Our New Jersey Providers

Dermatologists, Mohs Surgeon, Physician Assistant

Joshua L. Fox Paige Applebaum Farkas Barry Silver Francis X. DiSpaltro Judy Hu Sonoa AuAza Lefkowitz Karen DuarteZena Petryshyn
Dermatologists
Joshua L. Fox, M.D., F.A.A.D. (Medical Director)Video Intro
Joshua L. Fox, M.D., F.A.A.D. (Medical Director)
Dr. Fox earned his Medical Degree from the Mt. Sinai School of Medicine in New York. He completed an internship at Maimonides Hospital in Brooklyn, followed by a four-year dermatology residency at the New York University School of Medicine. A Fellow of the American Academy of Dermatology, Dr. Fox is known nationwide as a leading authority in the field of dermatology, with an expertise in skin cancer, cosmetic surgery and laser procedures. He has been an expert resource for the public interest on dermatologic topics for the major television networks, radio stations and national newspapers and magazines. Dr. Fox has received multiple research and clinical awards including recognition from Top Doctors, Castle Connolly Top Doctors, RealSelf Top Doctors, Doctor’s Choice Awards, Who’s Who, the International Society of Dermatology and the prestigious Husic Award for most outstanding research. In addition, his service has been recognized by multiple hospitals, civic, educational and community organizations. He has been on the advisory boards of both the Psoriasis Foundation and National Rosacea Foundation, among others. With an extensive background in research, Dr. Fox has presented his findings on a wide range of subjects from laser techniques and cosmetic procedures to stretch marks and scars. He has been Chief of Dermatology of several major teaching hospitals including Mt. Sinai Hospital of Queens and Jamaica Medical Center and is currently on the staff of ten NY area hospitals.In 1987, Dr. Fox founded the AAD Melanoma/Skin Cancer Prevention Program in Queens, NY. He is an educator as much as he is a physician and he has worked tirelessly to develop effective community screening programs and to increase skin cancer awareness and prevention. He later developed a dermatology and skin cancer research and advocacy forum for patients and physicians, called the New Age Skin Research Foundation (www.newageskin.org). He serves as President of the Foundation. Dr. Fox is founder and director of Advanced Dermatology, P.C. and the Center for Laser and Cosmetic Surgery. He and his associates have expanded the practice into one of largest in the region for dermatology, laser & cosmetic surgery. The practice owns more lasers than any other hospital or dermatology practice on the East Coast, and has been a resource center for educating dermatologists, laser surgeons, cosmetic surgeons and others about laser procedures, skin cancer and cosmetic surgery techniques. Click here to learn more about Dr. Fox
^top
Paige Applebaum Farkas, M.D. F.A.A.D.
Paige Applebaum Farkas, M.D. F.A.A.D.
Dr. Paige Farkas is a board certified dermatologist with experience in all areas of medical, cosmetic and laser dermatology. The focus of her practice is general and cosmetic dermatology and skin cancer screening examinations utilizing dermatoscopy technology. She has strong expertise and special training in the use of facial fillers, cosmetic lasers and chemical peels and special certification in the use of Botox. She treats adults and children of all ages. She founded Comprehensive Dermatology and Laser Center in 1996 and built a busy and successful practice over the following decade. Dr. Farkas received her medical degree at Yeshiva University – Albert Einstein College of Medicine with distinction in research, and was a member of the Alpha Omega Alpha Medical Honor Society. She completed her residency and served as chief resident in the Department of Dermatology at Albert Einstein. For many years, she worked as Clinical Instructor at Montefiore Medical Center, and supervised medical residents in the Dermatology Department. She has been a Staff Dermatologist at Valley Hospital in Ridgewood, NJ since 1993, and provides outpatient dermatology clinics for the underprivileged in the community. A caring physician with excellent clinical experience and reputation and a keen academic perspective, Dr. Farkas provides cutting edge dermatologic care with compassion. Click here to learn more about Dr. Farkas
^top
Barry Silver, M.D. F.A.A.D.
Barry Silver, M.D. F.A.A.D.
Dr. Barry Silver graduated magna cum laude from the University of Connecticut and was a member of the Phi Beta Kappa academic honor society. He attended the Medical College of Virginia (Virginia Commonwealth University), where he earned his medical degree and was inducted into the Alpha Omega Alpha Honor Medical Society. He completed a Harvard University Dermatology residency program at Massachusetts General Hospital and earned his dermatology board certification in 1977. Dr. Silver was an active member of the Summit Medical Group in Berkeley Heights, New Jersey for over three decades. He provides medical, surgical and cosmetic dermatology services to patients of all ages. His patient-focused philosophy is to always find the most efficient, cost-effective and complete resolution to the problem at hand. With special surgical skills in a wide range of dermatologic procedures, he offers precision treatment of varied conditions, from spider veins to anti-aging treatments, and also has expertise in Botox® treatments and facial fillers such as Juvederm™, Restylane® and Radiesse®. Click here to learn more about Dr. Silver
^top
Francis X. DiSpaltro, M.D.
Francis X. DiSpaltro, M.D.
Dr. DiSpaltro joined Advanced Dermatology and the Center for Laser and Cosmetic Surgery in 2003. He is experienced in many areas of medical as well as cosmetic dermatology and offers his patients a wide range of treatments available in our offices. He earned a Bachelor of Arts degree in Biology from Binghamton University and pursued his medical degree at the Universidad Autonoma de Guadalajara. Dr. DiSpaltro went on to complete a sub-internship as well as an internship in General Surgery at Downstate Medical Center. He joined the United States Army Medical Corps where he was a Captain and served as the Chief of the clinic at The Kimbrough Army Hospital in Maryland. Upon completion of his duties in the military, Dr. DiSpaltro furthered his education through an internal medicine residency at The University of Medicine and Dentistry of New Jersey at Robert Wood Johnson Medical Center. He practiced Emergency Medicine for several years while pursuing research in immunology as well as in clinical trials at Columbia Presbyterian Medical Center in New York where he worked with world renowned dermatologists. He has published many articles in peer reviewed journals including the Journal of the American Academy of Dermatology, and has given presentations at the national meetings of the American Academy of Dermatology. In 1999 Dr. DiSpaltro went on to further his studies by returning to a residency in dermatology at Columbia Presbyterian Medical Center in New York where he completed his training. He joined Advanced Dermatology shortly after to offer his expertise in medical as well as state of the art cosmetic procedures. His creative spirit and his attention to detail make him particularly suited to the cosmetic aspect of dermatology. Click here to learn more about Dr. DiSpaltro
^top
Judy Hu, M.D., F.A.A.D.
Judy Hu, M.D., F.A.A.D.
Dr. Judy Hu is a board certified dermatologist and a fellow of the American Academy of Dermatology who received her medical degree from East Tennessee State University, James H. Quillen College of Medicine. She completed her dermatology residency at Eastern Virginia Medical School and also did a year of clinical research at Wake Forest University in North Carolina, concentrating on psoriasis and quality of life issues. Dr. Hu was an Assistant Professor in the Division of Dermatology at East Tennessee State University before starting private practice. Dr. Hu specializes in medical, surgical, and cosmetic dermatology with extensive experience in skin rejuvenation utilizing injections and laser therapy. She continues to stay at the forefront of the field and has been published in the Journal of the American Academy of Dermatology, Cosmetic Dermatology, Journal of Cutaneous Medicine and Surgery, Cutis, Journal of Dermatologic Treatments, Skin and Aging, and International Journal of Dermatology. Still, Dr. Hu finds providing compassionate care is the most satisfying aspect of being a dermatologist. Click here to learn more about Dr. Hu
^top
Sonoa Au, M.D., F.A.A.D.
Sonoa Au, M.D., F.A.A.D.
Dr. Au graduated summa cum laude from Cornell University and obtained her medical degree from Washington University in St. Louis. She completed her dermatology residency at University of Illinois at Chicago, and served as chief resident her senior year. During residency, she presented at various local and national meetings and also published several articles in peer-reviewed journals. Dr. Au is a fellow of the American Academy of Dermatology. With a special interest in laser and cosmetic dermatology, in addition to general dermatology, she initially joined Advanced Dermatology, P.C. as the laser and cosmetic fellow to pursue her clinical interests. Now she is an associate at the practice and continues to be an early adopter of new cosmetic treatments. She is fluent in Cantonese Chinese and conversant in Mandarin Chinese. Click here to learn more about Dr. Au
^top
Mohs Surgeon
 Aza Lefkowitz, M.D., F.A.A.D. Mohs Surgery
Aza Lefkowitz, M.D., F.A.A.D. (Mohs Surgery)
Dr. Lefkowitz is a summa cum laude graduate of the State University of New York (SUNY) Downstate College of Medicine in Brooklyn, where he earned his Medical Degree. As a student at SUNY, he was honored with the prestigious Andrew T. Salzberg Award for Superior Achievement in Medical Studies. His medical internship was completed at the Long Island Jewish Medical Center in New Hyde Park. Dr. Lefkowitz attended the University of Medicine and Dentistry of New Jersey to complete a residency in dermatology. In his final year, he was appointed Chief Resident in Dermatology.To further his postgraduate training, Dr. Lefkowitz served a one-year fellowship in Mohs Micrographic Surgery at East Setauket University Hospital, NY. This is an American College of Mohs Surgery (ACMS) approved program for Mohs. Mohs Micrographic Surgery is an advanced treatment procedure for skin cancer, which offers the highest cure rate while preserving healthy tissue, thus minimizing scarring and aesthetic impact. Dr. Lefkowitz has authored over a dozen peer-reviewed research papers and presentations on skin cancer and advanced dermatological laser treatments.Dr. Lefkowitz’s practice is primarily surgical. With his precision and expertise, he is especially well regarded for the exceptional and cosmetically elegant way in which he repairs his patients’ Mohs defects. Board certified in both Dermatology and Mohs Microsurgery, Dr. Lefkowitz has been a member of Advanced Dermatology and the Center for Laser and Cosmetic Surgery since 2001. Click here to learn more about Dr. Lefkowitz
^top
Physician Assistants
Karen Duarte, RPA-C Physician Assistant
Karen Duarte, RPA-C Physician Assistant
Karen Duarte is a board certified physician assistant. She is a member of the American Academy of Physician Assistants, the New Jersey State Society of Physician Assistants, and the Society of Dermatology Physician Assistants. Karen Duarte earned her undergraduate degree at Rutgers University. She received her Master’s degree in Physician Assistant studies from the University of Medicine and Dentistry of New Jersey in Piscataway, New Jersey. Karen provides quality care from infants to the elderly. She is also fluent in Spanish.
^top
Zena Petryshyn, RPA-C Physician Assistant
Zena Petryshyn, RPA-C Physician Assistant
Ms. Petryshyn is a certified Physician Assistant with a Master’s Degree from University of Medicine and Dentistry of New Jersey. She obtained her Bachelor of Science degree in Biology from Montclair State University. Ms. Petryshyn has worked in the medical field for many years. She is a member of the American Academy of Physician Assistants and the New Jersey Society of Physician Assistants. She enjoys working in dermatology due to its diversity and she likes to stay current on the latest treatments. She is fluent in Ukrainian. Ms. Petryshyn provides care to people of all ages with compassion, kindness and understanding, making everyone feel as comfortable as possible.
^top