Dr. Gregory J. Diehl has been practicing medicine for 28 years. Dr. Diehl graduated from the Washington University School of Medicine in 1986. He practices medicine in Port Jefferson Station, NY and specializes in Hand Surgery and Plastic Surgery. Dr. Diehl is affiliated with Saint Charles Hospital and John T Mather Memorial Hospital.
Years in Practice: 28 Years
Languages Spoken: English
Medical School: Washington University School of Medicine
Graduation Date: 1986
Specialties: Hand Surgery, Plastic Surgery