Our Medical Experts

Southwest Nephrology Associates is a group of dedicated professionals that focus on the health and functionality of the kidney. 

With extensive education in the field, you can guarantee our experts will not only provide you with the care and comfort during your treatment, but also the latest and greatest techniques to identify any issues regarding your kidneys.

With years of hands on experience, see why our experts stand as the trailblazers within the field of nephrology.



Marializa V. Bernardo, MD PA

Practicing since 1994. Dr. Bernardo received her Doctor of Medicine and completed her residency from University of Santo Tomas, Manila, Philippines

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CALEB CHEN, MD PA

Practicing since 2000. Dr. Chen received his Doctor of Medicine from Baylor College of Medicine

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AMER A. KHAN, MD PA

Practicing since 2002. Dr. Khan received his Doctor of Medicine from Northeastern Ohio University College of Medicine

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CHARLES S. HENRY, MD PA

Practicing since 2002. Dr. Henry received his Doctor of Medicine from University of Texas Medical School, Houston

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RUSSELL L. BRINK DO

Practicing since 2011. Dr. Brink received his Doctor of Osteopathic Medicine from Touro University, College of Osteopathic Medicine, Henderson, Nevada

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Jonathan Smith, MD

Practicing since 2014. Dr. Smith received is Doctor of Medicine from University of Texas Southwestern Medical Center - Dallas, TX

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Contact Your Houston Nephrology Experts

At Southwest Nephrology Associates, we strive to provide the highest quality treatments for our patients. We focus on diseases within the kidney and have helped many individuals overcome their medical issues through our full spectrum nephrology care. With offices in Houston, Sugarland, Bellaire, Richmond, West Houston, and Katy, we will always be at your service. If you have any questions, please contact us; one of our dedicated representatives is available to assist you.