Dr. John D Koethe is a male Nephrologist (taxonomy code 207RN0300X) located in Philadelphia, Pennsylvania. Dr. John D Koethe's NPI Number is #1194724773 and has been listed in the NPI registry for 13 years. Dr. John D Koethe's practice location is listed as: 230 W Washington Sq Suite 100 Philadelphia, PA 19106-3500 and can be reached via phone at (215) 829-8420.
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