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Our Physicians

Jason M. Walther, MD | Michael Zaragoza, MD, FACS | J. Henry Kim, MD, FACS | Christopher J. Vallorosi, MD, FACS | Donald D. Suh, MD | Gregory Spana, MD

Jason M. Walther, MD

Jason M. Walther, MD

Dr. Walther received his medical degree from the University of East Manila in the Philippines in 1981. Prior to his medical degree he completed a Masters Degree in Microbiology and worked as a research assistant in the Department of Reproductive Medicine and Biology at the University of Texas.

He completed his urology residency at St Lukes-Roosevelt Hospital Center in June of 1987. He joined the Urology Associates of Dover practice upon completion of his residency.

Dr. Walther's special interests are in the areas of infertility, urologic cancers, including brachytherapy (seed implants) for prostate cancer, and kidney stone disease.

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Michael Zaragoza, MD, FACS

Michael Zaragoza, MD, FACS

Dr. Zaragoza received his medical degree from Jefferson Medical College in Philadelphia, Pennsylvania, in 1987. He completed his Residency in Urology at the University of Michigan at Ann Arbor in 1993, following the completion of his surgical residencies at Eastern Virginia School of Medicine in Norfolk, Virginia, and the University of Michigan. He is a board certified urologist and a Fellow of the American College of Surgeons.

He has practiced with Urology Associates of Dover since 1993. He is currently chief of the department of surgery at Bayhealth Medical Center, Kent General Hospital in Dover and serves as President of the Delaware Urological Society. He acts as a consultant to the Journal of Urology and is associate editor of The Delaware Medical Journal.

Dr. Zaragoza's specialties lie in female urology and incontinence. He serves as the Medical Director of the Continence Center at Kent General Hospital in Dover, and has also served as a clinical preceptor to other urologists for Bard Contigen injections. Dr. Zaragoza also specializes in urologic oncology treatments, including brachytherapy (seed implants) and nerve sparing radical prostatectomy for prostate cancer.

To view Dr. Zaragoza's complete curriculum vitae click here.

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J. Henry Kim, MD, FACS

J. Henry Kim, MD, FACS

Dr. Kim is a board certified Urologist who received his medical degree from the University of Maryland in Baltimore in 1991. He completed a surgical internship and residency there in 1993 before moving to West Virginia University Hospital, where he completed his residency in urology in 1997. He has been in practice in Dover, DE, since July 1997. He is a Fellow of the American College of Surgeons.

Dr. Kim's areas of special interest include minimally invasive treatment of kidney stone disease (laser lithotripsy, percutaneous nephrolithotomy, and ESWL) and urologic oncology (prostate, bladder, and kidney cancers).

Other areas of focus include vasectomy/vasectomy reversal and minimally invasive treatment of BPH with Microwave Thermotherapy and Indigo Laser treatment.

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Christopher J. Vallorosi, MD, FACS

Christopher J. Vallorosi, MD, FACS

Dr. Vallorosi received his Bachelor of Science degree from the University of Michigan in 1991. He then received his medical degree from Hahnemann University School of Medicine in Philadelphia in 1995. He completed a General Surgery Internship at the University of Michigan Medical Center in 1996. He then completed his Urology Residency at the University of Michigan Medical Center in 2001. He has a diverse training background in all areas of urologic disease. Dr. Vallorosi received awards from the American Association for Cancer Research for his special research work on prostate cancer. He has published numerous papers in Urology journals and has performed many presentations at the American Urological Association conferences.

Dr. Vallorosi's clinical interests are in urologic oncology including the treatment of cancers of the prostate/bladder/kidney, benign prostatic hypertrophy, overactive bladder, urinary incontinence, kidney stones, erectile dysfunction, hypogonadism and testosterone replacement therapy, urinary tract infections, interstitial cystitis, voiding dysfunction, and infertility.

Dr. Vallorosi is a member of the American Urological Association, American College of Surgeons, American Association of Clinical Urologists, Endourological Society, Delaware Urological Society and the Medical Society of Delaware. He is board certified by the American Board of Urology and is a Fellow of the American College of Surgeons.



Dr. Vallorosi was invited to Yankee Stadium to do prostate exams

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Donald D. Suh, MD

Donald D. Suh, MD

Dr. Suh received his medical degree from the University of Pennsylvania in Philadelphia, in 1998. He completed his internship in general surgery at the University of Washington, Seattle in 1999 and his urology residency at the University of Washington, Seattle in 2004.

Dr. Suh is board certified by the American Board of Urology, and is a member of the American Urological Association.

Dr. Suh practices all aspects of urology. His special interests include minimally invasive treatments of BPH (Benign Prostatic Hypertrophy), kidney stones, female incontinence, and urologic cancers (including laparascopic kidney surgery).

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Gregory Spana, MD

Gregory Spana, MD

Dr. Spana recently completed a fellowship in robotic and advanced laparoscopic surgery at the Cleveland Clinic. He completed his urology residency at SUNY Upstate Medical University in Syracuse, NY. He has published in a variety of peer-reviewed journals and co-authored a book chapter on Renal Masses.

 

Dr. Spana’s areas of special interest are prostate, kidney, and bladder cancers, and kidney stones. He is skilled in minimally invasive procedures and in the use of the da Vinci robotic surgical system for urologic surgery. He is a member of the American Urologic Association, the American Association of Clinical Urologists, and the Endourological Society.

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Specializing in Minimally Invasive Treatment for Enlarged Prostate

Single Nonsurgical
Office-Based Treatment

Safe and Highly
Effective

Resume Normal Activity
Within 24 Hours

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