Medical Center. Dr. Aaron holds certifications in basic life support, advanced cardiac life support and pediatric advance life support. He is certified by the American Board of Family Medicine, a member of the American Medical Association, the American Diabetes Association, the American Academy of Family Physicians and the American Academy of Pediatrics.Dr. Aaron practices family medicine, specializing in thorough, preventive and relational patient care and treats patients' ages 14 and up. He believes high quality patient care is a team approach so he emphasizes both mental and physical health. He enjoys cultivating a long-term relationship with his patients and really getting to know their full presentation, lifestyle and health goals.In his spare time, Dr. Aaron enjoys college football, running, and hiking with his family.Dr. Aaron welcomes new patients and accepts most insurance plans. Dr. Aaron 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 St. Anthony's Fire.

Dipak Vashi is a primary care provider, practicing in Internal Medicine in Atlanta, Georgia. Dr. Vashi has been practicing medicine for over 38 years and 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 High Cholesterol.

Paul Baird is a primary care provider, practicing in Internal Medicine in Atlanta, Georgia. Dr. Baird has been practicing medicine for over 30 years and is rated as an Advanced provider by MediFind in the treatment of Cirrhosis. His top areas of expertise are Waardenburg Syndrome Type 1, Waardenburg Syndrome, Monoamine Oxidase A Deficiency, and Waardenburg Syndrome Type 2.

Tyler Wheeler is a primary care provider, practicing in Sports Medicine and Family Medicine in Atlanta, Georgia. Dr. Wheeler is rated as an Advanced provider by MediFind in the treatment of Cirrhosis. His top areas of expertise are Insomnia, Obesity, Alopecia Areata, and Autosomal Recessive Hypotrichosis. Dr. Wheeler is currently accepting new patients.

Cassandra Barnes is a primary care provider, practicing in Family Medicine in Atlanta, Georgia. Dr. Barnes is rated as an Advanced provider by MediFind in the treatment of Cirrhosis. Her top areas of expertise are Folate Deficiency, Multiple Carboxylase Deficiency, Vitamin B12 Deficiency Anemia, and Subacute Combined Degeneration. Dr. Barnes is currently accepting new patients.

Angelica M. De Lisa, M.D., earned her medical degree from Universidad del Norte in Barranquilla, Colombia, and completed her internship and residency in internal medicine at University of Miami, Jackson Memorial Hospital in Miami, Florida. Prior to joining Piedmont, Dr. De Lisa practiced as a hospitalist at Methodist Medical Center in Oak Ridge, Tenn. She is board certified in internal medicine and a member of the American Medical Association and the American College of Physicians. Dr. De Lisa is fluent in both English and Spanish. In her spare time, Dr. De Lisa enjoys reading and spending time with her daughters and friends. Dr. De Lisa welcomes new patients and accepts most insurance plans. To schedule an appointment, call 404.255.9244. Dr. De Lisa is rated as an Advanced provider by MediFind in the treatment of Cirrhosis. Her top areas of expertise are Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, Hypertension, and Vitamin D Deficiency.

Dr. Artis is board-certified in internal medicine and received her medical degree from Wright State University School of Medicine in Dayton, Ohio. She completed her internship at the Medical University of South Carolina and her residency at Georgia Baptist Hospital, currently Atlanta Medical Center. Dr. Artis is a member of the Society of Internal Medicine, American Medical Association, and the American College of Physicians. Among her many interests in medicine, Dr. Artis takes a special interest in prevention and women's health. She believes her calling is keeping patients healthy- mind, body, and spirit. She loves helping people, and the gift of medicine is a bonus way to put forth that love. Dr. Artis is the eldest of a tight-knit family of eight and is very close with her family. Dr. Artis enjoys cooking and many sports and fitness activities, particularly jogging and tennis. Dr. Artis is rated as an Advanced provider by MediFind in the treatment of Cirrhosis. Her top areas of expertise are Familial Combined Hyperlipidemia, Xanthoma, Cirrhosis, and Glucocorticoid-Remediable Aldosteronism.

Lyudmila Tavrovsky is a primary care provider, practicing in Internal Medicine in Marietta, Georgia. Dr. Tavrovsky has been practicing medicine for over 44 years and is rated as an Advanced provider by MediFind in the treatment of Cirrhosis. Her top areas of expertise are Familial Hypertension, Hypertension, Glucocorticoid-Remediable Aldosteronism, and Hypothyroidism.

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.

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.

Celeste Miller, M.D. earned her medical degree from Morehouse School of Medicine. She completed her residency and internship at Carolinas Medical Center in Charlotte, North Carolina. She received her undergraduate degree in chemistry from Emory University in Atlanta, Georgia. Prior to joining Piedmont Physicians, Dr. Miller was a medical consultant and an inpatient liaison with Carolinas Medical Center. Dr. Miller was inducted into to Alpha Omega Alpha Honor Society, and is an active member of many professional groups including the American Academy of Family Physicians and the American Medical Society for Sports Medicine. In her spare time, Dr. Miller enjoys spending time with her family and cheering on home town sports teams. Dr. Miller believes in a patient-centered approach to healthcare. She makes it a point to partner with her patients to develop a plan to achieve and maintain overall health. Open communication is the foundation of a good doctor-patient relationship and promotes caring for the whole patient rather than just their diseases. Dr. Miller welcomes new patients and accepts most insurance plans. Dr. Miller is rated as an Experienced provider by MediFind in the treatment of Cirrhosis. Her top areas of expertise are Hypertension, Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, and Sitosterolemia.

Dr. Powell specializes in comprehensive and preventative health care and provides care for patients age 12 years and older. She offers in-office procedures such as pap smears, Nexplanon insertion, wart cryotherapy, basic sutures, skin tag removals, and weight loss counseling. Dr. Powell places special emphasis on nutrition and the value of diet on disease management and prevention. She has a unique ability to connect and form relationships with her patients, allowing her to identify individual barriers to achieving optimal health. Dr. Powell has a special interest in culinary medicine and medicine in media.In her spare time, Dr. Powell enjoys cooking, exercising, and spending time with her husband, family, and friends. Dr. Powell is rated as an Experienced provider by MediFind in the treatment of Cirrhosis. Her top areas of expertise are Vitamin D Deficiency, Polycystic Ovary Syndrome, Carney Complex, and Solitary Fibrous Tumor.

Scott Ramshur, M.D. received his medical degree from the Medical College of Georgia after completing his undergrad at the University of Georgia where he achieved a dual degree in cellular and general biology. He then completed his family medicine residency at Trident Medical University of South Carolina in Charleston. Dr. Ramshur is board certified in family medicine.Dr. Ramshur specializes in family medicine and treats patients' ages 17 and up. He has a special focus in chronic condition management.In his spare time, Dr. Ramshur enjoys spending time with his family, traveling, golf and college football. Go Dawgs!Dr. Ramshur welcomes new patients and accepts most insurance plans. Dr. Ramshur is rated as an Experienced provider by MediFind in the treatment of Cirrhosis. His top areas of expertise are Hypertension, Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, and Gout.