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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. John Shannon:

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Specialties & Research

Dr. John Shannon, MD is board certified in Anatomic Pathology & Clinical Pathology.

Education & Awards

Dr. Shannon graduated from Louisiana State University at New Orleans.


Dr. Shannon has 9 hospital affiliations:

  • Methodist Dallas Medical Center 
  • Baylor Medical Center at Carrollton 


  • English

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Additional Information
Dr. John Daniel Shannon MD is a male Pathologist, has 21 years of experience and practices in Anatomic Pathology & Clinical Pathology.
Where does Dr. John D. Shannon practice?
Dr. John Shannon has 2 office locations.
Dr. John Shannon practices Anatomic Pathology & Clinical Pathology near Dallas, TX.
See Dallas Pathologists.