Meet the SkinMedix Staff

SkinMedix staff includes highly skilled RNs and nurse practitioners who are dedicated, experienced and professional.

Left to Right: Michael Arnstein, MD, Michelle Garbin, Clinical Aesthetician, Chris Finn, Manager, Eileen Butler, Clinic Manager, Amanda Cook, Administrative Assistant, Kim Keim, RN, Injectibles Specialist, Catherine Markham, Clinical Aesthetician, Linda Portis, RN, Natasha Le Sage, Receptionist, Carissa Netto-Brown RN, Injectibles Specialist.

Not Pictured: Leila Miranda La Vertu, RN, NP, Tricia Guererro, RN, Shawna McClanahan, RN, Deanne Newton, PA, Leigh Ann Schmidt, RN, Liz Qassemzaden, Clinical Aesthetician

Michael Arnstein, M.D.

SkinMedix is lead by Dr. Michael Arnstein, a Board Certified Plastic and Reconstructive Surgeon. He and his friendly staff at SkinMedix offer numerous procedures and skin treatments including; Rhinoplasty, Breast Augmentation, Liposuction, Cellulite Reduction, Botox, Cosmetic Fillers, Laser Hair Removal, Skin Tightening, Fractional Skin Resurfacing, Peels, and Facials. With years of experience in aesthetic medicine, Dr Arnstein is proud to have a dedicated team of highly trained NPs, PAs, RNs and Aestheticians. Our staff prides itself on advocating the highest quality of care, with the safest, most advanced technologies and skills.

Michael Arnstein, M.D.

Leila E. Miranda-Lavertu, RN. NP

Leila E. Miranda-Lavertu is a California State Licensed Registered Nurse, Family Nurse Practitioner. She has a Masters of Science in Nursing from California State University Long Beach and trained in Family and Emergency Medicine.

Leila has been specially trained and certified in cosmetic procedures. Her areas of service include Botox, Injectable Fillers, IPL/Photofacial, Refirme Skin Tightening, and Laser Hair Removal. Committed to safety, quality, and excellent aesthetic outcomes, she actively seeks knowledge through research, conferences, training seminars, and consumer experiences to deliver the best skin care to her clients. Leila has an extensive and diverse clinical nursing background including emergency, oncology, cardiac, gastroenterology, and aesthetics. She works at Little Company of Mary Torrance as an Emergency Clinical Nurse Educator and is on faculty at the El Camino College Nursing Program.

Leila is a member of numerous nursing associations and societies including the Emergency Nursing Association, Sigma Theta Tau International Honor Society of Nursing, Pediatric Liaison Nurse of Los Angeles County, Organization of Healthcare Educators. She is a lecturer and trainer for the Collaborative for Alternatives to Violence and Abuse (CAVA), a South Bay community-wide initiative program that provides an innovative model of care in identification, referral, safety, and follow-up of intimate partner violence victims. Her genuine compassion, gentle spirit, and dedication create a positive experience for her clients.

Carissa Netto-Brown, RN

We are Thrilled to Welcome Back Carissa Netto-Brown to the SkinMedix Team!!

Carissa is a California State licensed Registered Nurse who received her BSN at California State University Long Beach, and is a healthcare professional with years of experience and is currently the Team Leader for the Urgent Care Clinic at Kaiser Permanente in Santa Ana. Carissa has been specially trained in medical aesthetics and has acquired exceptional skills in the art of facial contouring and rejuvenation. Her commitment to safety, quality, and excellent aesthetic outcomes has led to a dedicated client base that will be as happy to welcome her back as we are!!

Catherine Markham

Catherine Markham is a board certified aesthetician who specializes in acne and anti-aging skin treatments. Originally from Vancouver, B.C. Canada, she relocated to Los Angeles after receiving her degree in Makeup and Esthetics in 1991.

Prior to working at SkinMedix, Catherine worked for 10 years as a Makeup Artist in Hollywood as well as Photo Editor/Art Director for various photographers and magazines. She now continues to work as a Makeup Artist and in 2010, she obtained her California Esthetics License and continued with advanced training at The International Dermal Institute consisting of International Skincare Techniques, European Facials, Acids and Peels. Catherine specializes in SkinCeuticals Micropeels, the Edge System’s Hydrafacial, and Intraceuticals Oxygen Infusion Facials, and is a primary cellulite reduction and skin tightening technician. Her continuous pursuit of education allows her to stay current on the most advanced procedures and innovative products.

Catherine is a member of Aesthetic International Association and serves as a contributing skincare writer for With a strong background in beauty, esthetics and cosmetics, she is passionate about helping clients improve their skin and educating them to achieve the best results and to maintain maximum benefits.

Michelle Garbin

Michelle is considered a Face Whisperer.  In a town where beauty is a job requirement, the search for flawless skin is an art form!  She is in-demand with the most celebrated “A list” movie and television stars as a makeup artist, men’s facialist  and skin care specialist.  Michelle Garbin has over 20 years experience in the skin care field working with the American Cancer Society, Burn Associations, Plastic Surgeons and Dermatologists as a Licensed Clinical Esthetician.

Her expertise is performing medical dermatological procedures on skin disorders, severe acne, photo damage, and anti-aging remedies to achieve flawless looking skin. Michelle helps repair and rejuvenate skin, thus allowing clients to reverse skin damage and reduce scarring.  She has the ability to make people feel and look better enabling them to regain their self-confidence and restore their natural glow. She was the sole trainer for all of Southern California’s Kaiser Permanente estheticians for more than 10 years. Michelle is the founder of Vivid MD Skincare,   Beauty and skincare websites have listed various Vivid MD Skincare products as “Best Skincare Products”.  Her clinical esthetician background combined with her industry expertise, make her a great fit for our exclusive location. She is available for appointments during the weekends.