The 20 Best Addison's Disease Doctors Near Me in lake st louis, MO
Find the Top Addison's Disease Experts and Specialists
SSM Health Medical Group
Jason Vangundy is a primary care provider, practicing in Family Medicine in Lake St. Louis, Missouri. Dr. Vangundy is rated as an Experienced provider by MediFind in the treatment of Addison's Disease. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Type 1 Diabetes (T1D), Childhood Iron Deficiency Anemia, End-Stage Renal Disease (ESRD), and Type 2 Diabetes (T2D). Dr. Vangundy is board certified in Missouri Dept Of Health/Narcotics&Dangerous Drugs , American Board Of Family Medicine , Missouri State Board Of Registration, and Drug Enforcement Administration . Dr. Vangundy is currently accepting new patients.
Office
April Thebeau is a primary care provider, practicing in Internal Medicine in Saint Peters, Missouri. Dr. Thebeau is rated as an Experienced provider by MediFind in the treatment of Addison's Disease. She is also highly rated in 18 other conditions, according to our data. Her clinical expertise encompasses Viral Gastroenteritis, Colitis, Urinary Tract Infection in Children, Colonoscopy, and Endoscopy.
Hospital Based Practice
John Hartweger is a primary care provider, practicing in Internal Medicine in Saint Peters, Missouri. Dr. Hartweger is rated as an Experienced provider by MediFind in the treatment of Addison's Disease. He is also highly rated in 36 other conditions, according to our data. His clinical expertise encompasses Infectious Arthritis, Pneumonia, Multisystem Inflammatory Syndrome in Children (MIS-C), Endoscopy, and Colonoscopy.
Last Updated: 09/26/2026
