When you train with us, you'll find rewarding relationships with our entire nephrology team. Take a few moments to learn a little more about us!
Discover Our Exceptional Educators
The leaders of our fellowship program are all national leaders in the specialty. Each has a passion for providing life-changing care for our patients today and for ensuring that care for tomorrow through training and discovery.
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Eric Judd, MD
Clinical Nephrology Fellowship Director
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Yasolatha Chalicheemala, MD
Renal Transplant Fellowship Director
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Ammar Almehmi, MD
Interventional Nephrology Fellowship Director
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Timmy Lee, MD, MSPH
Division Director
Get to Know Your Fellow Trainees
As one of the best programs in the nation, we attract trainees from across the United States and beyond.We find tremendous strength in this breadth of experience and perspectives, and we look forward to including you in our dynamic team of trainees.
Clinical Nephrology PGY4 Fellows

Sully Marquez Flores, MD
Residency: Brookwood Baptist Health - Internal Medicine
Med School: Universidad Nacional Autonoma de Honduras

Stephen Hollingsworth, MD
Residency: Baton Rouge General Medical Center
Med School: American University of the Caribbean School of Medicine

Raja Ram Khenhrani, MD
Med School: Liaquat University of Medical and Health Sciences, Pakistan

Jawad Mir, MD
Med School: Army Medical School - Pakistan

Victor Ortiz, MD
Residency: Brookwood Baptist Health Internal Medicine
Med School: Universidad Peruana Cayetano Heredia

Joven Tristeza, MD
Residency: UAB Heersink School of Medicine
Med School: Louisian State University School of Medicine in New Orleans

Daniel Weintraub, MD
Residency: UAB Heersink School of Medicine
Med School: Medical College of Georgia School of Medicine
Clinical Nephrology PGY5 Fellows

Samuel Johnston, MD
Residency: University of Alabama at Birmingham
Med School: Brookwood Baptist

Nozaina Mahmood, MD
Residency: Fatima Jinnah Medical College - Pakistan
Med School: Jinnah Post Graduate Medical Center Pakistan

Anish Surapaneni, MD
Residency: NRI Medical College and General Hospital — India
Med School: Garden City Hospital Internal Medicine Residency Program — Garden City, MI

Ali Yousef, MD
Residency: Alabama College of Osteopathic Medicine
Med School: Louisiana State University Health Sciences Center — Lafayette, LA
Ready to unlock your potential?
Peruse our programs to get a sense of the rich fellowship training experience that awaits you at UAB.
Clinical Nephrology Interventional Nephrology Renal Transplant Nephrology
Got questions? Don't hesitate to reach out.
I'd be delighted to talk with you about the many exciting possibilities that await you at UAB. Contact me for more details about our nephrology fellowships.
Jessica Hargrove, Program Coordinator II
(205) 934-1801
Send an Email