About
Dr. Sivakaran Nagaratnam, known as Dr. Naga.
A family physician and medical director focused on healthy aging, aging at home, prevention, lifestyle medicine, and practical primary care innovation.
Professional background
Dr. Naga completed his Family Medicine residency at the Cleveland Clinic, where his three-year training included a specific focus on the care of older adults and complex chronic conditions.
He has served as an Instructor at Northeast Ohio Medical University and has pursued further professional education in functional medicine, dermatology, obesity medicine, and lifestyle medicine.
He is the Medical Director of Thryve Medica and Thryve Health.
Training and expertise
Family Medicine residency with focused training in older adult care.
Former Instructor involved in medical education.
Training in systems-oriented approaches to health and chronic disease.
Professional Diploma in Dermatology.
Further education in obesity medicine and lifestyle medicine, including programs through Harvard Medical School.
Professional philosophy
“The goal of healthy aging is not simply to live longer. It is to preserve the health, confidence, and independence that allow people to continue living the lives they value.”
For speaking and education
Topics Dr. Naga can speak to
- Aging at home
- Healthy aging
- Frailty prevention
- Lifestyle medicine
- Obesity and metabolic health
- Preventive care
- Skin health and aging
- Primary care innovation