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Internist, Critical Care Specialist, Pulmonologist (lungs)
16 years of experience

Video profile
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 (5)

The overall average patient rating of Dr. John Masson is Average. Dr. Masson has been reviewed by 8 patients who have provided 5 comments. The rating is 3 out of 5 stars.

Patient Ratings
Ease of Appointment 3.3
Promptness 3.4
Courteous Staff 3.7
Accurate Diagnosis 4.1
Bedside Manner 3.0
Spends Time with Me 3.0
Follows Up After Visit 3.0

Specialties & Research

Dr. John Masson, MD is board certified in Critical Care Medicine and Pulmonary Disease.

  • He has special expertise in 2 areas:
  • Asthma
  • Sleep Apnea (Sleep Apnea Syndromes)

Education & Awards

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


Dr. Masson has 4 hospital affiliations:

  • Largo Medical Center 
  • Morton Plant Hospital 


  • Italian
  • Spanish

> > > > Dr. John Masson, MD

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Additional Information
Dr. John A Masson MD is a male Internist, has 16 years of experience and practices in Internal Medicine, Critical Care Medicine, and Pulmonary Disease.
Where does Dr. John A. Masson practice?
Dr. John Masson has 1 office location.
Dr. John Masson practices Internal Medicine, Critical Care Medicine, and Pulmonary Disease near Clearwater, FL.
See Clearwater Internists, Clearwater Critical Care Practitioners, and Clearwater Pulmonologists.