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Dr. Ruth Decker, MD

Dr. Ruth Decker, MD

Age 66 General Surgery F
Star rating icon (11) 11 reviews
Accepting New Patients


Dr. Ruth Decker, MD is a general surgery specialist in Chesterfield, MO. Dr. Decker completed a residency at Marshfield Clin. and is affiliated with St. Luke's Hospital. She accepts multiple insurance plans.


  • Marshfield Clin, Residency Hospital — 1991
  • Washington University, Fellowship Hospital — 1989
  • Marshfield Clin, Internship Hospital — 1987
  • University of Wisconsin School of Medicine, Medical School — 1986

Insurance Accepted

  • Aetna
  • Anthem
  • Anthem Blue Cross Blue Shield
  • Blue Cross Blue Shield
  • CareFirst Blue Cross Blue Shield
  • Cigna
  • First Health (Coventry Health Care)
  • Humana
  • MultiPlan

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Dr. Decker performed a parathyroidectomy on me in November of 2015. First off, you can NOT even see the scar on my throat. She did an exceptional job. Beyond perfect. Second, I was misdiagnosed for about 15 years with Hyperparathyroidism - when I brought my lab work to her and my symptoms she scheduled surgery the next week. It was life changing. Her bedside manner, pre-op, post-op, follow-up care are beyond anything I have ever experienced and I have worked in the medical field for 15+ years. I highly recommend Dr. Decker.
Janey B. — Jun 28, 2019
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Dr. Ruth Decker, MD
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Frequently Asked Questions

Dr. Decker frequently treats Thyroidectomy or Thyroid Lobectomy, Parathyroidectomy, and Thyroid Lobectomy.  

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Hospital Affiliations

  • St. Luke's Hospital


  1. Practice

    1. 1
      224 S Woods Mill Rd Ste 252s, Chesterfield, MO 63017 Existing Patients: (314) 469-1300
    2. 2
      St. Luke's Hospital
      232 S Woods Mill Rd, Chesterfield, MO 63017 Existing Patients: (314) 469-1300