Dr. Gretes graduated from the Duke University School of Medicine in 1972. He works in Gloucester, VA and 1 other location and specializes in Nephrology and Internal Medicine. Dr. Gretes is affiliated with Riverside Walter Reed Hospital.


Dr. John Constantine Gretes, MD
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Doctor Organizations
- Riverside Walter Reed Hospital
Doctor Education
Medical School
1972
Duke University School Of Medicine
Work Place
Riverside Urology Specialists Gloucester
7552 Hospital Dr Ste 302
Gloucester
VA
23061
USA
+18046939062
Specialties
Procedures performed
- Dialysis Procedures
Conditions
- Chronic Renal Disease
- Acute Renal Failure
- Reviews
- Q&A
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