Medicare Procedure and Patient Information
2013 Medicare Patient Data
Information about Medicare patients treated by Dr. Johnny Tzer-Ren Chang, MD.
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Conditions of Medicare patients treated by Dr. Johnny Tzer-Ren Chang, MD in 2013
The most common conditions of Medicare patients that Dr. Johnny Tzer-Ren Chang, MD treated during 2013 were hypertension and high cholesterol.
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