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About Our Team

Heymann, Manders, Green, & Sommer is one of the region’s premier dermatology and dermatological surgery practices. Our board-certified doctors are widely recognized not only for providing exceptional patient care but also for their scholastic contributions.

Warren R. Heymann, MD

Dr. Heymann completed medical school at Albert Einstein College of Medicine. He then went on to complete his internship at Bellevue – NYU Medical Center, his residency in dermatology at Albert Einstein College of Medicine, and his fellowship in dermatopathology at the University of Pennsylvania. He is board-certified by the American Board of Dermatology and is a member of the American Academy of Dermatology, the Society of Pediatric Dermatology, and the American Society of Dermatopathology.

Steven M. Manders, MD

After completing his medical schooling at Rutgers Robert Wood Johnson Medical School, Dr. Manders went on to finish his internship at Robert Wood Johnson University Hospital and his residency in dermatology at the University of Cincinnati Medical Center. He is board-certified in dermatology by the American Board of Dermatology, and also in pediatric dermatology. His memberships include the American Academy of Dermatology and the Society of Pediatric Dermatology.

Justin J. Green, MD

Dr. Green completed his joint 7-year B.A./M.D. program at Rutgers University and UMDNJ Robert Wood Johnson Medical School. He then completed his residency at UMDNJ-Robert Wood Johnson Medical School at Camden/Cooper Hospital, University Medical Center Dermatology, and his internship at Christiana Care Health System. He is board-certified by the American Board of Dermatology, and is also a member of the American Academy of Dermatology and the Society of Pediatric Dermatology.

Lacy L. Sommer, MD

Dr. Sommer attended medical school at Temple University School of Medicine, after which she completed her internship at Temple University Hospital and her residency in dermatology at Cooper University Hospital. She is board-certified by the American Board of Dermatology. She is also a member of a number of professional societies, including the American Academy of Dermatology, the American Society of Dermatologic Surgery, the Philadelphia Dermatologic Society, and is a Diplomat on the American Board of Dermatology.

Camille E. Introcaso, MD

After completing medical school at the University of Pennsylvania School of Medicine, Dr. Introcaso completed her internship at the Department of Internal Medicine and fellowship in Cutaneous Oncology: Department of Dermatology at the Hospital of the University of Pennsylvania, where she completed her residency and chief residency as well. She is board-certified by the American Board of Dermatology to provide her patients with the best care possible.

Collectively, our team of highly skilled doctors:

  • Have earned board certifications in dermatology, pediatric dermatology, and dermatopathology.
  • Consistently receive “Top Doctor” awards and peer recognition.
  • Have produced and contributed to hundreds of peer-reviewed journals and book chapters.
  • Have presented to or lectured thousands of medical professionals worldwide.
  • Have improved the lives of thousands of satisfied patients.

All HMG doctors also teach at Cooper Medical School of Rowan University’s prestigious Dermatology Residency Program – the only program of its kind in South Jersey.

Board Certification

The American Board of Dermatology’s mission is to assure safe, high-quality dermatologic care for the public by setting, promoting, and assuring standards of excellence for practitioners.  Certification by the Board is the public’s assurance that the certified individual has met those standards by not only graduating from medical school but also completing a rigorous accredited dermatology residency and passing the Board’s comprehensive examination.

About Physician Assistants

To become physician assistants, candidates must enroll in accredited advanced educational programs that include both didactic and clinical training. Before they can practice medicine, those who successfully complete their programs must secure physician assistant certification (PA-C) by passing a comprehensive exam testing their medical and surgical knowledge. When recruiting a physician assistant, our doctors consider only the strongest of candidates whose training included a focus on dermatology. Once onboard, physician assistants are guided through an intensive in-house training program, working side-by-side with the doctors until they demonstrate a readiness to meet HMG’s high standards for care.

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