Dr. John Chanasue, MD


Dermatology | Male

Dr. John Chanasue, MD

Dr. John Chanasue, MD is a dermatology doctor who practices in Alton, IL. He is 66 years old and has been practicing for 41 years.

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Dr. Chanasue's Experience

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Procedures Performed

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Background Check

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Languages Spoken

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Memberships & Professional Affiliations

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Dr. Chanasue accepts 6 insurance carriers

Dr. Chanasue is now accepting new patients

Dr. Chanasue's Reviews

Likelihood of recommending Dr. Chanasue to family and friends
based on 11 total reviews (3 with comments)
Dr. Chanasue's Performance
  • Trustworthiness
  • Explains condition(s) well
  • Answers Questions
  • Time well spent
Office & Staff Performance
  • Scheduling
  • Office environment
  • Staff friendliness
  • Average wait time
    31 to 45 minutes
Patient Comments (3)
Alton, IL |
Misdiagnosed my husband and told him he had an age/sun spot and did not do a biopsy. My husband went to see a different doctor and who did a biopsy and found out he actually has melanoma that has now spread to his lymph nodes.
in Alton, IL |
It's a scam. He would only prescribe a month's worth of acne medication to ensure he would get continuous visits, and the fees associated with those visits. In addition to the unnecessary visits, he is ALWAYS over an hour late. I finally went elsewhere when it was fully apparent he was just milking my money. The new doctor gave me a 6 month prescription on my first visit...
Dr Chanasue and his staff treats his patients with respect. Sure you might have to wait, but it's because he is spending QUALITY time with his patients, not trying to see how many he can shuffle through.
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Dr. Chanasue's experience matches your search based on the following criteria:

  •  Based on total number of patients treated over the last 12 months
  •  Specializes in Dermatology
  •  No board certification on record with Healthgrades
  •  No malpractice claims found
  •  No sanctions found
  •  No board actions found

Background Check

  • 0
    Malpractice Claims

    No malpractice history found for Illinois.

    What is medical malpractice
  • 0

    No sanctions history found for the years that Healthgrades collects data.

    What is a sanction or disciplinary action
  • 0
    Board Actions

    No board actions found for the years that Healthgrades collects data.

    What are board actions

Conditions Treated

  • Actinic Keratosis
  • Allergic Reaction
  • Athlete's Foot
  • Basal Cell Carcinoma
  • Cancer
  • Cold Sore
  • Dermatitis
  • Dermatitis Due to Drugs
  • Eczema and Contact Dermatitis Due to Detergents
  • Folliculitis
  • Foot Conditions
  • Herpes Simplex Infection
  • Intertrigo
  • Melanoma
  • Psoriasis
  • Ringworm
  • Rosacea
  • Seborrheic Dermatitis
  • Skin Cancer
  • Skin Discoloration
  • Skin Infections
  • Squamous Cell Carcinoma
  • Varicose Veins
  • Warts


  • Medical School
    New York Univ Sch Of Med

    Graduated in 1976

  • Internship Hospital
    Barnes Jewish Hospital

    Completed in 1977

  • Residency Hospital
    Barnes Jewish Hospital

    Completed in 1982

Languages Spoken

  • English

Memberships &
Professional Affiliations

Dr. Chanasue does not have any memberships or affiliations listed. If you are Dr. Chanasue and would like to add memberships or affiliations, please update your free profile.


  • Dermatology
  • Internal Medicine

Procedures Performed

  • Destruction of Benign Skin Lesion
  • Excision of Skin Cancer
  • Excision of Skin Lesion