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Allergy & Immunology Specialist
35 years of experience
Accepting new patients
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 (4)

The overall average patient rating of Dr. John Cohn is Good. Dr. Cohn has been reviewed by 12 patients who have provided 4 comments. The rating is 4 out of 5 stars.

Patient Ratings
Ease of Appointment 3.9
Promptness 3.1
Courteous Staff 3.4
Accurate Diagnosis 3.4
Bedside Manner 3.4
Spends Time with Me 3.4
Follows Up After Visit 3.4

Specialties & Research

Dr. John Cohn, MD is board certified in Allergy & Immunology.

  • He has special expertise in 7 areas:
  • Asthma
  • Bronchoscopy
  • Hay Fever (Seasonal Allergic Rhinitis)
  • Lung Cancer
  • Lung Diseases
  • Nasal Allergy (Rhinitis)
  • Occupational Diseases

Education & Awards

Dr. Cohn graduated from Thomas Jefferson University, Philadelphia. He has 2 awards.

Castle Connolly's Top Doctors™ (2013)
Patients' Choice Award (2012 - 2014)


Dr. Cohn has 5 hospital affiliations:

  • Thomas Jefferson University Hospital 
  • Graduate Hospital 

> > > > Dr. John Cohn, MD

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Additional Information
Dr. John Robert Cohn MD is a male Allergist & Immunologist, has 35 years of experience and practices in Allergy & Immunology.
Where does Dr. John R. Cohn practice?
Dr. John Cohn has 1 office location.
Dr. John Cohn practices Allergy & Immunology near Philadelphia, PA.
See Philadelphia Allergists.