Gregory Mitchell, M.D. is a board-certified urologist with expertise in treating a broad range of male and female urologic problems. In addition to general adult urology, Dr. Mitchell is highly skilled in minimally invasive urologic, laparoscopic, and robotic surgery as well as endourology. Dr. Mitchell is experienced in treating prostate cancer, kidney cancer, bladder cancer, complex kidney stones, erectile dysfunction, and other urologic conditions with innovative and minimally invasive approaches. He also routinely performs in-office procedures such as vasectomy, cystoscopy, and prostate biopsy.After growing up in Atlanta and graduating from Georgia Tech with a B.S. in Biology in 2005, Dr. Mitchell earned an M.S. in Biology from Penn State followed by his M.D. from Tulane University School of Medicine. He completed his general surgery internship and urology residency at Tulane, where he was elected to Alpha Omega Alpha and served as Chief Resident 2016-2017. Dr. Mitchell has authored many peer-reviewed articles and book chapters. He is a member of the American Urological Association, the Southeastern Section of the AUA, the American Board of Urology, and the Georgia Urological Association and has been recognized with several professional awards.Dr. Mitchell works to provide comprehensive, compassionate care focused on each individual patient. He believes that in addition to technical proficiency and incorporation of cutting-edge treatments, effective communication is essential for excellent clinical care.In addition to urology, Dr. Mitchell enjoys spending time with his wife and three children, running, cycling, soccer, and music.Dr. Mitchell welcomes new patients and accepts most insurance plans. Dr. Mitchell is rated as a Distinguished provider by MediFind in the treatment of Eunuchoidism Familial Hypogonadotropic. His top areas of expertise are Male Pseudohermaphroditism with Gynecomastia, Eunuchoidism Familial Hypogonadotropic, Testicular Failure, Ureteroscopy, and Nephrectomy.

Dr. McCall earned his medical degree from the Medical College of Georgia, in Augusta, GA, and then completed his Urology residency at the University of Rochester in Rochester, NY. He first practiced in Cameroon for five years under the auspices of the Presbyterian Church (USA). He has since practiced adult and pediatric urology in the Columbus area for over 25 years. He is board certified by the American Board of Urology.Dr. McCall is married with three children. He enjoys the outdoors. Dr. Mccall is rated as a Distinguished provider by MediFind in the treatment of Eunuchoidism Familial Hypogonadotropic. His top areas of expertise are Prostate Cancer, Familial Prostate Cancer, Enlarged Prostate (BPH), Ureteroscopy, and Ureteral Reconstruction.

George Jabren is a Urologist in Stockbridge, Georgia. Dr. Jabren is rated as a Distinguished provider by MediFind in the treatment of Eunuchoidism Familial Hypogonadotropic. His top areas of expertise are Perirenal Abscess, Carbuncle, Bladder Outlet Obstruction, Folliculitis, and Ureteroscopy. Dr. Jabren is currently accepting new patients.

Hollis Sigman, M.D. did his undergraduate work at Vanderbilt University in Nashville, Tennessee. He then obtained his medical degree at the Medical College of Georgia in Augusta, Ga. He then completed his urology residency at the Medical College of Virginia in Richmond, Virginia. Upon completion in 2000, Dr. Sigman moved back to his hometown of Columbus, Georgia, where he has been practicing ever since. He is currently board certified by the American Board of Urology. Dr. Sigman specializes primarily in adult urology, but does see some aspects of pediatric urology. He manages both acute and chronic urological conditions both medical and surgically in outpatient and hospital settings. Dr. Sigman is rated as a Distinguished provider by MediFind in the treatment of Eunuchoidism Familial Hypogonadotropic. His top areas of expertise are Perirenal Abscess, Carbuncle, Boils, Reconstructive Urology Surgery, and Nephrectomy.

Alan Justice is a primary care provider, practicing in Internal Medicine in Macon, Georgia. Dr. Justice is rated as a Distinguished provider by MediFind in the treatment of Eunuchoidism Familial Hypogonadotropic. His top areas of expertise are Cirrhosis, Xanthoma, Familial Combined Hyperlipidemia, and High Cholesterol. Dr. Justice is currently accepting new patients.

Barry Johns is an Endocrinologist in Macon, Georgia. Dr. Johns is rated as a Distinguished provider by MediFind in the treatment of Eunuchoidism Familial Hypogonadotropic. His top areas of expertise are Type 2 Diabetes (T2D), Hypothyroidism, Male Pseudohermaphroditism with Gynecomastia, and Eunuchoidism Familial Hypogonadotropic. Dr. Johns is currently accepting new patients.

Mohammad Shroof is a primary care provider, practicing in Family Medicine in Warner Robins, Georgia. Dr. Shroof has been practicing medicine for over 34 years and is rated as a Distinguished provider by MediFind in the treatment of Eunuchoidism Familial Hypogonadotropic. His top areas of expertise are Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, Hypertension, Gastrostomy, and Endoscopy.

Thomas Nguyen is a primary care provider, practicing in Family Medicine in East Ellijay, Georgia. Dr. Nguyen is rated as a Distinguished provider by MediFind in the treatment of Eunuchoidism Familial Hypogonadotropic. His top areas of expertise are Obesity, Acute Cystitis, Male Pseudohermaphroditism with Gynecomastia, and Eunuchoidism Familial Hypogonadotropic. Dr. Nguyen is currently accepting new patients.

Conrado Tojino is a Urologist in Augusta, Georgia. Dr. Tojino is rated as a Distinguished provider by MediFind in the treatment of Eunuchoidism Familial Hypogonadotropic. His top areas of expertise are Ochoa Syndrome, UPJ Obstruction, Urinary Tract Infection in Children, Ureteroscopy, and Reconstructive Urology Surgery. Dr. Tojino is currently accepting new patients.

James Cullison is a Urologist in Carrollton, Georgia. Dr. Cullison is rated as a Distinguished provider by MediFind in the treatment of Eunuchoidism Familial Hypogonadotropic. His top areas of expertise are Urinary Tract Infection in Children, UPJ Obstruction, Perirenal Abscess, Boils, and Ureteroscopy.

Thomas Fassuliotis is a Urologist in Gainesville, Georgia. Dr. Fassuliotis is rated as an Advanced provider by MediFind in the treatment of Eunuchoidism Familial Hypogonadotropic. His top areas of expertise are Muscle Invasive Bladder Cancer, Familial Prostate Cancer, Prostate Cancer, Ureteroscopy, and Prostatectomy.

David Woo is a Urologist in Gainesville, Georgia. Dr. Woo is rated as an Advanced provider by MediFind in the treatment of Eunuchoidism Familial Hypogonadotropic. His top areas of expertise are Kidney Stones, Enlarged Prostate (BPH), Urinary Tract Infection in Children, Ureteroscopy, and Prostatectomy.

James Libby is a Urologist in Stockbridge, Georgia. Dr. Libby is rated as an Advanced provider by MediFind in the treatment of Eunuchoidism Familial Hypogonadotropic. His top areas of expertise are Acute Cystitis, Enlarged Prostate (BPH), UPJ Obstruction, Kidney Stones, and Ureteroscopy. Dr. Libby is currently accepting new patients.

Adam Lorentz is a Urologist in Atlanta, Georgia. Dr. Lorentz is rated as an Advanced provider by MediFind in the treatment of Eunuchoidism Familial Hypogonadotropic. His top areas of expertise are Eunuchoidism Familial Hypogonadotropic, Obstructive Uropathy, Bladder Cancer, Nephrectomy, and Thrombectomy.

Steven Leichter, M.D., is a nationally recognized, board certified endocrinologist and Fellow of the American College of Physicians and American College of Clinical Endocrinologists. Dr. Leichter has a special interest in treating metabolic diseases and osteoporosis. Other specialty areas include hormonal evaluations of orthostatic hypotension and tachycardia, metabolic evaluation of kidney stones and diagnostic challenges. He has published over 80 papers and continues to carry out clinical research.Dr. Leichter is married and has five children, nine grandchildren, two great grandchildren and one dog. Dr. Leichter is rated as an Advanced provider by MediFind in the treatment of Eunuchoidism Familial Hypogonadotropic. His top areas of expertise are Type 1 Diabetes (T1D), Hashimoto Thyroiditis, Type 2 Diabetes (T2D), and Polycystic Ovary Syndrome.

Orlando Lopez is a Urologist in Atlanta, Georgia. Dr. Lopez is rated as an Advanced provider by MediFind in the treatment of Eunuchoidism Familial Hypogonadotropic. His top areas of expertise are Bladder Outlet Obstruction, Enlarged Prostate (BPH), Frequent or Urgent Urination, Kidney Stones, and Ureteroscopy. Dr. Lopez is currently accepting new patients.

Dr. Herskowitz specializes in Endocrinology, with a special interest in the treatment of Diabetes, Grave's Disease, Thyroid Disorders, and Pituitary Diseases.Dr. Herskowitz has over 30 years of experience and is board certified by the American Board of Internal Medicine in both Internal Medicine and Endocrinology. Dr. Herskowitz is also a member of the Endocrine Society and American Association of Clinical Endocrinology.In his spare time, Dr. Herskowitz enjoys spending time with family and doing fun adventures with his children. Dr. Herskowitz enjoys reading and playing with his three dogs, Pearl, Blossom, and Lucky. Dr. Herskowitz is rated as an Advanced provider by MediFind in the treatment of Eunuchoidism Familial Hypogonadotropic. His top areas of expertise are Toxic Nodular Goiter, Type 2 Diabetes (T2D), Type 1 Diabetes (T1D), and Hypothyroidism.

Robert Byrne is a Urologist in Watkinsville, Georgia. Dr. Byrne is rated as an Advanced provider by MediFind in the treatment of Eunuchoidism Familial Hypogonadotropic. His top areas of expertise are UPJ Obstruction, Perirenal Abscess, Boils, Urinary Tract Infection in Children, and Ureteroscopy. Dr. Byrne is currently accepting new patients.

Dr. Sand earned his medical degree from the University of North Carolina's School of Medicine where he graduated with Honors. He completed his surgical internship and residency in Urology at New York University Medical Center. He received his undergraduate degree in Microbiology from the University of Georgia, graduating with First Honor status. Prior to joining Piedmont Physicians Urology Specialists, Dr. Sand was the Chief Resident in Urology at the New York University Medical Center where he trained with national experts in prostate cancer, Robotic Surgery, Urologic stone disease, and Female Urologic disorders. He is board certified in urology. Dr. Sand's interests include treating patients with low testosterone, erectile dysfunction, stone disease and voiding dysfunction including male and female urinary incontinence. In his spare time, Dr. Sand enjoys spending time with his family, traveling and is also an avid college football fan. Dr. Sand strives to treat the patient as a whole and works with his patients to develop treatment plans that maximize efficacy and patient satisfaction. Dr. Sand welcomes new patients and accepts most major insurance plans. Dr. Sand is rated as an Advanced provider by MediFind in the treatment of Eunuchoidism Familial Hypogonadotropic. His top areas of expertise are Bilateral Hydronephrosis, Hydronephrosis, Obstructive Uropathy, Ureteroscopy, and Prostatectomy.

Benjamin Lee is a Urologist in Stockbridge, Georgia. Dr. Lee is rated as an Advanced provider by MediFind in the treatment of Eunuchoidism Familial Hypogonadotropic. His top areas of expertise are Bladder Outlet Obstruction, Enlarged Prostate (BPH), Carbuncle, Ureteroscopy, and Prostatectomy. Dr. Lee is currently accepting new patients.