Welcome to the Arthritis Center

3440 DePaul Lane​ - Suite 113

Saint Louis, MO 63044

About the Arthritis Center

Arthritis Center


We accept most public and private insurance plans. Dr. Baak's Arthritis Center specializes in the diagnosis and treatment of auto-immune and inflammatory diseases including rheumatoid arthritis, psoriatic arthritis, lupus, vasculitis, and other conditions. We treat non-inflammatory musculoskeletal conditions including osteoarthritis and soft tissue conditions and specialize in the diagnosis and management of osteoporosis. We provide exceptional patient care using the most up to date diagnostic and therapeutic options available.

Rheumatology Services


The Arthritis Center provides comprehensive Rheumatology for patients and offers in-house Diagnostic Ultrasound Procedures and Infusions.

We currently offer the following in our office:

  • Actemra (Tocilizumab) 
  • Benlysta (Belimumab)
  • Cimzia (Certolizumab Pegol)
  • Orencia (Abatacept)
  • Prolia (Denosumab) 
  • Remicade (Infliximab)
  • Reclast (Zoledronic Acid)
  • Rituxan (Rituximab)