our mission

Our goal is simple: to treat patients like our own family.

meet the

Team of professionals

Dr. Chris Tomassian, MD

Board-Certified Dermatologist

Dr. Chris Tomassian is a Board-Certified Dermatologist born and raised in California. Dr. Tomassian completed his medical school at University of Missouri Kansas City and continued his dermatology training at Kansas University Medical Center. He is passionate about both cosmetic and medical dermatology and strives to provide results that are natural and youthful.

During his time as a resident Dr. Tomassian had a passion for aesthetic and medical dermatology and was named Cosmetic Chief of his residency program. In 2020, he was named The Best Dermatologist in Kansas City by the Kansas City Pitch.

Dr. Tomassian’s main goal when creating The Dermatology Collective was to create a space that is accessible, relaxing, and enjoyable to give his patient’s the best care. When creating The Dermatology Collective (TDC), Dr. Tomassian was determined to build an inviting, state of the art medical practice to serve his community. His goal is simple, treat patients like his own family which means working closely with you to create a personalized plan to better your skin.

When Dr. Tomassian is not practicing, he provides his expert dermatological perspective to tackle social media trends, misinformation, and guides his followers to finding effective and affordable skincare.

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DR. MINA AMIN, MD

Board-Certified Dermatologist

Dr. Mina Amin is a Board-Certified Dermatologist born and raised in Los Angeles. She graduated summa cum laude from UCLA and earned her medical degree with high honors from the University of California Riverside School of Medicine. Dr. Amin completed her dermatology residency at Kaiser Permanente Los Angeles Medical Center, where she served as Chief Resident and directed the resident cosmetic clinic. She and Dr. Tomassian forged a strong professional relationship during their first year of residency together.

Following her residency, Dr. Amin became an attending physician within the Kaiser system and a clinical professor at the Kaiser Permanente Medical School, where she mentored residents in the UCLA Harbor dermatology program. She is a recognized figure in the dermatology community, with features in Vogue, Allure, Glamour, SELF, Marie Claire, and more. Her contributions include over 50 peer-reviewed research articles and presentations at national dermatology conferences.

Dr. Amin is passionate about educating her patients on skincare, offering evidence-based treatments with a natural approach to aesthetic medicine. She is dedicated to providing the highest quality care, focusing on both the health and beauty of her patients' skin.

Outside of work, Dr. Amin enjoys spending time with her family, exploring new restaurants in Los Angeles, cooking, and practicing Pilates.

Marine Chilyan, FNP

Family Nurse Practitioner

Marine Chilyan is a dedicated and compassionate Nurse Practitioner with an extensive background in aesthetic dermatology. An Armenian native who arrived in the United States in 2000, Marine's pursuit of excellence in nursing led her to obtain her degree from Los Angeles Valley College (LAVC). She then furthered her education and received her Family Nurse Practitioner (FNP) degree from Charles Drew University. This allowed her to specialize in medical dermatology, a field where she continues to make significant impacts.

Marine's approach to patient care is rooted in a philosophy that celebrates the individual. She believes in empowering women to appreciate their unique attributes and find the true essence of beauty amidst their imperfections. Utilizing a spectrum of cosmetic enhancements and skincare regimens, she is committed to delivering natural-looking results that compliment each patient’s intrinsic beauty.

Working collaboratively with Dr. Tomasian, Marine is highly regarded for her meticulous attention to detail and the personalized experiences she guarantees for every patient. She combines her deep medical knowledge with an unwavering commitment to ensuring patients leave feeling confident and satisfied with their results.

Denise Matthews

Medical Aesthetician

Denise Matthews stands at the forefront of the aesthetics world with an impressive tenure of 35 years as a licensed Medical Aesthetician. Her dedication to her craft extends far beyond the treatment room, exemplified by her deep-seated commitment to helping her patients achieve and maintain vibrant, healthy skin. Acne and acne scar treatment are the cornerstones of her expertise, areas where her capacity to generate positive change shines brightest.

In collaboration with Dr. Chris Tomassian, Denise crafts customized skincare plans that are as unique as the individuals she treats. Her patients are not just recipients of her extensive knowledge; they are partners in a shared quest for skin health. The foundation of Denise's expertise is her empathetic approach, fostering a sanctuary where each patient's needs and concerns are met with unparalleled attention and warmth.

Her vision is clear and resonates through every aspect of her work: To empower her patients to find confidence and love for their skin, no matter the challenges they face. Whether contending with chronic acne, mitigating the impacts of scarring, or seeking guidance on general skincare, patients can rely on Denise’s wealth of knowledge and passionate dedication. Trust your skin to Denise Matthews, and experience her unwavering devotion to your skin's health and beauty.