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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. Douglas Berson:

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Specialties & Research

Dr. Douglas Berson, MD is board certified in Allergy & Immunology and Internal Medicine.

  • He has special expertise in 6 areas:
  • Asthma
  • Contact Dermatitis
  • Drug Allergy
  • Food Allergy (Hypersensitivity)
  • Hay Fever (Seasonal Allergic Rhinitis)
  • Nasal Allergy (Rhinitis)

Education & Awards

Dr. Berson graduated from Drexel University , Philadelphia.


Dr. Berson has 12 hospital affiliations:

  • Barnes-Jewish West County Hospital 
  • Barnes Jewish Hospital 


  • Hebrew
  • French

> > > > Dr. Douglas Berson, MD

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Additional Information
Dr. Douglas R Berson MD is a male Allergist & Immunologist, has 28 years of experience and practices in Internal Medicine and Allergy & Immunology.
Where does Dr. Douglas R. Berson practice?
Dr. Douglas Berson has 1 office location.
Dr. Douglas Berson practices Internal Medicine and Allergy & Immunology near Chesterfield, MO.
See Chesterfield Internists and Chesterfield Allergists.