Betty S. Cross, MD, FAAP

Betty S. Cross

Contact Information

  • Office 636-296-4466
  • After Hours 636-296-4466
  • Fax 636-296-6561


Main Location

Jefferson Pediatrics
1765 Old State Route 21
Arnold, MO 63010
Get directions

Hospital Affiliations

Mercy Hospital St. Louis
Missouri Baptist Medical Center
Mercy Hospital South (formerly St. Anthony's Medical Center)
St. Louis Children's Hospital
SSM Health Cardinal Glennon Children's Hospital
SSM Health St. Clare Hospital - Fenton


Board-certified pediatrician Dr. Cross enjoys working with children, sharing their smiles, answering questions, and offering guidance. She is inspired by them as they grow into wonderful young adults and feels pediatrics is the specialty that can have the greatest impact on the health and well-being of future generations. Dr. Cross grew up loving science and math and served as a Girl Scout camp counselor. She enjoys playing guitar and spending time outdoors camping, canoeing, and gardening.

Dr. Cross accepts all major insurances. For more information, please visit our Insurance page.


Residency: Baylor College of Medicine
Medical School: University of Kansas School of Medicine

Certifications & Organizations

American Board of Pediatrics
American Medical Association
Fellow, American Academy of Pediatrics

"As an independent physician, I'm not limited in the resources I can recommend or physician networks I can refer patients to for great care."

Betty S. Cross, MD