Immigration Medical ExamsUSCIS-designated civil surgeon for Form I-693 & Form N-648 Call (678) 454-3331
Under new ownership. Dr. Ashok Mehta and team are honored to continue the care Dr. Nancy Lefever built in Tate — same location, same phone, welcoming new and returning patients. Read more →
Dr. Ashok Mehta, MD

Ashok Mehta, MD

Board-certified Internal Medicine · Tate Medical Associates of North Georgia

Dr. Mehta practices unhurried, prevention-first internal medicine — combining traditional primary care with metabolic health, nutrigenomics, and modern weight-loss medicine. Beyond the clinic, he writes, teaches, and publishes to help patients understand the "why" behind the medicine.

Books, writing & programs

A growing library of resources from Dr. Mehta — from full-length books to weekly essays and patient-facing programs.

Substack — Dr. Mehta

Long-form writing on metabolic health, prevention, and the human side of primary care.

Read on Substack

DNA Diet Club on YouTube

Short videos translating nutrigenomics and weight-loss medicine into everyday choices.

Watch on YouTube

DNA Diet Club

Genetics-guided weight loss and lifestyle program.

Learn more

DeepDive MD

Concierge-style executive health and longevity assessments.

Learn more