Summary

With 51 years in dermatology, N. Hennessey treats skin changes during pregnancy, seborrheic keratosis, and acne vulgaris, and performs skin lesion treatment or removal, cryotherapy for skin lesions, and laser therapy for skin lesions. They are affiliated with NYU Tisch Hospital and NYU Langone Orthopedic Hospital.

They completed their residency at Deaconess Hospital and graduated from Michigan State University College of Human Medicine. They see patients in Wainscott and New York, NY.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.3
  • 51 years of experience
  • speaks English
  • Deaconess Hospital
  • 26 written reviews
  • 1 specialty
  • 12 areas of expertise
  • 2 hospital affiliations
  • 5 office locations

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. N. Hennessey has 5 locations

Hennessey Dermatology Llc

386 Montauk HwyWainscott, NY 11975
Mon9:00 am - 2:00 pm
TueClosed
WedClosed
Thu1:00 pm - 6:00 pm
Fri9:00 am - 6:00 pm
Sat9:00 am - 4:00 pm
SunClosed

Hennessey Dermatology

161 Madison AveNew York, NY 10016

Hennessey Dermatology

161 Madison Ave Rm 6seNew York, NY 10016
MonClosed
Tue9:00 am - 7:00 pm
Wed9:00 am - 7:00 pm
Thu9:00 am - 7:00 pm
FriClosed
SatClosed
SunClosed

Nyu Tisch Hospital

550 1st AveNew York, NY 10016

Hennessey Dermatology Llc

161 Madison Ave Rm 6seNew York, NY 10016
MonClosed
Tue9:00 am - 7:00 pm
Wed9:00 am - 7:00 pm
Thu9:00 am - 7:00 pm
FriClosed
Sat8:00 am - 5:00 pm
SunClosed

Compare with Similar Doctors

Dr. N. Hennessey
Dr. Alina G Bridges, MD, FAAD
Dr. Sejal K. Shah, MD
Brianna E Scotti
Dr. N. HennesseyDr. Alina G Bridges, MD, FAADDr. Sejal K. Shah, MDBrianna E Scotti
DermatologyDermatologyDermatologyDermatology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.3 
4.8 
51 Years of Experience 28 Years of Experience 21 Years of Experience 10 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English Speaks English Speaks English Speaks Spanish, English
Wainscott , NYNew Hyde Park , NYNew York , NYCommack , NY
Med School: Michigan State University College Of Human Medicine Med School: University of Medicine and Dentistry of NJ- School of Osteopathic Medicine Med School: Icahn School Of Medicine At Mount Sinai Med School: Stony Brook Medicine
Current Profile
View Profile View Profile View Profile

Insurance Plans Accepted by Dr. N. Hennessey

  • Accepts Medicare

Medical Specialties

Dr. N. Hennessey has the following specialty

Specialty Expertise

Dr. N. Hennessey has the following 12 areas of expertise

  • Acne (Acne Vulgaris)
  • Actinic Keratosis
  • Basal Cell
  • Excision
  • Melanoma
  • Mole
  • Psoriasis
  • Rash
  • Rosacea
  • Skin Biopsy
  • Skin Cancer
  • Warts

Certifications, License, & Education

51 Years Experience

Dr. N. Hennessey holds an active medical license in the state of New York.

Medical License

Medical Doctor with an active medical license in the state of New York that expires in 2026.

Education & Training

Residency

Completed their residency at Deaconess Hospital.

Medical School

Graduated from Michigan State University College Of Human Medicine in 1975.

NPI Number

Dr. Hennessey's NPI number is 1285694661.

Similar Doctors

Frequently Asked Questions

Which hospitals is Dr. N. Hennessey affiliated with?
Dr. N. Hennessey is affiliated with Nyu Tisch Hospital and Nyu Langone Orthopedic Hospital.
Does Dr. N. Hennessey accept my insurance?
You can see the insurance plans that Dr. N. Hennessey accepts on their Vitals profile.
How can I make an appointment with Dr. N. Hennessey?
You can find contact information for Dr. N. Hennessey here on Vitals.
Does Dr. N. Hennessey accept virtual/telehealth appointments?
Dr. N. Hennessey has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Where is Dr. N. Hennessey's office located?
Dr. N. Hennessey's office is located at 386 Montauk Hwy, Wainscott, NY, 11975.

Ensuring Data Transparency and Trust: A Guide to Vitals Doctor Listings and Reviews

Our provider data is gathered directly from physicians and publicly available databases. Providers who verify their profiles gain the ability to update information, offering additional details about their specialties,education, treated conditions, performed procedures, and accepted insurances.

Reviews on Vitals are submitted by users only. Recognizing the valuable insights these reviews offer into a doctor's reputation, we maintain internal policies and protocols to ensure the quality and accuracy of all reviews. Importantly, providers cannot delete or alter reviews independently. Reviews can only be deleted or changed following an internal assessment by our customer service team.

Your feedback is highly valued and we encourage you to contact our support team should you encounter any issues.