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Alexander Cassmeyer, MD

Mercy Clinic
Alexander Cassmeyer, MD, Mercy

Alexander Cassmeyer, MD

Specialty

  • Internal Medicine

Online Services

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(4.8/5)
566 Ratings | 145 Comments
Location of Your Visit
Mercy Clinic Primary Care - O'Fallon Winding Woods
300 Winding Woods Drive, Suite 214O Fallon, MO 63366
Mercy Clinic Primary Care - O'Fallon Winding WoodsPhone: (636) 614-3280

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Mercy Clinic Primary Care - O'Fallon Winding Woods
300 Winding Woods Drive, Suite 214O Fallon, MO 63366
Phone: (636) 614-3280
29.0 Miles

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Location and Contact Information

About Alexander Cassmeyer, MD

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      Education
      Medical School
      • Ross University School of Medicine
      Residency
      • University of Missouri - Columbia-Internal Medicine
      Specialty
      Board Certifications
      • American Board of Internal Medicine
      Affiliations
      • Mercy Hospital St. Louis
      Languages
      • English
      • German
      Looking for more options?
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      Patient Ratings and Comments

      Rating

      From 565 patients
      (4.8/5)
      The provider rating is an average based on Mercy Clinic's post-care survey responses. To find out more, check out our frequently asked questions.

      Comments

      Viewing 1-3 of 144 comments
      Highlights from patients about their experience with this provider:
      • Apr 8, 2025
        (5/5)
        Dr. Cassmeyer and staff were friendly, very helpful and supportive. Everything you would hope medical staff would be.
      • Apr 8, 2025
        (5/5)
        I switched from ssm to mercy intentionally so, I love mercy.
      • Apr 3, 2025
        (5/5)
        There is no doubt that they care about you. They always go over and above.