Overview
Dr. Andrew J. Cohen is an Associate Professor of Urology at Johns Hopkins. He serves as the Division Director of Benign Urology and Director of Advanced Practice Providers at the Johns Hopkins Brady Urological Institute. He has a robust clinical practice focusing on complex genitourinary reconstruction. In particular, he has interest in the management of erectile dysfunction, urinary incontinence, stricture diseases of the urinary system, peyronie's disease, genital skin conditions, buried penis, urinary diversion, and other benign urologic conditions. He has extensive experience in robotic surgery. He also focuses on issues pertinent to cancer survivorship in men. He is well equipped to perform novel minimally invasive procedures such as endoscopic urethroplasty and robotic buccal ureteroplasty. He has an extensive research portfolio, with particular concentration in outcomes and safety research. Dr. Cohen received dual B.S. degrees summa cum laude from the University of Florida in Chemistry and Chemical Engineering, followed by an MD from the University of Chicago where he was inducted into the Alpha Omega Alpha Honor Society. His urologic training was pursued at the University of Chicago. Furthermore, he completed a fellowship in Genitourinary Reconstruction and Trauma at the University of California, San Francisco. Among many honors, he was invited to join the Trauma and Urologic Reconstructive Network of Surgeons in 2025. He was a also a recipient of the 'Rising Star' Award from the Society of Genitouinary Reconstructive Surgeons in 2025.
Dr. Cohen is highly rated in 14 conditions, according to our data. His top areas of expertise are Urethral Stricture, Hydronephrosis, Obstructive Uropathy, Prostatectomy, and Lithotripsy.
His clinical research consists of co-authoring 112 peer reviewed articles. MediFind looks at clinical research from the past 15 years.
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- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
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- EPO
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- MANAGED MEDICAID PLAN
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Locations
301 Mason Lord Drive, Suite 3200, Suite 3200, Baltimore, MD 21224
10803 Falls Road, Pavilion III STE 3300, Lutherville, MD 21093
Clinical Research
Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.
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Dr. Brian Matlaga is a Professor of Urology at Johns Hopkins University School of Medicine and also is the Director of the Stephens Center for Stone Disease as well as the Executive Vice Chair of the James Buchanan Brady Urological Institute. Dr. Matlaga is an internationally recognized expert in the medical and surgical management of patients with urinary stone disease. A frequent contributor to the medical press, with over 180 peer-reviewed publications, Dr. Matlaga’s research has received national and international awards. Dr. Matlaga sits on numerous editorial boards as well as advisory committees and guidelines panels for the American Urological Association, the American Board of Urology, the Endourological Society, and the National Institutes of Health, amongst others. Dr. Matlaga serves as Executive Medical Director of Clinical Affairs for Johns Hopkins Medicine International, the arm of Johns Hopkins Medicine that manages its global presence. In this capacity, he delivers clinical care as well as project leadership across the globe. Dr. Matlaga is highly rated in 17 conditions, according to our data. His top areas of expertise are Kidney Stones, Bladder Stones, Boils, Ureteroscopy, and Lithotripsy.
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Rian Dickstein is an Urologist in Baltimore, Maryland. Dr. Dickstein is highly rated in 35 conditions, according to our data. His top areas of expertise are Bladder Cancer, Non-Muscle Invasive Bladder Cancer, Hydronephrosis, Ureteroscopy, and Nephrectomy. Dr. Dickstein is currently accepting new patients.
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Distinguished
- HydronephrosisDr. Cohen isDistinguished. Learn about Hydronephrosis.
- Obstructive UropathyDr. Cohen isDistinguished. Learn about Obstructive Uropathy.
- UPJ ObstructionDr. Cohen isDistinguished. Learn about UPJ Obstruction.
- Urethral StrictureDr. Cohen isDistinguished. Learn about Urethral Stricture.
- Advanced
- Enlarged Prostate (BPH)Dr. Cohen isAdvanced. Learn about Enlarged Prostate (BPH).
- Intussusception in ChildrenDr. Cohen isAdvanced. Learn about Intussusception in Children.
- Kidney StonesDr. Cohen isAdvanced. Learn about Kidney Stones.
- LithotripsyDr. Cohen isAdvanced. Learn about Lithotripsy.
- Neurogenic BladderDr. Cohen isAdvanced. Learn about Neurogenic Bladder.
- ProstatectomyDr. Cohen isAdvanced. Learn about Prostatectomy.
- Experienced
- BalanitisDr. Cohen isExperienced. Learn about Balanitis.
- Bilateral HydronephrosisDr. Cohen isExperienced. Learn about Bilateral Hydronephrosis.
- Bladder CancerDr. Cohen isExperienced. Learn about Bladder Cancer.
- Bladder Outlet ObstructionDr. Cohen isExperienced. Learn about Bladder Outlet Obstruction.
- Bladder StonesDr. Cohen isExperienced. Learn about Bladder Stones.
- BoilsDr. Cohen isExperienced. Learn about Boils.