About
Keri Peterson, MD earned her undergraduate degree at Cornell University before completing her medical degree at Mount Sinai School of Medicine. She then trained in Internal Medicine at Mount Sinai Medical Center in New York City. She holds board certification in Internal Medicine and focuses her practice on prevention, longevity, and the diagnosis and management of adult health conditions.
She spent 15 years as a medical contributor and columnist for Women's Health Magazine. A recognized media spokesperson, she has appeared as a regular guest on The Today Show and made appearances on Good Morning America, Dr. Oz, The Rachael Ray Show, the Katie Couric Show, The Meredith Vieira Show, HLN, America's Newsroom, America's News HQ, CNN American Morning, and Nancy Grace. She has also published in leading medical and scientific journals and presented at distinguished medical symposiums. Dr. Peterson lives in New York City with her husband and son. She enjoys golfing, reading, and cooking.
Education & Training
Undergraduate
Cornell University, Bachelor's Degree
Medical School
Mount Sinai School of Medicine
Residency
Internal Medicine, Mount Sinai Medical Center, New York City
Additional Training
Medical advisor for Verywell.com and Healthination.com; medical contributor and columnist for Women's Health Magazine for 15 years; publications in leading medical and scientific journals; presentations at medical symposiums.
Certifications
Who is Dr. Peterson right for?
Dr. Peterson is a strong fit for adults 18 and older who want a proactive approach to their health. Patients managing chronic conditions such as hypertension or metabolic disease benefit from her emphasis on long-term disease management. She also works well with healthy adults who want to stay that way through personalized wellness planning. Her 24/7 availability suits busy New Yorkers who need reliable, same-day access to their physician.
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Frequently Asked Questions
Dr. Peterson focuses on preventing, diagnosing, and treating a broad range of adult health concerns. Her clinical emphasis includes preventive medicine, longevity, and chronic disease management. She sees patients 18 and older across all stages of adult health.
Yes, Dr. Peterson holds board certification in Internal Medicine. She completed her residency training at Mount Sinai Medical Center in New York City and earned her medical degree from Mount Sinai School of Medicine.
Dr. Peterson graduated from Cornell University before earning her medical degree at Mount Sinai School of Medicine. She completed her Internal Medicine residency at Mount Sinai Medical Center in New York City.
Dr. Peterson builds a personalized wellness program for each member. She monitors results regularly to catch issues early and adjust the plan as needed. Her goal is to help patients stay as healthy as possible for as long as possible.
Yes. Dr. Peterson makes herself available by phone, text, or email 24 hours a day, seven days a week. Office hours run Monday through Friday, 9:00 AM to 5:00 PM, but members can contact her at any time for urgent questions.
Dr. Peterson has served as a regular guest on The Today Show and appeared on programs including Good Morning America, Dr. Oz, and CNN American Morning. She spent 15 years as a medical contributor and columnist for Women's Health Magazine. com.
Dr. Peterson sees adult and adolescent patients 18 and older. She works with patients managing chronic illnesses as well as those focused on staying healthy through prevention and wellness planning.
Appointments with Dr. Peterson average 30 to 45 minutes. Annual physicals run up to 90 minutes. This allows time for thorough discussion, questions, and a review of test results and health goals.
Doctor profile last updated September 17, 2026