N. P. Hennessey, MD

  • Specialty: Dermatology
  • Language: English
  • Phone: 212-677-5555

About Me

Conditions and Treatments

acne, eczema, skin cancer screening, skin cancer, skin diseases, wart, seborrheic dermatitis, kaposi sarcoma


  • Clinical Associate Professor, Department of Ronald O. Perelman Department of Dermatology
Board Certifications
  • American Board of Dermatology - Dermatology, 1986
Education and Training
  • Fellowship, NYU Medical Center, Malignant Melanoma Fellow, 1980
  • Residency, NYU Medical Center, Dermatology, 1980
  • Residency, New England Deaconess Hospital, Internal Medicine, 1977
  • MD from Michigan State University, 1975

Locations and Appointments

56 Insurance Plans Accepted
  • Aetna HMO
  • Aetna Indemnity
  • Aetna Medicare
  • Aetna POS
  • Aetna PPO/EPO
  • Cigna EPO/POS
  • Cigna PPO
  • Empire Blue Cross Blue Shield EPO
  • Empire Blue Cross Blue Shield HMO
  • Empire Blue Cross Blue Shield Indemnity
  • Empire Blue Cross Blue Shield MediBlue
  • Empire Blue Cross Blue Shield POS
  • Empire Blue Cross Blue Shield PPO
  • Empire Blue Cross Blue Shield Pathways, Enhanced
  • Fidelis Child Health
  • Fidelis Exchange
  • Fidelis Family Health
  • Fidelis Medicaid
  • Fidelis Medicare
  • HIP Access I
  • HIP Access II
  • HIP Child Health
  • HIP Medicare
  • Humana Medicare
  • Local 1199 PPO
  • MagnaCare PPO
  • MetroPlus Child Health
  • MetroPlus Exchange Plans
  • MetroPlus Family Health
  • MetroPlus Medicaid
  • MetroPlus Medicare
  • MultiPlan/PHCS PPO
  • NYS Empire Plan
  • Oscar
  • Oxford Exchange
  • Oxford Freedom
  • Oxford Liberty
  • Oxford Medicare
  • Touchstone Medicare
  • UPN Elite
  • UnitedHealthcare Community & State Plan
  • UnitedHealthcare EPO
  • UnitedHealthcare HMO
  • UnitedHealthcare Medicare
  • UnitedHealthcare POS
  • UnitedHealthcare PPO
  • UnitedHealthcare Top Tier
  • WellCare Child Health
  • WellCare Family Health
  • WellCare Medicaid
  • WellCare Medicare
  • Wellcare Exchange
*Insurance listed above may not be accepted at all office locations. Please confirm prior to each visit. The information presented here may not be complete or may have been changed.
Hennessey Dermatology, LLC

117 East 18th Street
New York, NY 10003


Phone: 212-677-5555

Hennessey Dermatology, LLC

386 Montauk Hwy Box 1118
Wainscott, NY 11975


Phone: 631-537-6020

Welcome back!

As a returning patient for this doctor, please schedule an appointment using your MyChart at NYU Langone account.

Learn more about MyChart at NYU Langone.


  • Cutaneous Pneumocystis carinii infection in patients with acquired immunodeficiency syndrome

    Hennessey NP; Parro EL; Cockerell CJ
    Archives of dermatology (1960). 1991 Nov. 127 (11): 1699-1701

  • Erythroderma as the initial presentation of the acquired immunodeficiency syndrome

    Janniger CK; Gascon P; Schwartz RA; Hennessey NP; Lambert WC
    Dermatologica. 1991. 183 (2): 143-145

  • Herpes zoster: a possible early clinical sign for development of acquired immunodeficiency syndrome in high-risk individuals

    Friedman-Kien AE; Lafleur FL; Gendler E; Hennessey NP; Montagna R; Halbert S; Rubinstein P; Krasinski K; Zang E; Poiesz B
    Journal of the American Academy of Dermatology. 1986 Jun. 14 (6): 1023-1028

Read All Publications (6)