Meet Our Providers

Tiyashi Choudhury, M.D.

Family Physician in Missouri City, TX

Rocky Creek Family Medicine

Board certified in Family Medicine, Dr. Tiyashi Choudhury believes education and active listening have always been the foundation of her practice philosophy. Listening to her patient's stories and concerns allow her to be able to better diagnose and educate them on how to attain their health goals and lead a healthy, fulfilling life. In her personal time, Dr. Choudhury enjoys spending time with her family and friends, reading and traveling.

  • M.D. Drexel University College of Medicine, Philadelphia, PA
  • Family Medicine Residency, Baylor College of Medicine, Houston, TX, Chief Resident in Final Year
  • Speaks English, Hindi and Bengali

Hillary Spears, FNP

Family Physician in Missouri City, TX

Rocky Creek Family Medicine

Hillary Spears has been with the practice since May 2016.  She enjoys getting to know patients and spending time providing patient education. She is originally from Norman, Oklahoma and now lives in the area with her husband and two children. 

  • B.S.N. East Central University, Ada, OK
  • M.S.N. FNP University of Cincinnati, 2013
  • ANCC Board Certified
  • DOT Certified

Deirdre McMullen, M.D.

Family Physician in Missouri City, TX

Rocky Creek Family Medicine

Dr. Deirdre McMullen is board certified in family medicine and tries to emphasize wellness in her practice while also managing chronic and acute conditions. She provides traditional family medicine including annual physicals, well woman exams, immunizations, and well child/ baby services in addition to her cosmetic procedures and weight loss management. From illness to wellness, we hope you will find a home in our patient family. Dr. McMullen resides in Missouri City and is married with two children and six dogs.

  • B.S. Biology, Trinity University, 1992
  • M.D. University of Texas Medical School at Houston, 1996
  • Family Medicine Residency, Memorial Hermann Family Practice Residency Program Finished 1999
  • Board Certified since 1999
  • Member, St. Catherine’s Episcopal Church
  • MDVIP Provider Find a Physician