Dr. Paul Cook is Board Certified in Obstetrics and Gynecology and has been in practice in Houston since 1992. Doctor Cook is a graduate of Houston Baptist University, and completed medical school and residency training at the University of Texas in Houston where he served as Academic Chief Resident in 1991-92. He quickly built one of the most popular practices in Houston, while maintaining an active role as a clinical instructor at the University of Texas Medical School. His academic achievements include being honored for Excellence in Obstetrics and Gynecology during medical school and as the University of Texas' outstanding Chief OB/GYN Resident in 1992. He received two awards for Outstanding Clinical Faculty in 1997 and 1998. When not at work Doctor Cook enjoys playing golf and spending time with his wife and four young sons.



Dr. Roz Nanda is Board Certified in Obstetrics and Gynecology and joined the Ob/Gyn Center in 2002. She has been in practice in Houston at the Macgregor Medical Group since 1995. Dr. Nanda received her Bachelor of Science in Biology at the University of Michigan and her medical degree at Finch University of Health Sciences at the Chicago Medical School. She completed her residency in Obstetrics and Gynecology at Baylor College of Medicine. She received the Arthur M. Faris research award as well as the TAP pharmaceuticals Award for Excellence as a Chief Resident in 1995. Dr. Nanda was also elected Senior Resident Class Representative in 1995. In her spare time Dr. Nanda enjoys jogging and reading.



Dr. Ziad Melhem received a B.S. from American University of Beirut in 1993, an M.D. from American University of Beirut in 1997, then entered the obstetrics and gynecology residency program at American University of Beirut Medical Center where he spent two years. He completed his residency at University of Texas Medical School Houston in 2004 where he received the Organon Resident Research Award for Outstanding Research in Women’s Health. Dr. Melhem joined The Ob/Gyn Center in 2004.



Dr. Cook, I wanted to offer my sincere thanks for being so accommodating to my situation the past 10 months. It is a great feeling to have confidence in my medical care and to have a doctor that cares about his patients. You go above and beyond the call of duty and it is really appreciated. Thank you!

- Christina Papazis


Dear Dr. Melhem, We’re blessed to welcome baby Will into our family and pleased that you were present to bring him into the world. While the pregnancy was a steadfast journey, we appreciate your attention to our concerns, making this a positive experience.

- Elaine White

Dear Dr. Cook, Just wanted to say thank you to you and your great team of doctors for taking such good care of Collin and I during my pregnancy. It was a beautiful experience! He has brought more joy into our lives than we could have ever imagined.

Thanks for everything!

- Courtney Edmiston




The OBGYN Center strives to make a comfortable environment for all of our patients. Our reception area offers comfortable seating and a relaxed atmosphere for awaiting patients.



(713) 796-2200


6400 Fannin Suite #1900

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