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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 Chanasue:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (11)

The overall average patient rating of Dr. John Chanasue is Average. Dr. Chanasue has been reviewed by 27 patients who have provided 11 comments. The rating is 2.5 out of 5 stars.

Patient Ratings
Ease of Appointment 3.0
Promptness 2.3
Courteous Staff 3.2
Accurate Diagnosis 2.5
Bedside Manner 2.5
Spends Time with Me 2.7
Follows Up After Visit 2.6

Specialties & Research

Dr. John Chanasue, MD is board certified in Dermatology and Internal Medicine.

  • He has special expertise in 5 areas:
  • Acne (Acne Vulgaris)
  • Acne Rosacea
  • Melanoma
  • Psoriasis
  • Skin Cancer

Education & Awards

Dr. Chanasue graduated from New York University.


Dr. Chanasue has 11 hospital affiliations:

  • Saint Anthony's Health Center-Alton 
  • Christian Hospital Northeast 

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Additional Information
Dr. John Anthony Chanasue MD is a male Dermatologist, has 36 years of experience and practices in Dermatology and Internal Medicine.
Where does Dr. John A. Chanasue practice?
Dr. John Chanasue has 1 office location.
Dr. John Chanasue practices Dermatology and Internal Medicine near Alton, IL.
See Alton Dermatologists and Alton Internists.