Get To Know Our Experienced Kidney Care Specialists

Meet the Doctors at South Texas Renal Care Group

South Texas Renal Care Group is made up of highly experienced and caring physicians with a wealth of specialized experience in kidney care. Each day, they combine their knowledge and expertise with a genuine passion for helping patients successfully manage kidney disease and its related conditions.

Learn about each of our experienced kidney specialists

Click on the names below to reach each physician’s bio:

Reza A. Ali, MD

Reza A. Ali, M.D., joined South Texas Renal Care Group as a nephrologist in 2018, expanding the renal expertise of this distinguished group of kidney specialists. Dr. Ali believes the art of medicine lies in being able to navigate the complex clinical circumstances of each patient…

Carolina Arias, MD

Since joining South Texas Renal Care Group in 2012, Dr. Arias’ areas of focus include management of systemic diseases that affect the kidneys, electrolyte abnormalities, acid/base balance, hypertension, acute kidney failure, and chronic kidney disease. She is passionate about empowering her patients…

Varshi Broumand, MD, FASN

Since 2008, Dr. Broumand has been an integral part of the South Texas Renal Care Group team. In addition to ensuring his patients receive the best care, he is dedicated to educating the community on causes and prevention of kidney related illnesses to create healthier futures.

Qasim Ali Butt, MD

Dr. Qasim Ali Butt has been a key member of the South Texas Renal Care Group team since 2010. His approach to patient care is characterized by compassion and a deep understanding of the individual’s condition and concerns. He thoroughly explains kidney disease and encourages his patients…

Cedillo-Couvert, MD

When it comes to treating his patients, Dr. Esteban Cedillo-Couvert believes that establishing trust and understanding is just as important as state-of-the-art technology and medical advancements. Dr. Esteban Cedillo-Couvert has dedicated his career to creating the best health outcomes for individuals with kidney problems.

Pavan Devulapally, MD

Dr. Pavan Devulapally has vast experience in internal medicine and has served as a nephrologist since 2014. Dr. Devulapally takes a personalized approach to kidney-related health problems by taking time to fully understand the patient’s condition and how they are feeling. He takes pride in seeing his patients…

Abhijeet Goyal, MD

Dr. Abhijeet Goyal was inspired to become a doctor at a very young age, when he was treated with the highest level of compassion during a serious illness. Since then, Dr. Goyal has dedicated his career to providing quality care for each of his patients. He has been part of the South Texas Renal Care Group team since 2010…

Kendral Knight, MD

Dr. Knight is a seasoned nephrologist with more than 10 years’ experience practicing medicine across the country and oversees. His compassionate approach with each patient and wealth of expertise make him an ideal fit for South Texas Renal Care Group.

M. Reza Mizani, MD, FASN

Dr. M. Reza Mizani is the founder of South Texas Renal Care Group. Recognized by Scene San Antonio as one of the area’s Best Nephrologists, Dr. Mizani has centered his career on improving the health of the San Antonio community. Through his personalized approach to healthcare, Dr. Mizani…

Indraneel Mogarala, MD

Dr. Mogarala, known as “Dr. M” to most patients, was raised in a family of doctors and developed a strong interest in the medical field at an early age. He has dedicated his career to helping patients live healthier lives and finding permanent solutions to the life-altering kidney conditions they face.

Steven Rosenblatt, MD

Dr. Steven Rosenblatt brings more than 40 years of experience to South Texas Renal Care Group. Serving as a Flight Surgeon in the U.S. Air force and a professor at the University Health Science Center in San Antonio, Dr. Rosenblatt has always had a passion for providing life- altering solutions and a sense of hope to his patients.

Shirin R. Sharma, MD

Shirin R. Sharma, M.D. is a transplant nephrologist at South Texas Renal Care Group. With vast combined experience in general practice and nephrology, Dr. Sharma treats her patients with the utmost expertise and personalized care.

Saqib Z. Syed, MD

Dr. Saqib Syed takes an intimate approach to kidney care by taking the time to get to know each patient personally, not just address their medical condition. To Dr. Syed, there is no greater joy than knowing he has helped alleviate the suffering caused by kidney disease. His special interests include…

Lauren E. Tarbox, MD

Dr. Lauren Tarbox joined the South Texas Renal Care Group team in 2008 because she wanted to be part of a medical practice where doctors treat patients like family. She has been a resident of San Antonio for over a decade and dedicates her career to providing quality care to individuals in the area with chronic kidney disease.

Luis E. Vélez, MD

Dr. Luis E. Vélez has been part of South Texas Renal Care Group since 2009. Dr. Vélez has a passion for helping others and commits his time in the office to identifying the best medical solutions for each of his patients with kidney disease.

Naushad Zafar, MD

Dr. Zafar has been part of the medical community for over twenty years, specializing in dialysis and nephrology. He has a passion for healing and goes above and beyond to help each of the patients he sees.

Comprehensive kidney care at state-of-the-art facilities

South Texas Renal Care Group offers everything from diagnostic testing and dialysis to guidance on kidney transplantation and clinical trial opportunities, right here in our modern, comfortable offices. We have many locations throughout San Antonio and South Texas, so you can spend less time traveling and more time focusing on your health.

Dedicated to meeting your individual needs

At South Texas Renal Care Group, you have our undivided attention every step of the way. You’ll receive the expert treatment you need and the personal care and attention you deserve.