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License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Learn more about Dr. Kenneth Zehnder:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (4)

The overall average patient rating of Dr. Kenneth Zehnder, Orthopedic Surgery is Below Average. Dr. Zehnder has been reviewed by 13 patients who have provided 4 comments. The rating is 2 out of 5 stars.

Patient Ratings
Ease of Appointment 3.9
Promptness 3.8
Courteous Staff 2.6
Accurate Diagnosis 2.0
Bedside Manner 2.0
Spends Time with Me 1.9
Follows Up After Visit 1.7

Specialties & Research

Dr. Kenneth Zehnder, MD is board certified in Orthopaedic Surgery.

  • He has special expertise in 6 areas:
  • Arthroscopic Surgery (Arthroscopy)
  • Hip Osteoarthritis
  • Hip Surgery (Hip Replacement Arthroplasty)
  • Knee Osteoarthritis
  • Knee Surgery (Knee Replacement Arthroplasty)
  • Osteoarthritis (Hand and Wrist)

Education & Awards

Dr. Zehnder graduated from Saint Louis University.


Dr. Zehnder has 16 hospital affiliations:

  • St Anthonys Medical Center 
  • Forest Park Community Hospital 


  • English

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Additional Information
Dr. Kenneth W Zehnder MD is a male Orthopaedic Surgeon, has 39 years of experience and practices in Orthopaedic Surgery.
Where does Dr. Kenneth W. Zehnder practice?
Dr. Kenneth Zehnder has 1 office location.
Dr. Kenneth Zehnder practices Orthopaedic Surgery near Saint Louis, MO.
See Saint Louis Surgeons.