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Mark R Johnson, MD is a Doctor primarily located in Morristown, NJ. Their specialties include Nephrology. Mark R Johnson is affiliated with Montefiore Medical Center.

Specialties & Expertise

Mark R Johnson has the following 1 specialty.


A nephrologist is a physician who is specially trained to diagnose and treat conditions affecting the kidneys or renal system.

A nephrologist will determine through urine analysis, blood test, X-ray, sonogram, or kidney biopsy how well the kidneys are functioning and will then prescribe a special diet and exercise program, medication or dialysis - a process by which a machine filters the blood when the kidney is no longer capable of doing so.

Locations & Directions

100 Madison Ave
Morristown, NJ 07960