The Center for Rheumatic Disease

  • 11 Rheumatologists
  • 5 Locations around the Kansas City Metropolitan area
  • 60 Years in continuous practice

Experienced Board certified Rheumatologists


Onsite X-ray, Bone Density, Phlebotomy and Infusion Services


Proudly serving Kansas City for over 60 years

We are pleased to announce that we have relocated two of our offices!

Expanding will allow us to continue to provide top quality care for our patients.

Our Plaza office opened March 26, 2021(Pictured here). The new office is located approximately ½ block Southwest of the Broadway entrance to our previous office at the Saint Luke’s Plaza Campus. Our Plaza Address:

4440 Broadway Blvd
Kansas City, Missouri 64111

Our Overland Park office opened May 3, 2021. The new office is located just 0.6 miles South of our old office at the Saint Luke’s South Campus. New Overland Park Address:

12850 Metcalf Ave, Suite 220
Overland Park, KS 66213

We assure you that this will not affect the continuity of care for any of our patients at any of our offices. Our current phone number will not change. This change will not affect our Northland, Olathe/Lenexa, or Lee’s Summit clinics.

*Click image to view larger

Available On-Site

Covering All Grounds

Experience. Collaboration. Accountability.

Our physicians have trained all over the United States, with decades of experience.

We routinely meet as colleagues to review cases, explore the latest treatments, and collaborate for the good of our patients.

We help train and mold future physicians as adjunct UMKC School of Medicine professors.

Meet Our Newest Physicians

Sarah Fantus, M.D.
Board Certified Rheumatologist

Dr. Sarah Fantus joined our practice in September 2022.  Dr. Fantus completed her Rheumatology fellowship at Northwestern University in Chicago.  She went to medical school at Georgetown University in Washington, DC, and completed her Internal Medicine Residency at Loyola University in Chicago.  After her fellowship, she continued on as faculty at Northwestern Memorial Hospital, as an Assistant Professor of Rheumatology, Fellowship Associate Program Director, and Co-Director of the Scleroderma Program. She now works alongside her mother, Dr. Ann Warner, who is also a rheumatologist practicing at KCPP. She is accepting patients at our West and Plaza locations.

Erica Campbell, D.O.
Board Certified Rheumatologist

Dr. Erica Campbell completed her Rheumatology fellowship at the University of Kansas Medical Center. She went to medical school at Kansas City University of Medicine and Biosciences and completed her Internal Medicine residency at Mercy Hospital in St Louis. She is board certified in Internal Medicine and Rheumatology. She is currently accepting patients starting May 1st, 2023. She will be seeing patients at our East, North, and Plaza locations.

The Center for Allergy & Immunology

Our respected Allergists/Immunologists have created their own website. You can use their website for online new patient referrals, messaging forum, etc.  For more information about our Allergy Department, visit

Our Team

Meet Our Physicians

K ``Kwas`` Huston, M.D.

Board Certified Rheumatologist

Christopher D. Koenig, M.D.

Board Certified Rheumatologist

Mike W. Smith, M.D.

Board Certified Rheumatologist

Ann E. Warner, M.D.

Board Certified Rheumatologist

Local knowledge with global experience

Whatever your challenge, our goal is to help turn complex situations into successful outcomes