About Us

Our main focus is the surgical and medical treatment of skin disease. All of the associated dermatologists at Saddleback Dermatology Laser + Cosmetic Center are board certified and together have decades of clinical experience.

In addition to clinical practice, they have held teaching positions as Clinical Professors at the University of California in Irvine. Through training, experience, academic associations, fellowships and leadership positions in professional societies, we strive to deliver state of the art dermatologic care.

Click here to read more about why you should choose a board-certified dermatologist.


    Ira Bell, MD

    Dr. Bell was born in New Jersey where he completed his undergraduate and medical school training at Rutgers University. He is a member of The National Honor Society, Phi Beta Kappa and Alpha Omega Alpha, the honors medical society. Dr. Bell completed an internal medicine residency at Georgetown Hospital followed immediately by his Dermatology residency at the University of California Irvine. He is board certified in both Internal Medicine and Dermatology. He taught dermatologic surgery at UCI as a clinical professor for some time after graduating their program.

    Karen G. Benik, MD

    Dr. Benik is a board certified dermatologist with over 25 years of experience in medical and surgical dermatology with a special emphasis on cosmetic and laser dermatology. She completed her undergraduate degree in Biology, summa cum laude, at California State University of Long Beach. She went on to the University of California, Irvine, where she received her medical degree, completed her Dermatology Residency and was named Resident Teacher of the year. She is a published author in the Journal of the American Academy of Dermatology, studying Retin A and its effects on skin and photo aging.

    Dr. Benik has spent 14 years as an Associate Clinical Professor in Dermatology at UCI where she taught both surgery and supervised outpatient clinics. She has served as both a member of the Board of Directors and President of the Orange County Society of Dermatologists. As part of her dedication to improving public awareness of skin care, Dr. Benik has been featured on several radio and television programs including Cox 3’s The Mix and American Health Journal on PBS. Dr. Benik has also been named a “Top Orange County Dermatologist” by Orange Coast Magazine. Dr. Benik has a true passion for the field of medical, surgical, and cosmetic dermatology and remains committed to the individual needs of her patients. 

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    Marguerite Critelli, MD

    Dr. Marguerite Critelli, MD joins Saddleback Dermatology Laser + Cosmetic Center after moving back to her native California from Houston, TX. An active member of the American Academy of Dermatology, and the American Society for Dermatologic Surgery (ASDS), Dr. Critelli treats patients of all ages and skin types. Dr. Critelli provides personal care to all of her patients and strives to treat every patient according to their specific needs and goals. Dr. Critelli provides a broad spectrum of dermatology service to her patients including:

    Medical Dermatology – diagnosing and treating patients for rashes, acne, psoriasis, vitiligo, suspicious skin lesions, skin checks, skin biopsies, freezing of precancerous and benign lesions, warts and any other disease or disorder of the skin, hair or nails.

    Surgical Dermatology – Dr. Critelli provides surgical dermatology services at Saddleback Dermatology including excisions of cysts and benign growths, excisions of all types of skin cancers, excisions of dysplastic or other abnormal moles and other dermatologic surgeries her patients may need. Dr. Critelli is a proud member of the ASDS (American Society for Dermatological Surgery) and has undergone extensive training in all types of skin surgery in her distinguished career.

    Cosmetic Dermatology – Dr. Critelli has been praised for her work in Cosmetic Dermatology and maintained a strong interest in the use of Laser Treatment for both its medical and cosmetic benefits. She is excited to continue to offer Cosmetic Dermatology services at Saddleback Dermatology Laser + Cosmetic Center. Dr. Critelli provides toxin therapy for fine lines and wrinkles (Botox), Filler for nasolabial folds and deep wrinkles (Juvederm or Restylane), PRP treatments, Light Therapy Laser Treatments for a wide array of skin problems, both medical and cosmetic, as well as sclerotherapy for spider veins, and more.

    Dr. Critelli founded Crystal Cove Dermatology, Inc. in Newport Beach, California in 1998 and brings with her 20 years of experience and dedication as a private practice and consulting Dermatologist. Dr. Critelli's love for gaining new knowledge and working with the newest technologies is easy to recognize. She is pleased to offer Saddleback Dermatology patients access to her high level of expertise and thorough examination of the skin, early detection and treatment of skin cancers, as well as cutting edge procedures. Dr. Critelli has interest in Integrative and Holistic Medicine as adjunctive knowledge to her outstanding medical, surgical, and cosmetic dermatology training. Preventative care and patient education has always been imperative to all of Dr. Critelli's treatment plans.

    Saddleback Dermatology is proud to welcome her to our family of Board Certified Dermatologists!

    Azin Meshkinpour, MD

    Dr. Meshkinpour is a board certified dermatologist who practices medical, surgical (including Mohs surgery for skin cancers) and cosmetic dermatology. She completed her undergraduate education and her Masters in Public Health (MPH) degrees at UCLA. She then completed her medical and dermatology residency at the University of California, Irvine (UCI). Dr. Meshkinpour spent an additional year at UCI as a research fellow performing clinical trials in Psoriasis. She continues to have a special interest in treating psoriasis and skin cancers. She is a fellow of the American Academy of Dermatology and the American Society of Mohs Surgery.

    Kim Tang, MD

    Dr. Kim Tang has practiced general and cosmetic dermatology at Saddleback Dermatology & Laser Center in Lake Forest, CA since 1996. Her patients come from as far away as North L.A. County, Las Vegas, Texas, Georgia and North Carolina for her expertise. Dr. Kim Tang also specializes in dermatologic surgery, performing Mohs surgery, a highly complex form of cosmetic reconstruction surgery, to treat skin cancer patients.

    Adding an innate gift of talent to her accolades, Dr. Kim Tang completed her undergraduate years at US Irvine, where she earned her Bachelor's, magna cum laude, in Biological Sciences. She graduated from UC Irvine medical school with honors, earning membership to the highest medical honor society, Alpha Omega Alpha, and completed her 3-year residency in Dermatology at the University of California, Irvine. In 1995, Dr. Kim Tang was awarded the Diplomate, American Board of Dermatology and was re-certified in 2005 and 2015. Dr. Tang specializes in the art of nonsurgical facial lifts. She has been able to skillfully combine the use of lasers, Botox, and dermal fillers to provide patients with a youthful and fresh experience without the risks and downtime of surgery. 

    Sam Truong, MD

    Dr. Truong specializes in medical and surgical dermatology. He received his Medical Degree with Alpha Omega Alpha honors (AOA) from the University of California, San Francisco, which consistently ranks as one of the top three medical schools in the country. Prior to medical school, Dr. Truong completed his undergraduate training at the University of California, Irvine where he graduated summa cum laude—a distinct honor awarded to the top 1% of graduating students. He later completed his medical and dermatology residency at the University of California, Irvine (UCI) where he was selected as chief resident by his professors and peers. Dr. Truong is board certified by the American Board of Dermatology and he is board certified in Mohs surgery. Dr. Truong is also a Fellow of the American Academy of Dermatology and of the American Society for Mohs Surgery. He has extensive training in skin cancer surgery and managing multiple skin conditions, including dermatitis, acne, eczema, psoriasis, rosacea, and skin cancer detection and removal. 

    Dr. Truong was born and raised in Southern California. When he is not working, Dr. Truong likes to spend his time outdoors. He enjoys hiking, cycling, and is an enthusiastic photographer and avid traveler.

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