
Medical School
Dr. John Chang is a Doctor in Durham 27705, Durham NC and has an experience of 36 years in this field. Dr. John Chang practices at Durham VA Medical Center in Durham 27705, Durham NC and Willamette Dental Group - Salem - Lancaster in Salem 97301, Salem OR. He completed Medical School from East Carolina University in 1988. Some of the services provided by the doctor are: Muscle Spasm,Patellofemoral Pain Syndrome (PFPS),Gastroesophageal Reflux Disease (GERD),Joint Pain and Osteoporosis etc.
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10 Surgeries & Treatments

Patellofemoral Pain Syndrome (PFPS)
Osteoporosis

Muscle Spasm

Mineral Metabolism Disorders

Joint Pain

Hypothyroidism

Hypercalcemia
Gastroesophageal Reflux Disease (GERD)

Calcium Metabolism Disorders
ANEMIA