210.614.1231   |   F  210.809.4989   |   

Enjoy a better life and brighter future through kidney disease treatment and research in San Antonio and South Texas

Dr Johanna Urena Md


Dr. Urena joined Renal Associates P.A. in 2010. Born and raised in the Caribbean, she proudly calls San Antonio her "home." Dr. Urena was very dedicated to her education and in 2010 became board certified in Nephrology. She is fluent in both English and Spanish, caring for all her patients and their individual needs.


2008-2010 University of Texas Health Science Center San Antonio, Nephrology Fellowship
2005-2008 University of Texas Health Science Center San Antonio, Internal Medicine Residency Program
2001-2005 University of Puerto Rico, School of Medicine M.D. cum laude
1997-2001 University of Puerto Rico, Rio Piedras, BS in Chemistry, magna cum laude

Board Certifications

American Board of Internal Medicine - Internal Medicine
American Board of Internal Medicine - Nephrology

Professional Organizations

American College of Physicians
Golden Key National Honor Society
American Medical Association
Texas Medical Association
Bexar County Medical Society
American Society of Nephrology

Awards and Honors

Outstanding resident of the year awarded by University of Texas Health Science Center San Antonio medical students, 2006-2009
Community Leadership  award given by the University of Puerto Rico School of Medicine, 2004
Dean's list  scholarship from the University of Puerto Rico, 1997-2001 

Procedural Skills

Temporary dialysis catheter placement, permanent dialysis catheter removal
Kidney Biopsy

Research and Publications

Vanderbilt University, Mentor: Stephen Davis. The effect of Day I different exercise intensities on Day 2 hypoglycemia in Type 1 Diabetes Mellitus., Summer 2002

Poster for University of Texas Health Science Center San Antonio Research day: Mentor: Wajeh Quinibi, increased prevalence of heart valve calcification in patients with non dialysis dependent chronic kidney disease and in hemodialysis patients, 2008

Clinic Locations


1123 N Main Ste 120,
San Antonio, Texas 78212


4439 E. Southcross,
San Antonio, Texas 78222

Affiliated Hospitals

Metropolitan Methodist

1310 McCullough Avenue
San Antonio, TX 78212

Acuity Hospital of South Texas

718 Lexington Avenue
San Antonio, Texas 78215

Baptist Downtown

111 Dallas Street
San Antonio, Texas 78205

Mission Trails Baptist

3333 Research Plaza
San Antonio, Texas 78235

Southwest General Hospital

7400 Barlite Blvd
San Antonio, Texas  78224