Tonja Cross Dirkx MD, a Nephrologist (Kidney Specialist) practicing in Portland, OR

Tonja Cross Dirkx  MD

Dr. Tonja Dirkx is a nephrologist practicing in Portland, OR. Dr. Dirkx specializes in the care and treatment of the kidneys. As a nephrologist, Dr. Dirkx most typically treats conditions like kidney stones, chronic kidney disease, acute renal failure, polycystuc kidney disease, high blood pressure and more. Nephrologists are also experts on kidney transplantation and dialysis. They are usually referred to by primary care physicians for problems related to the kidneys, and while they can perform tests to diagnose kidney disorders, they do not perform surgeries.


Dr. Dirkx’s career in medicine began in 1998, when he graduated with his Medical Degree from the Univ Of Ca- Davis- Sch Of Med- Davis Ca . After medical school, Tonja Cross Dirkx MD completed residency at Or Hlth Sci Univ Hosp, Nephrology; Or Hlth Sci Univ Hosp, Internal Medicine. Dr. Dirkx is board certified in Internal Medicine by the American Board of Internal Medicine. Tonja Cross Dirkx MD currently provides care to patients at 3181 Sw Sam Jackson Park Rd, Portland, OR 97239.


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Judy Michaels is a Content Manager for and is responsible for assisting expert doctors in documenting their significant contributions to their specific field of medicine. Judy has had over 10 years experience in the medical information field. When not pursuing content management, Judy can be found tending to her gardens, taking part in her church choir, and listening to classical music.