Obstetrics & Gynecology

Michael T. Breen, MD, has served the Central Texas community as an OB/GYN for the past 22 years. He attended medical school at the University of Texas Medical Branch in Galveston and completed two residencies: one in family medicine and one in obstetrics and gynecology.

Dr. Breen focuses on treating women with infertility, chronic pelvic pain, endometriosis, pelvic masses, PMS, perimenopause and menopause. He is an expert in laser and laparoscopic surgery. Dr. Breen is a fellow of the American College of Obstetrics & Gynecology and a member of the American Association of Gynecologic Laparoscopists and the Texas Association of Obstetrics & Gynecology.

Dr. Breen been delivering babies for more than 20 years and still finds every delivery miraculous. In addition, since 2006, he has been utilizing the new robotic technology to further his expertise in benign gynecologic and reconstructive surgery. He enjoys sailing and skiing with his family as well as watching his girls participate in sports.

Dr. Carter completed undergraduate studies at Southwestern University in Georgetown, TX, and obtained a graduate degree in Public Policy from the University of Chicago. She graduated from Baylor College of Medicine where she stayed to complete her residency training. While at Baylor she was inducted in Alpha Omega Alpha, the national medical honor society.

She moved to Austin after residency and was in private practice until joining the University of Texas Southwestern Austin Programs. She has been selected as a Best Doctors in America®. Best Doctors, Inc. and has received the National Patient's choice award in 2008 and 2009. She is very active in the Austin community and sits on several boards including Physicians for Social Responsibility, the Texas Medical Association Insurance Trust and Blue Cross Blue Shield. Her research focus is on the prevention of teen pregnancy and she has a special area of interest in treating vulvadynia. She is married to Paul, a software engineer, and they have two children and a home full of pets.

Zachary Chipman, MD, knows a lot about Austin after spending his college years at the University of Texas. This Longhorn fan couldn't wait to get back to Austin and settle down here. Dr. Chipman attended medical school at the University of Texas Health Science Center in Houston and completed his residency at Houston's St. Joseph Hospital. Since 1996, he's enjoyed seeing patients in Austin.

When he's not working, you can find Dr. Chipman with his family or busy with woodworking, drawing or bicycling around town.

Robert Crumb, MD, is a general Obstetrician and Gynecologist. After attending high school in Jakarta, Indonesia, he completed his B.S. in Biochemistry at Texas A&M University. He then graduated with his M.D. from the University of Chicago Pritzker School of Medicine and completed his residency at the University of Chicago Hospitals. He then fulfilled a National Health Service Corp Scholarship obligation in Colorado, where he was faculty at the University of Colorado Health Sciences Center. In 2003, Dr. Crumb moved to Austin and was in private practice for several years while participating as a residency faculty member part time. In January 2008, he joined the University of Texas Physicians as full-time faculty.

Dr. Crumb has always had a strong interest in medical education. He has received numerous teaching awards and is a member of the Arnold P. Gold Humanism in Medicine Honor Society. Dr. Crumb recently completed his master's degree in Public Health and is interested in research in medical cost effectiveness.

His clinical practice includes all aspects of general Obstetrics and Gynecology including High-Risk Pregnancy and challenging issues in Gynecology.

In his free time Dr. Crumb enjoys spending time with his wife and two school-aged sons.

Make an appointment >

John Harkins, MD, is committed to the care and wellness of women in Central Texas. He attended medical school at West Virginia University School of Medicine and completed his residency in Houston at St. Joseph Hospital. Dr. Harkins is a fellow of the American College of Obstetricians & Gynecologists. In 1999, he was a diplomate of the American Board of Obstetrics & Gynecology.

Dr. Harkins, his wife, Arden and their three children, Madison, Mallory and Maclean, are happy to call Austin home. When he's not busy with his family, Dr. Harkins enjoys music, playing golf and going fishing.

Michael Nix, MD, is proud to be able to provide quality obstetric and gynecological care to women in Central Texas. He attended medical school at the University of Texas Southwestern Medical Center at Dallas and stayed with UTSW to complete residency at Dallas' Parkland Hospital. He is a fellow of the American College of Obstetrics & Gynecology and a diplomate of the American Board of Obstetrics & Gynecology.

Dr. Nix's professional interests include cervical dysplasia, human papillomavirus (HPV) infection, operative obstetrics, and patient safety and quality improvement.

Dr. Nix enjoys the beauty of Austin's hills, lakes, climate and people. In his spare time, Dr. Nix likes to cook, play tennis and go waterskiing.

Raghu D Shettigar, MD, attended medical school at New York Medical College and finished his residency at the University of Texas Southwestern Medical Center.

Dr. Shettigar and his family are happy to be in Austin. In his spare time, you'll find Dr. Shettigar on the tennis court or going for a run.

Rita Tsai, MD, joined the University of Texas Physicians practice in summer 2009. She completed her undergraduate studies at Vanderbilt University in Nashville, TN, before pursuing her medical degree at the University of Illinois in Chicago, where she graduated with honors and was inducted into Alpha Omega Alpha, the national medical honor society. She completed her obstetrics and gynecology residency at the Ohio State University Medical Center in Columbus, Ohio.

A transplant from the Chicago area, Dr. Tsai is excited to be living and working in Austin. She enjoys traveling in her free time, even working as a medical volunteer in Kenya during her residency training.

Donna Villacis, MD, has only been in Austin since the summer of 2004, but she's already settled in and is providing quality care for women in Central Texas. Dr. Villacis attended medical school at the University of South Dakota and completed her residency at the University of Texas Medical Branch in Galveston.

Living in Austin means Dr. Villacis can take in the city's arts, music and outdoor activities. In her spare time, Dr. Villacis is enjoying being a newlywed, spending quality time with her husband. Dr. Villacis also enjoys traveling, cooking and crafts.

Diana Wang, MD, graduated from the Plan II Honors program at the University of Texas at Austin, then went on to study medicine at the University of Texas Medical Branch in Galveston. She completed her Obstetrics and Gynecology Residency with the UTMB Austin program, and was one of the first resident physicians in the nation to be trained on the da Vinci Robotic Surgical System. Dr. Wang has special interest and skill in minimally invasive surgery, including single-incision laparoscopic surgery, and is committed to staying on the cutting edge of advanced surgical techniques to better women's lives. She is the 2009 recipient of the Arnold P. Gold Foundation Humanism and Excellence in Teaching Award. She was also recognized with the 2011 National Faculty Award for Excellence in resident education, presented by the UTSW Austin OB/GYN residency program.

As a former dancer with Ballet Austin, Dr. Wang continues to perform and choreograph in her leisure. She is fluent in both Mandarin Chinese and Spanish.