Cardiologist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Chiropractor providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Dentist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Dermatologist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Family Physician providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
OB-GYN providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Ophthalmologist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Orthopedic Surgeon providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Pediatrician providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Physical Therapist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Podiatrist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Psychiatrist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Lisa M. Gruson, MD, is a board-certified dermatologist and part of the medical team at the Skin Institute of New York (SINY®). Dr. Gruson practices medical and cosmetic dermatology and performs laser procedures at SINY’s® three offices, one in the West Village area of New York City and the others in the Bay Ridge and Park Slope areas of Brooklyn, New York.
After earning her undergraduate degree at the University of Michigan in Ann Arbor, Michigan, and graduating with Phi Beta Kappa honors, Dr. Gruson received her medical degree from the New York University School of Medicine in New York City. While in medical school, she earned the Marion B. Sulzberger Dermatology Award and membership in the prestigious Alpha Omega Alpha Honor Medical Society. She then completed her dermatology residency at the NYU Medical Center, serving as chief resident and receiving the Morris Leider Award for excellence in dermatology.
Dr. Gruson is a fellow of the American Academy of Dermatology and an active member of numerous professional medical organizations, including the New York State Medical Society, the American Contact Dermatitis Society, and the Dermatologic Society of Greater New York. She has conducted research and published numerous scholarly articles on dermatology topics, including skin allergies, her area of expertise, and she has presented these findings at national medical conferences.
As a clinical assistant professor at the NYU School of Medicine, Dr. Gruson teaches dermatology residents and also advises medical students who are considering the dermatology specialty.
Sergey Petrosian DO is a board-certified dermatologist at the Skin Institute of New York (SINY®). Dr. Petrosian treats adult and pediatric patients at three of SINY’s® offices, in the Forest Hills area of Queens as well as the Bay Ridge and Park Slope areas of Brooklyn, New York.
He is a native of New York City who grew up in Queens and attended Brooklyn Technical High School. After earning a bachelor of science degree from SUNY Stony Brook University, Dr. Petrosian received his medical degree from New York College of Osteopathic Medicine (NYCOM/NYITCOM) in Westbury, New York. He then completed his residency at St. John’s Episcopal Hospital in Queens, New York in affiliation with Lake Erie College of Osteopathic Medicine.
Dr. Petrosian attended, presented and lectured at many conferences as a resident, he also received many scholastic accolades in that time. During his residency Dr. Petrosian consistently scored amongst the top percentile in the nation on in-service examinations. He trained with and received mentorship from various experts in many fields of dermatology who practice here in New York City. His training in New York City gave him exposure to a very large and diverse patient population.
Dr. Petrosian is an active member of the American Academy of Dermatology. He enjoys medical dermatology and also spent three years training with a cosmetic dermatologist. Although he provides comprehensive dermatologic treatment for all of his adult and pediatric patients, his special areas of expertise and interest include cosmetic dermatology, acne, hair loss, and skin cancer screening. Dr. Petrosian focuses on treating all of patients like family, providing the highest level of individualized and compassionate care.
Dr. Regina Zambrano DiFiore is a board-certified dermatologist at the Skin Institute of New York (SINY®), where she sees patients at the Massapequa, Long Island office. Born and raised on the south shore of Long Island, Dr. Zambrano is honored to return to her community and provide expert dermatologic care to patients of all ages. She is trained in medical, surgical, pediatric, and cosmetic dermatology, and has advanced experience treating all skin types with a compassionate, personalized approach.
Dr. Zambrano graduated with honors from Stony Brook University, where she earned her Bachelor of Science degree in Biology with a specialization in Developmental Genetics. She went on to complete both her Medical degree and Master of Public Health degree simultaneously at Nova Southeastern University in Fort Lauderdale, Florida. Following medical school, she completed her Internship and Dermatology Residency at St. John’s Episcopal Hospital, where she served as a Chief Resident in her final year.
In her practice, Dr. Zambrano provides comprehensive care for conditions of the skin, hair, and nails, ranging from common dermatologic concerns to more complex disorders. She is extensively trained in cosmetic dermatology, including the use of neurotoxins, fillers, and lasers. With a strong belief in enhancing her patients’ natural beauty, she takes a thoughtful, minimalistic approach to aesthetics—tailoring treatment plans and skincare regimens to each individual’s unique needs and goals. Her philosophy centers on helping patients look and feel like the very best version of themselves.
Dedicated to forming lasting relationships with her patients, Dr. Zambrano strives to create an approachable and supportive environment where every patient feels truly cared for. She is passionate about educating her patients and empowering them to take part in their treatment journey. Her commitment to dermatology extends beyond the clinic—she stays current with the latest advances in the field to bring safe, effective, and innovative care to her community.
Outside of medicine, Dr. Zambrano enjoys spending time with her husband, their two young children, and their beloved Goldendoodle. She feels privileged to be serving the community where she grew up, and looks forward to providing high-quality dermatologic care to the families of Long Island for years to come.
Dr. Jeffrey Fromowitz MD, FAAD provides a wide variety of dermatology care to Boca Raton, FL area patients. Services include Body Contouring, Laser Treatments, Tattoo Removal, Laser Hair Removal, Skin Cancer treatment, Full Body Exams, Psoriasis treatment, Eczema treatment, Rosacea treatment, and Acne treatment.
Dr. Fromowitz earned his Bachelors of Science in Neuroscience and Behavioral Biology at Emory University. He then went on to attend the University Of Florida College of Medicine, where he graduated first in his class. Dr. Fromowitz completed his internship in Internal Medicine at Shands Hospital. He then completed a residency in dermatology and cutaneous surgery at Shands Hospital as well. In his last year of residency, he served as Chief Dermatology Resident. Dr. Fromowitz is a Diplomate of the American Board of Dermatology and is a Fellow of The American Society for Lasers in Medicine and Surgery, The American Society of Dermatologic Surgery, The American Society of Mohs Micrographic Surgery, and The American Academy of Dermatology. Call anytime to arrange an appointment with Dr. Fromowitz -- he looks forward to meeting new patients.
Jordana Herschthal, M.D., is a board-certified dermatologist, and a diplomate of the American Board of Dermatology. In addition to general dermatology, she is an expert in cosmetic treatments, dermal fillers, laser procedures, dermatologic surgery, and skin cancer management, including Mohs surgery. Dr. Jordana Herschthal joined forces with her father, Dr. David Herschthal, at The Herschthal Practice in Boca Raton, Florida.
Prior to joining the practice, Dr. Herschthal completed her:
BA degree from Brown University in Providence, Rhode Island
Medical degree from the University of Miami’s Miller School of Medicine
Medical internship at Columbia University’s St. Lukes Roosevelt Hospital in Manhattan, New York
Dermatology residency at University of Miami-Jackson Memorial Hospital in Miami (where she earned the Excellence in Dermatologic Surgery Award)
Like her father, Dr. Jordana is passionate about educating the future physicians in her specialty. She’s an associate clinical professor at University of Miami Department of Dermatology and Cutaneous Surgery. Along with her father, Dr. Jordana is privileged to teach at UM/Jackson Memorial Hospital. She has also been published in several medical journals and magazines.
“Dr Jordana is the best
Love her bedside manner and her dedication to her patients
Have been to other dermatologists that don't hold a candle to her skull
She's an artist!!!!
”
Dr. Jordana Herschthal, MD
Dermatologist
7280 W Palmetto Park Road
Suite 210
Boca Raton, FL 33433
Elyse Julian, DO, FAAD, is a prominent double board-certified dermatologist and Mohs surgery expert at Leading Edge Dermatology® in Plantation, Florida. Living up to its name, Leading Edge Dermatology provides the latest and most innovative adult and pediatric skin care treatments with a personalized team-based approach.
Dr. Julian completed medical school at Nova Southeastern University (NSU) in Fort Lauderdale, Florida, where she graduated at the top of her class and earned the titles “student doctor of the year” and “graduate of the year.” After a one-year internship at Broward Health Medical Center in Fort Lauderdale, she finished a three-year dermatology residency in Orlando, Florida.
Today, Dr. Julian continues to contribute to the field of dermatology. She has published over 40 articles and has been involved in clinical research as well as teaching medical students and residents.
She’s a diplomate of the American Board of Dermatology (ABMS) and holds memberships in the American Academy of Dermatology (AAD) and the American Society of Mohs Surgery (ASMS).
At Leading Edge Dermatology®, Dr. Julian pays close attention to every patient’s unique needs and concerns. She specializes in medical treatments within pediatric and adult dermatology, including Mohs surgery for skin cancer, and is an expert in cosmetic treatments, including Botox®, chemical peels, and fillers.
Dr. Julian invites new and returning patients to schedule in-person or telehealth appointments and get a personalized, comprehensive treatment plan for their concerns.
“Dr. Julian was everything you could want in a physician. Extremely knowledgeable, caring, friendly, and answered all questions.
I have no hesitation at all in recommending her, her staff were also very kind and helpful.”
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