7 Powerful Foods That Naturally Support Your Kidney Health
Your kidneys are essential to your health, and your diet plays a big role in how they function. Learn more about which powerful foods keep your kidneys in tip-top shape.


























Kevin O. Griffiths, MD, MPH, has been recognized as a 2023 Castle Connolly Top Doctor — the fifth time he has received the prestigious Top Doctor honor.

Kevin O. Griffiths, MD, MPH, has been recognized as a 2023 Castle Connolly Top Doctor. Only about 7 percent of the nation’s licensed physicians are selected annually as Castle Connolly Top Doctors in their regions for their specialties.
Dr. Griffiths also has been named to Castle Connolly’s first-ever Top Black Doctors list.
Dr. Griffiths is a nephrologist, a physician who specializes in kidney disease, with Metro Renal Associates in Washington, DC and Capitol Heights, Maryland, where he evaluates and treats people with a range of kidney conditions.
They include hypertension (high blood pressure), kidney stones, kidney disease, kidney failure, nephrotic syndrome, polycystic kidney disease, and heart disease in renal failure. He cares for patients on dialysis treatment and those who are pre- and post-kidney transplantation.
A certified hypertension specialist, Dr. Griffiths also serves as the medical director of the Fresenius Kidney Care dialysis center in Southeast Washington, DC, overseeing the care and safety of more than 160 patients.
Steve Leibforth, Castle Connolly’s managing director, recently presented Dr. Griffiths with a commemorative plaque.
Dr. Kevin Griffiths and Dr. Cosette Jamieson are recognized as TOP Doctors throughout the Washington, DC and Prince Georges County, Maryland regions and are featured TOP Nephrologists on the TOP Doctors Interviews which are seen on CNN Headline News, FOX News, Oprah Winfrey Network, CNBC, MSNBC, BRAVO and other networks.


Our doctors work with many of the doctors at MedStar Washington Hospital Center and University of Maryland Capital Region Health.
At Metro Renal Associates, we care about every patient. Here are some of the insurances that we take. Please call our office if you have any questions about your payment plan, or the insurances we accept!
Your kidneys are essential to your health, and your diet plays a big role in how they function. Learn more about which powerful foods keep your kidneys in tip-top shape.
The kidneys filter waste and regulate fluid balance, so when they don’t work properly, problems can arise. Read on to learn about the early warning signs of kidney disease and how Metro Renal Associates can help.
The kidneys are a critical aspect of a healthy body – but when they stop working suddenly, it can lead to detrimental complications. Learn more here about acute kidney injury and when symptoms warrant emergency care.