Chester Office: (908) 879-8800 Hackettstown Office: (908) 452-5917


Dr. Geller is a Board-Certified Dermatologist in NJ and a Board-Certified Dermatopathologist. He is a Fellow of The American Academy of Dermatology, The American Society of Dermatopathology, and the American Society of Dermatologic Surgery. Certification is only given to those who display that they have achieved the required medical competence plus the high level of care and dedication needed to lead in this specialty. To Dr. Geller’s knowledge, he has been the only board-certified Dermatopathologist in northwestern New Jersey since 1993.

After growing up in Morristown, NJ, Dr. Geller served Dermatopathology Fellowships at New York University and at the Mayo Clinic in Rochester, Minnesota, after graduating from Dartmouth College and Dartmouth Medical School. He has expertise in all areas of skin disease and skin pathology and specializes in diagnosis and treatment of cancerous and precancerous lesions of the skin including basal cell carcinoma, squamous cell carcinoma, malignant melanoma, atypical (dysplastic) moles, actinic (solar) keratoses, and cutaneous T cell lymphoma (mycosis fungoides).

Dr. Geller diagnoses biopsy slides prepared in the practice’s advanced histopathology laboratory. Two years of his training, at New York University and the Mayo Clinic, were dedicated exclusively to skin pathology and diagnosing a large number of rare conditions. He has made dozens of professional presentations and has publications in Dermatology and Dermatopathology. As a top Dermatologist in NJ, listed as such in the Consumers’ Research Council of America’s Guide to America’s Top Dermatologists, Dr. Geller has always excelled in his field.
He heads a team as dedicated to the practice’s patients and medical excellence as he is. Dr. Geller and The Dermatology Specialists are always ready to go that extra step to setting patients at ease.



High School: Morristown High School Morristown, NJ. Graduated 1st in Class of 500


Specialized/Fellowship Training:

Mayo Clinic Rochester, Minnesota. Fellowship in Dermatopathology.

New York University Fellowship in Dermatopathology.


Residency Training: Wayne State University MI

Chief Resident in Dermatology Third Year of Residency.

Resident in Dermatology Two years.

Dermatology Mock Board Examination: Scored between 93% and 99% in nationwide examinations in Dermatology and Dermatopathology in consecutive years as a Dermatology Resident.

InternshipInternal Medicine. Lenox Hill Hospital New York, NY


Dr. Geller is listed in Consumers’ Research Council of America’s Guide of America’s Top Dermatologists.


Hospital Affiliations:

Hackettstown Regional Medical Center | Somerset Medical Center | Morristown Memorial Hospital Medical Staff 1992-2009.

Dr. Geller has made dozens of professional presentations and has publications in areas of both Dermatology and Dermatopathology.

Other Memberships/Affiliations:

American Medical Association | Medical Society of New Jersey | Morris County Medical Society | Dermatological Society of New Jersey


(1)From the American Academy of Dermatology website: “The American Academy of Dermatology is the largest and most influential of all dermatologic associations. With a membership of over 15,000, it represents virtually all practicing dermatologists in the United States and Canada.” “A Fellow of the American Academy of Dermatology is certified by the American Board of Dermatology or the Royal College of Physicians and Surgeons of Canada. Certification is an indication that the specialist has completed an approved medical education program and an evaluation, including an examination designed to assess the knowledge, experience and skills necessary to provide high quality care in that specialty at the time the certificate is awarded.”