Patient Reviews

Reviews reflect patients' level of satisfaction with the care they received from this provider. Dr. N Hennessey xhas an overall rating of 4.0.


Dr. N Hennessey, MD is a Doctor primarily located in New York, NY, with another office in Brooklyn, NY. He has 42 years of experience. His specialties include Dermatology. Dr. Hennessey is affiliated with New York University School of Medicine, Nyu Hospital For Joint Diseases and Bellevue Hospital Center. He speaks English.


Patients rate and review their physicians based on criteria of care including bedside manner, doctor-patient face time, and degree of follow-up. Patients also provide their doctor with an overall ratings. Vitals analyzes these ratings annually, along with other quality measures, to identify and award the top physicians.


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Specialties & Expertise

Dr. N Hennessey has the following 13 areas of expertise, 1 specialty and 1 board certification.


A dermatologist is a doctor who has extensive training and knowledge of the skin, scalp, hair and nails and treats conditions that affect those areas. These doctors will evaluate any abnormality, blemish or lesion on the skin in order to determine the cause and will determine a course of treatment.
Dermatologists provide patients with full body scans in order to identify any signs that are indicative of an illness that requires treatment, such as skin cancer. These specialists may also provide cosmetic services, such as mole removal, scar diminishing treatments and even botox and face lifts.


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Board Certification

See the board certifications this doctor has received. Board certifications provide confidence that this doctor meets the nationally recognized standards for education, knowledge and experience.

Locations & Directions

Hennessey Dermatology LLC

117 E 18th St
New York, NY 10003

Downstate Dermatology Associates

142 Joralemon St
Brooklyn, NY 11201

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