Dr. Gunanayagam is on Doximity
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Office
3400 Delta Fair Blvd
Antioch, CA 94509Phone+1 925-779-5000
Education & Training
St. George's University School of MedicineClass of 1994
Certifications & Licensure
CA State Medical License 2003 - 2026
NJ State Medical License 2002 - 2005- American Board of Internal Medicine Internal Medicine
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