Wellstar Urology

Dr. Theiss graduated with a Bachelor of Business Administration (Summa Cum Laude) from James Madison University and completed a Post-Baccalaureate Pre-Health Program at University of Pennsylvania. She received her medical degree from Emory University School of Medicine and completed her general surgery and urologic residency training at University of Miami.

Dr. Theiss is a board certified Urologist whose training covers the breadth of urology. She has particular interest in medical and surgical treatment of kidney stones, enlarged prostate disease – including minimally invasive procedures, female pelvic prolapse and stress urinary incontinence, and cancer of the prostate and bladder. She is a published author and has presented her research at national and international urology conferences. Her goal is to provide consistent and beneficial results for her patients. In addition, Dr. Theiss is fluent in Spanish and is a Clinical Urology Instructor for Internal Medicine Residency Program.

Her clinical interests include:

• Enlarged prostate disease including minimally invasive procedures and medical management
• Kidney stone management and minimally invasive surgery/endoscopy, and prevention
• Female pelvic prolapse and stress urinary incontinence in women
• Urologic cancer – Bladder, Prostate

She is a member of American Urologic Association, Cobb County Medical Society, Medical Association of Georgia and Christian Medical Dental Association. During her leisure time, Dr. Theiss enjoys running, adventure traveling, gardening and being with her kids and grandchildren. She enjoys participating in mission trips to the Middle East and Central America as well as leading neighborhood Bible studies with her husband.

Dr. Kapil Pareek earned his undergraduate degree in physics at Emory University. He then finished his medical school at the University of South Alabama in Mobile, Alabama. He finished his urology residency at the University of Miami in Miami, Florida. He practiced in Jackson, Mississippi, from 2003 to 2010 before moving to Georgia. He was practicing in the Atlanta suburbs of Gainesville and Braselton for the past 15 years before moving to Wellstar Urology in 2025.

Dr. Pareek is board certified in Urology and a member of the American Urological Association. He sees adult patients with all of the common urologic conditions including benign prostatic hyperplasia (BPH), urinary tract stones, urinary incontinence (both men and women), and urologic malignancies.

In his spare time, Dr. Pareek enjoys traveling with his family and landscape photography.

Michael Bryant is a Georgia native having grown up in Gwinnett County and has lived in the Atlanta area most of his life. He received his bachelor’s degree in psychology from Amherst College in Massachusetts. He received his medical degree from Emory University, where he also completed his internship in general surgery and his urology residency.

Dr. Bryant is Board Certified in Urology. He is a Diplomate of the American Board of Urology and a member of the American Urological Association. He treats a wide variety of men’s and women’s urologic conditions and is committed to providing compassionate, effective care using the latest medical advances and technologies.

Dr. Bryant is married with two young children and a dog. In his free time, he enjoys spending time with his family, running, movies, books, and is an avid fan of the Atlanta Braves, Atlanta United, and University of Kentucky basketball.

Dr. Al Ray, III, graduated from The University of Georgia with a B.S. in Cellular Biology. During his time at UGA, he also participated in the Center for Undergraduate Research Opportunities (CURO) Fellowship program and conducted studies in microbiology and genetics. Following this, he went on to complete medical school at the Medical College of Georgia. Dr. Ray completed his urology residency at Case Western Reserve University Hospital. His interests include scrotal and inguinal surgery, kidney stone disease, and benign prostatic hyperplasia (BPH), with a special focus on Holmium Laser Enucleation of the Prostate (HOLEP).

Dr. Ray is happy to return to his native Atlanta and serve his community. In his spare time, he enjoys spending time with his family, running, and music production.

Dr. Chun graduated from Emory University in Atlanta and received his medical degree from the University of Miami. He completed his general surgery residency at the Hospital of St. Raphael and his urology residency at Brady Urological Institute and Emory University School of Medicine. Dr. Chun is board certified in Urology. He joined Urology Associates in 2003 and is currently on staff at the Marietta and East Cobb Health Park offices. Dr. Chun is committed to minimally invasive surgery and performs cutting-edge surgery using the daVinci Surgical System. He is a prominent thought-leader for robotic prostate and kidney surgery. He currently serves as a proctor for robotic-assisted surgery and has given a series of lectures on the benefits of the daVinci Surgical System.

Dr. Chun provides Interstim therapy for urinary incontinence, overactive bladder, urinary retention and fecal incontinence. He has over 10 years of extensive experience in therapy and has been a proctor for Interstim procedure since 2006. He offers the therapy at both the Kennestone Urology Procedure Center and Wellstar Kennestone Hospital.