713-637-6320

FAX: 713-637-0735

1140 Westmont Drive, Suite 320

Houston, TX 77015

Our Doctors

Dr. Rafael C. Esquenazi

Dr. Rafael C. Esquenazi was born in Mexico City and graduated with honors from Medical School at La Universidad Autonoma de Mexico. Dr. Esquenazi moved to the United States upon completion of medical school and completed his Internal Medicine Residency at The Henry Ford Hospital in Detroit, Michigan. He then went on to complete his Nephrology fellowship at Baylor College of Medicine in Houston, Texas. For more than 20 years, Dr. Esquenazi has been involved in teaching at Baylor College of Medicine in Houston and at the University of Texas in Houston as a Clinical Associate Professor of Medicine. He is the founder of Nephrology Physicians of Houston and has been caring for patients with chronic kidney disease, hypertension and kidney transplantation in private practice for the last 25 years.

Dr. Esquenazi is Board Certified in Internal Medicine, Nephrology, and certified as a Specialist in Clinical Hypertension. He is a Fellow of the American College of Physicians and a Fellow of the American Society of Nephrology. Dr. Esquenazi is focused on the prevention and care of all stages of Chronic Kidney Disease and serves as Medical Director to several DaVita Dialysis Centers.

In his free time, Dr. Esquenazi enjoys traveling and spending time with his family.


Dr. Ather R. Khokhar

Dr. Ather R. Khokhar received his Bachelor of Science at Louisiana College in Pineville, Louisiana and earned his M.D. at Louisiana State University in New Orleans, Louisiana in 1994. Having completed his residency in Internal Medicine at the University of Texas in San Antonio, Dr. Kokhar went on to complete his Nephrology fellowship at the University of Texas, Houston in 2000.  

Dr. Khokhar has been practicing in the Houston area since 2000 and is Board Certified in Internal Medicine and Nephrology. He presently serves as Medical Director to several DaVita Dialysis Centers.  

Dr. Khokhar enjoys running and spending time with his wife and three children.


Dr. Mary A. Washington

Dr. Mary A. Washington received her bachelor's degree from Medical College of Wisconsin in 1986. After completing the Internal Medicine and Nephrology at the Tulane University Residency program in New Orleans in 1991, Dr. Washington moved to Texas. Once in Houston she joined Nephrology Physicians of Houston.  

Dr. Washington is an enthusiastic teacher, serving as Clinical Assistant Professor at Baylor College of Medicine and University of Texas - Houston Medical training programs. Her group focuses upon providing critical ground-roots education about the prevention of kidney disease, hypertension and obesity. Dr. Washington serves as a Medical Director to several DaVita Dialysis Centers.  

Dr. Washington is a Board Certified Nephrologist and Fellow of the American College of Physicians.    

Dr. Washington enjoys traveling, healthy living with a healthy lifestyle.

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