Our team
Meet our providers
Muhammad S. Siddiqui, M.D.
Dr. Siddiqui graduated from Sindh Medical College in Karachi, Pakistan in 2008. Dr. Siddiqui completed his Residency in Internal Medicine at St. Luke's Hospital in St. Louis, Missouri in 2014. He went on to do his Fellowship in Endocrinology at The University of Texas Southwestern Medical Center in Dallas, Texas in 2014. He served as Chief Fellow in the Department of Endocrinology in his last year of Fellowship before transitioning into private practice.
In his free time, Dr. Siddiqui likes to spend time and travel with his family. He has two boys and they enjoy swimming together. He is passionate about cars. Dr. Siddiqui enjoys hosting and cooking and his favorite sport is cricket. His guilty pleasure is ice cream!
Celina Paras, PA-C, MSc, RD
Celina earned her Bachelor of Science in Dietetics from The University of Texas Rio Grande Valley and later completed a graduate degree in Clinical and Public Health Nutrition at University College London. Her time as a registered dietitian in San Antonio saw her playing a key role in developing city-wide nutrition education programs. Motivated by her desire to expand her impact on patient health, she returned to school to complete a Master in Physician Assistant Studies at The University of Texas Rio Grande Valley.
Outside the clinic, Celina enjoys spending time with her loved ones, experimenting with new recipes, traveling, and exploring the outdoors with her dog.
Aziza Mohammad MSN, APRN, FNP-BC
Aziza is a board-certified Family Nurse Practitioner with over 7 years of clinical experience in cardiology and primary care. She earned both her Bachelor of Science in Nursing and Master of Science in Nursing from Texas Woman’s University, where she developed a strong foundation in evidence-based practice and patient-centered care.
Aziza has worked in both outpatient clinics and telehealth settings, managing a wide range of chronic and acute conditions. Her expertise includes cardiac rhythm management, electrophysiology, preventive care, and patient education. She is committed to delivering high-quality care in collaboration with multidisciplinary teams.
Outside of work, Aziza enjoys traveling, exercising, and spending time with her family.
