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Adolescent Medicine 

Adolescence is that period of life during which a child develops into an adult. Many rapid changes occur physically, emotionally, intellectually and socially.

The Adolescent Medicine team is a group of experienced medical professionals that provide specialized medical care to teenagers. We provide care that the teen’s primary care provider may not feel comfortable in treating and managing. We manage and treat many adolescent issues in males and females, including those related to normal puberty, growth and development, psychosocial development, some behavioral issues, menstrual issues, sexuality, sexually transmitted diseases, eating disorders and diagnostic dilemmas.

We are committed not only to treating disease, but also to helping teens develop healthy lifestyles and habits through guidance and education. We are also committed to supporting parents in their efforts to guide their children through what are sometimes turbulent years.

Our diverse team is trained in a broad spectrum of specialties, but sometimes our patients need more specialized attention. We have access to all the specialties at SSM Health Cardinal Glennon if necessary.

Contact Us

To make an appointment, please call 314-268-6406.

Information for Professionals

What to Expect

Often, parents and teens are not sure what to expect when they are referred to an Adolescent Medicine specialist. We want you to come to your visit as comfortable and informed as possible.

What to Expect at an Adolescent Medicine Appointment

What to Expect at an Eating Disorders Appointment

Information about Eating Disorders

Additional Resources

Learn more about your child’s health in our KidsHealth library and resource center.

Meet the Team

Dr. Dianne Elfenbein is the director of Adolescent Medicine at SSM Health Cardinal Glennon and professor of Pediatrics, clinical educator at Saint Louis University School of Medicine. Her early medical training was at Johns Hopkins University School of Medicine. She carries dual board certifications in Adolescent Medicine and Pediatrics. Although new to St. Louis, she has cared for teens with a wide variety of problems for many years at university programs in Florida and Massachusetts. Her interests are broad, including wellness, parenting, menstrual issues, STDs, and diagnostic dilemmas. Her goals are to help your child to achieve the best physical and emotional health possible.

Dr. Marianne Dunstan has been a member of the Division of Adolescent Medicine at SSM Health Cardinal Glennon for many years. She was trained at Saint Louis University and is currently associate clinical professor in Pediatrics at Saint Louis University School of Medicine. She is well known in the St. Louis area as an excellent clinician and has had a great deal of experience in the care of teens.

Dr. Meghan Guerra is an Adolescent Medicine physician at SSM Health Cardinal Glennon. She was trained at Saint Louis University School of Medicine and is assistant clinical professor of Pediatrics there. Dr. Guerra enjoys taking care of all teens. Her areas of interest include normal growth and development, menstrual disorders, psychosocial issues, and eating disorders.

Jenny Furtak, MSN, RN, CPNP, is a Pediatric Nurse Practitioner in the Adolescent Medicine Division at SSM Health Cardinal Glennon. Ms Furtak works closely with all the physicians in the division, but has a special interest in teens with eating disorders and gynecologic problems.

Theresa Forsythe, Secretary

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