Brion J. Lock, M.D., graduated with a bachelor of arts degree from Kalamazoo College in Kalamazoo, Mich. He earned his medical degree from Wayne State University School of Medicine in Detroit, Mich. He completed his residency in internal medicine at the University of Alabama at Birmingham. Dr. Lock was chosen to serve as chief resident for one year after completion of his internal medicine residency in 2002. He stayed at UAB to complete his pulmonary and critical care fellowship and served as chief fellow during his final year of training.Dr. Lock is described as hard working and passionate about the practice of medicine. His colleagues consider him to be very energetic and industrious with regard to patient care. Prior to joining Piedmont Physicians, Dr. Lock was in practice with Georgia Lung Associates for 7 years. Dr. Lock is board certified in critical care and pulmonary disease, and specializes in cough and airways diseases including asthma, COPD, and bronchiectasis.In his spare time, Dr. Lock enjoys sports, cooking, and traveling with his family.Dr. Lock welcomes new patients and accepts most insurance plans. Dr. Lock is rated as an Advanced provider by MediFind in the treatment of Alpha-1 Antitrypsin Deficiency (AATD). His top areas of expertise are Chronic Cough, Lung Metastases, Bronchiectasis, Lung Nodules, and Advanced Bronchoscopy.

Samuel Szumstein, M.D., earned his medical degree from Universidad Central de Venezuela in Caracas, Venezuela. He completed his residency at Albert Einstein College of Medicine. He completed his pulmonary, sleep and critical care medicine fellowships at the University of Pittsburgh Medical Center. Prior to joining Piedmont Physicians, Dr. Szumstein was in practice with Georgia Lung Associates. Previous to that, he was an assistant professor at the University of Virginia and helped train residents and worked as a staff physician at Salem Veterans Affairs Medical Center in Salem, Va. He is board certified in pulmonary diseases, critical care medicine and sleep medicine. In his spare time, Dr. Szumstein enjoys spending time with his family, while traveling, hitting the slopes, riding jet skis, watching sports and listening to a wide range of music. Dr. Szumstein welcomes new patients and accepts most insurance plans. Dr. Szumstein is rated as an Experienced provider by MediFind in the treatment of Alpha-1 Antitrypsin Deficiency (AATD). His top areas of expertise are Obstructive Sleep Apnea, Lung Metastases, Excessive Daytime Sleepiness, and Irregular Sleep-Wake Syndrome.

Sriram I. Paramesh, M.D., earned his medical degree from Albany Medical College in Albany, N.Y. He completed his residency at the University of Pittsburgh. He received his undergraduate degree from Johns Hopkins University. Prior to joining Piedmont Physicians, Dr. Paramesh was in practice with Georgia Lung Associates. Dr. Paramesh has been practicing medicine since 1999. He holds board certifications in critical care medicine, pulmonary disease and internal medicine. Dr. Paramesh specializes in pulmonary rehabilitation and sarcoidosis.In his spare time, Dr. Paramesh enjoys playing tennis, traveling, fine dining and reading.Dr. Paramesh welcomes new patients and accepts most insurance plans. Dr. Paramesh is rated as an Advanced provider by MediFind in the treatment of Alpha-1 Antitrypsin Deficiency (AATD). His top areas of expertise are Lung Metastases, Acute Interstitial Pneumonia, Bronchiectasis, Gastrostomy, and Advanced Bronchoscopy.

Mark Schlosberg is a Pulmonary Medicine specialist and an Intensive Care Medicine provider in Kennesaw, Georgia. Dr. Schlosberg is rated as an Experienced provider by MediFind in the treatment of Alpha-1 Antitrypsin Deficiency (AATD). His top areas of expertise are Lung Metastases, Emphysema, Chronic Cough, and Bullae. Dr. Schlosberg is currently accepting new patients.

Steven E. Harris, M.D., FCCP, earned his medical degree from Tulane University School of Medicine in New Orleans, La. He completed his residency at George Washington University. He received his undergraduate degree from the University of Maryland. Prior to joining Piedmont Physicians, Dr. Harris was in practice with Georgia Lung Associates. Dr. Harris has been practicing medicine for 24 years. He is the Director of the Asthma and Allergy program at Piedmont Physicians Georgia Lung and holds board certifications in pulmonary disease and internal medicine. Dr. Harris also specializes in Allergy and Asthma for pulmonary patients. In his spare time, Dr. Harris enjoys spending time with his family and playing golf. Dr. Harris welcomes new patients and accepts most insurance plans. Dr. Harris is rated as an Experienced provider by MediFind in the treatment of Alpha-1 Antitrypsin Deficiency (AATD). His top areas of expertise are Chronic Cough, Lung Metastases, Chronic Obstructive Pulmonary Disease (COPD), and Pneumonia.

James Daniel is a Pulmonary Medicine specialist and an Intensive Care Medicine provider in Marietta, Georgia. Dr. Daniel is rated as an Experienced provider by MediFind in the treatment of Alpha-1 Antitrypsin Deficiency (AATD). His top areas of expertise are Hospital-Acquired Pneumonia, Atypical Pneumonia, Lung Nodules, and Lung Metastases.

James Fisher is a primary care provider, practicing in Internal Medicine in Marietta, Georgia. Dr. Fisher is rated as an Experienced provider by MediFind in the treatment of Alpha-1 Antitrypsin Deficiency (AATD). His top areas of expertise are High Cholesterol, Enlarged Prostate (BPH), Familial Combined Hyperlipidemia, and Xanthoma. Dr. Fisher is currently accepting new patients.

Robert West is a primary care provider, practicing in Internal Medicine in Marietta, Georgia. Dr. West is rated as an Experienced provider by MediFind in the treatment of Alpha-1 Antitrypsin Deficiency (AATD). His top areas of expertise are Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, Hypertension, and Cirrhosis. Dr. West is currently accepting new patients.

Vineet Reddy is a Pulmonary Medicine provider in Marietta, Georgia. Dr. Reddy is rated as an Experienced provider by MediFind in the treatment of Alpha-1 Antitrypsin Deficiency (AATD). His top areas of expertise are Lung Metastases, Pneumonia, Chronic Obstructive Pulmonary Disease (COPD), and Acute Interstitial Pneumonia. Dr. Reddy is currently accepting new patients.

Sachin Goel is a Gastroenterologist in Marietta, Georgia. Dr. Goel is rated as an Experienced provider by MediFind in the treatment of Alpha-1 Antitrypsin Deficiency (AATD). His top areas of expertise are Ascites, Childhood Pancreatitis, Jaundice, Transcatheter Aortic Valve Replacement (TAVR), and Aortic Valve Replacement.

Kunjal Gandhi is a Gastroenterologist in Marietta, Georgia. Dr. Gandhi is rated as an Experienced provider by MediFind in the treatment of Alpha-1 Antitrypsin Deficiency (AATD). Her top areas of expertise are Morning Sickness, Bacterial Gastroenteritis, Gastroesophageal Reflux Disease (GERD), Colonoscopy, and Gastrectomy.

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 an Advanced provider by MediFind in the treatment of Alpha-1 Antitrypsin Deficiency (AATD). 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 an Advanced provider by MediFind in the treatment of Alpha-1 Antitrypsin Deficiency (AATD). His top areas of expertise are Ascites, Alcoholic Cirrhosis, Cirrhosis, Hepatitis, and Liver Transplant. Dr. Lemmer is currently accepting new patients.

Coy Lassiter, M.D., graduated magna cum laude with a bachelor of science in biology from the University of Georgia. He earned his medical degree from Mercer School of Medicine in Macon, Ga. He completed his residency in internal medicine, as well as his pulmonary and critical care fellowship at Emory University School of Medicine. He served as chief resident of internal medicine at Emory University Hospital from 2003 to 2004.Prior to joining Piedmont Physicians, Dr. Lassiter was in practice with Georgia Lung Associates and has been practicing medicine for 13 years. He holds board certifications in critical care medicine, pulmonary disease and internal medicine and has training in advanced bronchoscopy. He prides himself on being a well-rounded physician and maintains special interests in interventional bronchoscopy, lung cancer and pulmonary thromboembolism.Dr. Lassiter is considered to be warm and friendly and his fellow physicians describe him as having a great vision and leadership for the practice of medicine. His patients consider him compassionate to their needs and devoted to excellence in medical practice.Dr. Lassiter welcomes new patients and accepts most insurance plans. Dr. Lassiter is rated as an Advanced provider by MediFind in the treatment of Alpha-1 Antitrypsin Deficiency (AATD). His top areas of expertise are Lung Metastases, Bronchiectasis, Chronic Obstructive Pulmonary Disease (COPD), Lung Nodules, and Gastrostomy.

C Schramm is a primary care provider, practicing in Family Medicine in Atlanta, Georgia. Dr. Schramm is rated as an Experienced provider by MediFind in the treatment of Alpha-1 Antitrypsin Deficiency (AATD). His top areas of expertise are Sitosterolemia, Insomnia, Oral Herpes, and High Cholesterol. Dr. Schramm is currently accepting new patients.

Colin Swenson is a Pulmonary Medicine provider in Atlanta, Georgia. Dr. Swenson has been practicing medicine for over 17 years and is rated as an Experienced provider by MediFind in the treatment of Alpha-1 Antitrypsin Deficiency (AATD). His top areas of expertise are Bronchiectasis, Nontuberculous Mycobacterial Lung Disease, Lung Metastases, and Allergic Bronchopulmonary Aspergillosis.

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 an Experienced provider by MediFind in the treatment of Alpha-1 Antitrypsin Deficiency (AATD). His top areas of expertise are Hepatitis, Liver Failure, Visceromegaly, Enlarged Liver, and Liver Transplant.

H Hon is a Transplant Surgeon in Atlanta, Georgia. Dr. Hon is rated as an Experienced provider by MediFind in the treatment of Alpha-1 Antitrypsin Deficiency (AATD). Her top areas of expertise are Enlarged Liver, Visceromegaly, Cirrhosis, Gastrectomy, and Endoscopy. Dr. Hon is currently accepting new patients.

Michael Galambos is a Hepatologist and a Gastroenterologist in Atlanta, Georgia. Dr. Galambos is rated as an Experienced provider by MediFind in the treatment of Alpha-1 Antitrypsin Deficiency (AATD). His top areas of expertise are Primary Biliary Cholangitis, Cirrhosis, Enlarged Liver, Endoscopy, and Colonoscopy. Dr. Galambos is currently accepting new patients.

James W. Chang, DO, FCCP, received his undergraduate degree from University of California, San Diego. He earned his medical degree from Philadelphia College of Osteopathic Medicine, Georgia Campus. He completed his internal medicine residency at Michigan State University and pulmonary and critical care medicine fellowship at Case Western Reserve University in Cleveland, Ohio. Dr. Chang is board certified in internal medicine, pulmonary disease and critical care medicine. Dr. Chang has presented at national conferences and published in peer-reviewed journals. He is a member of the American Thoracic Society, American College of Chest Physicians and the Society of Critical Care Medicine.Dr. Chang specializes in pulmonary disease and critical care medicine. He has special interests in asthma, COPD, bronchiectasis, lung nodules and lung cancer. He performs advanced bronchoscopy techniques such as endobronchial ultrasound (EBUS) and electromagnetic navigation bronchoscopy. He provides intensive care unit coverage and pulmonary consultations at Piedmont Atlanta Hospital.In his spare time, Dr. Chang enjoys spending time with his family, traveling and sports.Dr. Chang welcomes new patients and accepts most insurance plans.Please note that Dr. Chang does not specialize in sleep medicine. Dr. Chang is rated as an Experienced provider by MediFind in the treatment of Alpha-1 Antitrypsin Deficiency (AATD). His top areas of expertise are Lung Metastases, Pneumonia, Liver Failure, Bronchogenic Cyst, and Gastrostomy.