About
Dr. Jennifer Kostacos founded Premier Medicine and Wellness to practice medicine the way she believed it should be practiced: unhurried, preventive, and built on genuine physician-patient relationships. She earned her Bachelor of Arts at the University of California, Berkeley, then went on to Columbia University College of Physicians and Surgeons for medical school. She completed her residency at Columbia University Medical Center in New York.
With over 20 years of clinical experience, Dr. Kostacos holds board certification in Internal Medicine and Obesity Medicine through the American Board of Obesity Medicine. She also holds the Menopause Society Certified Practitioner designation and serves as a member of the International Society for the Study of Women's Sexual Health. Her clinical work centers on perimenopause, menopause, hormonal health, and sexual health for women. She also provides comprehensive care for men. Dr. Kostacos brings particular focus to preventive care, nutrition, and exercise-based health optimization. She is passionate about helping patients understand metabolic health, cardiovascular risk, and the hormonal shifts of midlife. Her guiding belief is that healthcare begins with prevention and patient empowerment.
Education & Training
Undergraduate
University of California, Berkeley, Bachelor of Arts
Medical School
Columbia University College of Physicians and Surgeons
Residency
Columbia University Medical Center, New York
Additional Training
Special focus on preventive care, nutrition, and exercise-based health optimization; Member, International Society for the Study of Women's Sexual Health (ISSWSH)
Certifications
Conditions Treated
Who is Dr. Kostacos right for?
Dr. Kostacos is an excellent fit for adults who want a physician deeply versed in hormonal and metabolic health. Women navigating perimenopause or menopause, including those managing hot flashes, brain fog, night sweats, or hormonal imbalance, will find focused, credentialed expertise here. She also works well with patients managing obesity, cardiovascular risk, thyroid disorders, or chronic conditions like hypertension and diabetes. Men seeking thorough, preventive-focused primary care also fit well within her practice.
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Frequently Asked Questions
Dr. Kostacos has deep expertise in perimenopause, menopause, hormonal health, and obesity medicine. She also treats hypertension, high cholesterol, diabetes, metabolic syndrome, thyroid disorders, osteoporosis, anxiety, depression, and cardiovascular disease. She coordinates cancer screenings for breast, cervical, and colorectal cancers and manages the full scope of adult primary care.
Yes. Dr. Kostacos holds the Menopause Society Certified Practitioner designation, which reflects specialized clinical training in menopause and perimenopausal care. She is also a member of the International Society for the Study of Women's Sexual Health. These credentials support her work with women navigating complex hormonal transitions.
Dr. Kostacos earned her medical degree from Columbia University College of Physicians and Surgeons. She completed her residency at Columbia University Medical Center in New York. She also holds an undergraduate Bachelor of Arts degree from the University of California, Berkeley.
Dr. Kostacos brings more than 20 years of clinical experience in internal medicine. That depth of practice informs her approach to both acute and chronic care, as well as her focus on long-term preventive health strategies.
Yes. While Dr. Kostacos has a strong focus on women's health, she provides comprehensive primary care for men as well. Her clinical scope includes preventive care, chronic disease management, cardiovascular risk assessment, and metabolic health for adult patients of all genders.
Dr. Kostacos believes prevention forms the foundation of good medicine. She takes a comprehensive view that incorporates nutrition, exercise-based health optimization, advanced lab testing, and cardiovascular risk assessment. She builds individualized care plans that look ahead rather than simply responding to symptoms.
Yes. Dr. Kostacos holds board certification in Obesity Medicine through the American Board of Obesity Medicine. She applies this expertise to help patients manage weight in the context of their broader metabolic and hormonal health, particularly for those navigating midlife changes.
Dr. Kostacos is particularly passionate about hormonal health, metabolic wellness, and cardiovascular risk in women. She invests significant focus in the perimenopause and menopause transition, brain fog, hormonal imbalance, and the intersection of nutrition and long-term vitality. She approaches each of these areas through a preventive, patient-centered lens.
Doctor profile last updated June 11, 2026
