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Critical Care Specialist, Pulmonologist (lungs)
18 years of experience
Accepting new patients
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).

Patient Reviews

Patient comments (9)

The overall average patient rating of Dr. Marcum Quinn is Good. Dr. Quinn has been reviewed by 24 patients who have provided 9 comments. The rating is 4 out of 5 stars.

Patient Ratings
Ease of Appointment 4.0
Promptness 4.3
Courteous Staff 4.1
Accurate Diagnosis 4.2
Bedside Manner 3.9
Spends Time with Me 4.1
Follows Up After Visit 3.9

Specialties & Research

Dr. Marcum Quinn, MD is board certified in Critical Care Medicine and Pulmonary Disease.

  • He has special expertise in 1 area:
  • Asthma

Education & Awards

Dr. Quinn graduated from The University of Texas Southwestern, Dallas.


Dr. Quinn has 4 hospital affiliations:

  • Medical Center Of Mckinney 
  • Methodist Richardson Medical Center 


  • English

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Additional Information
Dr. Marcum O Quinn MD is a male Internist, has 18 years of experience and practices in Critical Care Medicine and Pulmonary Disease.
Where does Dr. Marcum O. Quinn practice?
Dr. Marcum Quinn has 4 office locations.
Dr. Marcum Quinn practices Critical Care Medicine and Pulmonary Disease near Richardson, TX.
Additional practice locations include: Frisco, TX and Plano, TX.
See Richardson Critical Care Practitioners and Richardson Pulmonologists.