Comprehensive Dermatologic Care in Montreal
At CTC International, we provide personalized dermatologic care across medical, surgical and aesthetic dermatology. Founded in 1981 by Dr. Thomas Kohn, our clinic brings together experienced physicians with complementary areas of expertise to provide thoughtful, individualized care for every patient.
From the diagnosis and treatment of common skin conditions to skin cancer care, dermatologic surgery, hair restoration and cosmetic treatments, our approach combines medical expertise with attention to each patient’s individual needs and goals.
Our Areas of Expertise

Medical Dermatology
Diagnosis and management of a wide range of skin conditions, with individualized treatment plans based on each patient’s needs.

Skin Cancer & Surgery
Assessment and treatment of skin cancer and other conditions requiring dermatologic surgery, including Mohs surgery when appropriate.

Cosmetic Dermatology
Physician-led cosmetic treatments designed around your individual concerns and goals, with an emphasis on natural, personalized results.

Hair Restoration
Individualized assessment and treatment options for hair loss, supported by decades of experience in hair restoration and transplantation.
Experience. Expertise. Individualized Care.
Since 1981, CTC International has provided dermatologic care in Montreal with a commitment to professional expertise and personalized attention. Our physicians offer medical, surgical and aesthetic services within one clinical setting, allowing patients to access a broad range of dermatologic care according to their individual needs.
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Established in 1981
More than four decades of dermatologic care in Montreal.
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Comprehensive Expertise
Medical dermatology, dermatologic surgery, skin cancer care, hair restoration and cosmetic dermatology.
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Personalized Care
Treatment recommendations tailored to each patient's individual concerns, needs and goals.

Patient Information
RAMQ & Medical Services
Many medically necessary dermatology services may be covered by RAMQ when applicable. Coverage depends on the service provided and individual circumstances.
Non-Covered Services & Private Insurance
Some procedures and treatments are not covered by RAMQ and require payment by the patient. When applicable, we provide receipts or supporting documentation that may be submitted to your private insurance provider for possible reimbursement. Coverage varies according to your insurance plan.
Our Philosophy
Personalized care has always been at the heart of our practice.
Dr. Thomas kohn, Board-Certified Dermatologist
Since CTC International was founded in 1981, our philosophy has been simple: every patient deserves to feel heard, respected and cared for as an individual. We strive to create the same sense of trust, attention and compassion that we would want for a member of our own family.
Our goal is to combine medical expertise with thoughtful, personalized care, helping each patient feel comfortable and confident throughout their experience with us.
rvdrtkohn@gmail.com
Medical Arts Building
320-1538 Sherbrooke Street West
Montreal, Quebec
H3G 1L5
