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University of Maryland Bladder Care Center

Health Care Providers


Toby C. Chai, M.D. Toby C. Chai, M.D.
Dr. Chai is a Professor of Surgery, in the Division of Urology. He received his M.D. from Indiana University, served a urology residency at the University of Michigan Medical Center and completed a urology and neuroscience fellowship at the University of Virginia, where he was an American Foundation for Urologic Disease research scholar.

Dr. Chai has won numerous awards for his academic contributions, including the 2001 Young Investigator Award from the Society for Basic Urologic Research and the 2005 Paul Zimskind Award from the Society for Urodynamics and Female Urology. He is a recognized national leader in the field of bladder conditions and voiding dysfunction. In addition, Dr. Chai has published over 50 peer-reviewed papers, chapters, reviews, and essays. He has lectured internationally.

His special interests include urodynamics, incontinence, female urology, voiding dysfunction, interstitial cystitis and bladder reconstruction.


Harry W. Johnson Jr., M.D. Harry W. Johnson, Jr., M.D.
Dr. Johnson is Associate Professor of Obstetrics, Gynecology and Reproductive Sciences and Director of the Division of Urogynecology and Pelvic Reconstructive Surgery at the University of Maryland School of Medicine. Board certified in obstetrics and gynecology, he previously served as Director of Urogynecology at the National Naval Medical Center in Bethesda, MD and was the Residency Program Director at University of Maryland for 11 years.

His special interests include hysteroscopy, urogynecology, laparoscopic surgery/pelvoscopy, urinary incontinence, pelvic organ prolapse, pelvic reconstructive surgery, and minimally invasive surgery.


Dorothy Atkins, M.S., C.R.N.P. Dorothy Atkins, M.S., C.R.N.P.
Certified Registered Nurse Practitioner
Dottie is a Certified Registered Nurse Practitioner (CRNP) who is an independent care provider in the Women's Center at University of Maryland Professional Building. Dottie has been active in the field of women's health for over 25 years. She provides primary care to women at the Women's Center. She is the recipient of the President's Award -- Service to Patients awarded to her by University Physicians, Inc. at University of Maryland Baltimore. She has given multiple lectures related to women's health issues in the Baltimore regional area. Dottie is dedicated to providing the best care to women patients afflicted with bladder conditions as part of our team approach here at University of Maryland Bladder Care Center.


This page was last updated on: July 3, 2007.

For patient inquiries, call 1-800-492-5538 or click here to make an appointment.