Dr. Christine SigmanMD, ABAARM
Internal Medicine
at Christine Sigman, MD, ABAARM — Town and Country, MO
About
Dr. Christine Sigman is a board-certified internist with more than 26 years of clinical experience in the St. Louis area. She earned her Bachelor of Science in Biology from Saint Louis University in 1991 and her Doctorate of Medicine from St. Louis University in 1996. She completed both her internship and internal medicine residency at St. John's Mercy Medical Center in Creve Coeur, Missouri. In 2015, she finished a postgraduate Integrative Medicine Masters Program at George Washington University School of Medicine.
Dr. Sigman holds Diplomate status from the American Board of Internal Medicine and board certification from the American Board of Anti-Aging and Regenerative Medicine. She is also board certified in obesity medicine and holds the Certified Functional Nutrition Informed Professional credential. She belongs to the American Academy of Anti-Aging and Regenerative Medicine, the Obesity Medicine Association, and the St. Louis Institute of Integrative Medicine. Missouri Magazine recognized her as a Top Internist in 2021. She integrates mind-body principles with traditional medical therapies. Her clinical interests include chronic disease prevention, metabolic health, and functional nutrition.
Education & Training
Undergraduate
Saint Louis University, B.S. Biology, 1991
Medical School
St. Louis University, Doctorate of Medicine, 1996
Residency
Internal Medicine, St. John's Mercy Medical Center, 1997-1999
Additional Training
Internship, St. John's Mercy Medical Center, 1996-1997; George Washington University School of Medicine, Integrative Medicine Masters Program, 2015
Certifications
Conditions Treated
Who is Dr. Sigman right for?
Dr. Sigman is a strong fit for adults seeking a primary care physician with expertise beyond standard internal medicine. Patients managing chronic disease, obesity, or metabolic concerns benefit from her multi-specialty certifications. She works well with adults interested in preventive care, functional nutrition, and anti-aging strategies. Patients who value direct physician access and longer appointment times fit well within her MDVIP practice model.
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Frequently Asked Questions
Dr. Sigman focuses on comprehensive internal medicine, anti-aging and regenerative medicine, and obesity medicine. She also integrates functional nutrition and mind-body medicine into her clinical approach. This combination allows her to address chronic disease, weight management, and healthy aging within a single practice.
Yes. Dr. Sigman holds Diplomate status from the American Board of Internal Medicine and board certification from the American Board of Anti-Aging and Regenerative Medicine. She is also board certified in obesity medicine and holds the Certified Functional Nutrition Informed Professional credential.
Dr. Sigman earned her medical degree from St. Louis University in 1996. She completed her internship and internal medicine residency at St. John's Mercy Medical Center in Creve Coeur, Missouri. In 2015, she completed a postgraduate Integrative Medicine Masters Program at George Washington University School of Medicine.
Dr. Sigman has more than 26 years of clinical experience in internal and integrative medicine. She has practiced in the St. Louis area throughout her career, building deep expertise in preventive care, anti-aging medicine, and obesity management.
Dr. Sigman builds her care around communication, education, and partnership with each patient. She integrates mind-body collaboration alongside traditional medical therapies. Her goal is to develop a personalized health plan that helps each patient reach their optimal health.
Dr. Sigman treats chronic disease, obesity, and conditions related to aging. Her certifications in anti-aging medicine, obesity medicine, and functional nutrition allow her to approach these conditions from multiple clinical angles. She also focuses heavily on prevention to reduce future health risks.
Dr. Sigman is a member of the American Academy of Anti-Aging and Regenerative Medicine, the Obesity Medicine Association, the St. Louis Institute of Integrative Medicine, and the Diabetes Association and National Committee for Quality Assurance.
Yes. Missouri Magazine named Dr. Sigman a Top Internist in 2021. She has also served on the Steering Committee for the Mercy Weight and Wellness Clinic and as Associate Director of the Mitokon Health Center.
Doctor profile last updated April 9, 2026