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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. Mark Wittry:

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Specialties & Research

Dr. Mark Wittry, MD is board certified in Nuclear Medicine.

  • He has special expertise in 2 areas:
  • Coronary Disease
  • Myocardial Infarction

Education & Awards

Dr. Wittry graduated from Rush Medical College, Chicago.


Dr. Wittry has 7 hospital affiliations:

  • St. John's Mercy Medical Center 
  • St Johns Mercy Hospital 


  • French

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Additional Information
Dr. Mark D Wittry MD is a male Nuclear Medicine Specialist, has 28 years of experience and practices in Nuclear Medicine.
Where does Dr. Mark D. Wittry practice?
Dr. Mark Wittry has 1 office location.
Dr. Mark Wittry practices Nuclear Medicine near Saint Louis, MO.
See Saint Louis Nuclear Medicine Physicians.