Dr. Bass attended Duke University for college and medical school, and received residency training in internal medicine and an MPH degree from the University of Pittsburgh. He completed a fellowship in general internal medicine at Johns Hopkins, and joined the Johns Hopkins faculty in 1989. His strongest research interests are in evidence-based medicine and assessment of the effectiveness, safety, and costs of medical and surgical management strategies. He has been the Director of the Johns Hopkins Evidence-based Practice Center since 2001. His teaching activities focus on medical student education at the interface between medicine and public health. He is the Director of the medical school's course on Foundations of Public Health, and Co-Director of the medical school's Scholarly Concentration in Public Health Research. He was the Director of the General Internal Medicine Fellowship at Johns Hopkins for 15 years. He served as the Editor of the Journal of General Internal Medicine for 5 years, and was the founding Editor-in-Chief of a journal dedicated to community-based participatory research called Progress in Community Health Partnerships. He has been the CEO of the Society of General Internal Medicine since 2017. He has published more than 250 peer-reviewed articles and over 50 evidence reports. He continues to have a clinical practice as a general internist. Dr. Bass is rated as an Experienced provider by MediFind in the treatment of Leydig Cell Testicular Tumor. His top areas of expertise are Testicular Cancer, Varicose Veins, Type 2 Diabetes (T2D), Leydig Cell Testicular Tumor, and Orchiectomy.

Kent Krejci is an Urologist and a Rheumatologist in Bowie, Maryland. Dr. Krejci is rated as an Experienced provider by MediFind in the treatment of Leydig Cell Testicular Tumor. His top areas of expertise are Non-Muscle Invasive Bladder Cancer, Muscle Invasive Bladder Cancer, Bladder Cancer, Ureteroscopy, and Reconstructive Urology Surgery. Dr. Krejci is currently accepting new patients.

Mark Shimko is an Urologist in Baltimore, Maryland. Dr. Shimko is rated as an Experienced provider by MediFind in the treatment of Leydig Cell Testicular Tumor. His top areas of expertise are Prostate Cancer, Familial Prostate Cancer, UPJ Obstruction, Nephrectomy, and Reconstructive Urology Surgery. Dr. Shimko is currently accepting new patients.

David Mcdermott is an Urologist and a General Surgeon in Bowie, Maryland. Dr. Mcdermott is rated as an Experienced provider by MediFind in the treatment of Leydig Cell Testicular Tumor. His top areas of expertise are Congenital Mesoblastic Nephroma, Urothelial Cancer, Non-Muscle Invasive Bladder Cancer, Nephrectomy, and Reconstructive Urology Surgery. Dr. Mcdermott is currently accepting new patients.

Shiv Patel is an Urologist in Elkton, Maryland. Dr. Patel is rated as an Experienced provider by MediFind in the treatment of Leydig Cell Testicular Tumor. His top areas of expertise are Scrotal Swelling, Testicle Lump, Urinary Tract Infection in Children, Urinary Tract Infection (UTI), and Ureteroscopy. Dr. Patel is currently accepting new patients.

Kashif Ali is a Hematologist Oncology specialist and a Hematologist in Laurel, Maryland. Dr. Ali is rated as an Experienced provider by MediFind in the treatment of Leydig Cell Testicular Tumor. His top areas of expertise are Iron Deficiency Anemia, Agranulocytosis, Chronic Familial Neutropenia, and Childhood Iron Deficiency Anemia. Dr. Ali is currently accepting new patients.

Kevin Hackett is an Urologist in Hagerstown, Maryland. Dr. Hackett is rated as an Experienced provider by MediFind in the treatment of Leydig Cell Testicular Tumor. His top areas of expertise are UPJ Obstruction, Enlarged Prostate (BPH), Boils, Ureteroscopy, and Nephrectomy. Dr. Hackett is currently accepting new patients.

Mark Edney is an Urologist and a General Surgeon in Salisbury, Maryland. Dr. Edney is rated as an Experienced provider by MediFind in the treatment of Leydig Cell Testicular Tumor. His top areas of expertise are Familial Prostate Cancer, Prostate Cancer, UPJ Obstruction, Ureteroscopy, and Bladder Reconstruction. Dr. Edney is currently accepting new patients.

Christopher Graziano is an Urologist and a General Surgeon in Annapolis, Maryland. Dr. Graziano is rated as an Experienced provider by MediFind in the treatment of Leydig Cell Testicular Tumor. His top areas of expertise are Peyronie Disease, Urinary Tract Infection in Children, Urinary Tract Infection (UTI), Ureteroscopy, and Bladder Reconstruction. Dr. Graziano is currently accepting new patients.

John Appiott is a primary care provider, practicing in Family Medicine in Federalsburg, Maryland. Dr. Appiott is rated as an Experienced provider by MediFind in the treatment of Leydig Cell Testicular Tumor. His top areas of expertise are Chronic Kidney Disease, Hypertension, Familial Hypertension, and Glucocorticoid-Remediable Aldosteronism. Dr. Appiott is currently accepting new patients.

Nayantara Mendonca is a primary care provider, practicing in Internal Medicine in Huntingtown, Maryland. Dr. Mendonca is rated as an Experienced provider by MediFind in the treatment of Leydig Cell Testicular Tumor. Her top areas of expertise are Tracheitis, Empyema, Sinusitis, and Pustules. Dr. Mendonca is currently accepting new patients.

Shaoqing Zhou is an Urologist in Annapolis, Maryland. Dr. Zhou is rated as an Experienced provider by MediFind in the treatment of Leydig Cell Testicular Tumor. His top areas of expertise are Urinary Tract Infection in Children, Urinary Tract Infection (UTI), Kidney Stones, Ureteroscopy, and Reconstructive Urology Surgery. Dr. Zhou is currently accepting new patients.

Vinh Mai is a primary care provider, practicing in Internal Medicine in Bethesda, Maryland. Dr. Mai is rated as an Experienced provider by MediFind in the treatment of Leydig Cell Testicular Tumor. His top areas of expertise are Hypothyroidism, Glucagonoma, Nephrocalcinosis, Hormone Replacement Therapy (HRT), and Thyroidectomy.

Mary Mcmaster is an Oncologist in Bethesda, Maryland. Dr. Mcmaster is rated as an Experienced provider by MediFind in the treatment of Leydig Cell Testicular Tumor. Her top areas of expertise are Chordoma, Hodgkin Lymphoma, Chronic B-Cell Leukemia (CBCL), Chronic Lymphocytic Leukemia (CLL), and Bone Marrow Aspiration.

Robert Hoofnagle is an Urologist in Bel Air, Maryland. Dr. Hoofnagle is rated as an Experienced provider by MediFind in the treatment of Leydig Cell Testicular Tumor. His top areas of expertise are Enlarged Prostate (BPH), Urinary Tract Infection in Children, Urinary Tract Infection (UTI), and Familial Prostate Cancer. Dr. Hoofnagle is currently accepting new patients.

Matthew Heavner is an Urologist in Bowie, Maryland. Dr. Heavner has been practicing medicine for over 10 years and is rated as an Experienced provider by MediFind in the treatment of Leydig Cell Testicular Tumor. His top areas of expertise are Urinary Tract Infection in Children, Urinary Tract Infection (UTI), Congenital Mesoblastic Nephroma, Nephrectomy, and Ureteroscopy. Dr. Heavner is currently accepting new patients.

Aaron Weinberg is an Urologist in Baltimore, Maryland. Dr. Weinberg is rated as an Experienced provider by MediFind in the treatment of Leydig Cell Testicular Tumor. His top areas of expertise are Peyronie Disease, Urinary Incontinence, Male Pseudohermaphroditism with Gynecomastia, Prostatectomy, and Ureteral Reconstruction. Dr. Weinberg is currently accepting new patients.