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Dr. N Hennessey, MD

Dermatology Age 75
Dr. N Hennessey, MD
4.8 (52 Ratings)

Offers telehealth

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Dr. N Hennessey, MD is a Dermatologist in Wainscott, NY.
Dr. N Hennessey, MD
4.8 (52 Ratings)
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Dr. N Hennessey, MD

Dermatology Age 75
Wainscott, NY
Accepting new patients
48 years of experience

Offers telehealth

Dr. N Hennessey, MD is a Dermatologist in Wainscott, NY.

About

Dr. N Hennessey, MD is a Dermatologist in Wainscott, NY and has 48 years experience. They graduated from Michigan State University College of Human Medicine in 1975 and completed a residency at Harvard University's The Deaconess/Brigham Hospital|New England-Deaconness.They currently practice at Hennessey Dermatology and are affiliated with Stony Brook University Hospital. At present, Dr. Hennessey received an average rating of 4.8/5 from patients and has been reviewed 52 times. Their office accepts new patients and telehealth appointments. Dr. Hennessey also speaks Greek, Romanian and Spanish. Dr. Hennessey is board certified in Dermatology and accepts multiple insurance plans.

Offers Telehealth

This provider offers telehealth appointments. Call the office to schedule.

Explains Conditions Well

Patients said this doctor explains conditions well.

Trustworthy

Patients said this doctor is trustworthy.

Friendly Staff

Patients said the staff was friendly.

Easy Scheduling

Patients said scheduling was easy.

Experience and Background Check

Enter a condition or procedure
Abscess or Fluid Incision and Drainage
Alopecia
Burn Injuries
Abscess or Fluid Incision and Drainage Chevron Icon
Alopecia Chevron Icon
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Burn Injuries Chevron Icon
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Basal Cell Carcinoma Chevron Icon
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Cold Sore Chevron Icon
Contact Dermatitis Chevron Icon
Darier Disease Chevron Icon
Dry Skin Chevron Icon
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Eczema and Contact Dermatitis Chevron Icon
Eczema and Contact Dermatitis Due to Cosmetics Chevron Icon
Herpes Simplex Infection Chevron Icon
Hypertrophic Scar Chevron Icon
Inflamed Seborrheic Keratosis Chevron Icon
Itchy Skin Chevron Icon
Jock Itch Chevron Icon
Lichen Planus Chevron Icon
Lipomas Chevron Icon
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Psoriasis Vulgaris Chevron Icon
Psoriatic Arthritis Chevron Icon
Rash Chevron Icon
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Seborrheic Dermatitis Chevron Icon
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Skin Cancer Chevron Icon
Spider Veins Chevron Icon
Squamous Cell Carcinoma of Skin Chevron Icon
Vasculitis Chevron Icon
Vitiligo Chevron Icon
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Destruction of Benign Skin Lesion Chevron Icon
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Excision of Benign Skin Lesion Chevron Icon
Excision of Skin Lesion Chevron Icon
Excision, Shaving, or Destruction of Skin and Subcutaneous Tissue (incl. Mohs Micrographic Surgery), Tissue Transfer Chevron Icon
Wart Freezing Chevron Icon
Acanthosis Nigricans Chevron Icon
Acne Keloid Chevron Icon
Athlete's Foot Chevron Icon
Atopic Dermatitis (Eczema) Chevron Icon
Benign Tumor Chevron Icon
Bockharts Impetigo Chevron Icon
Boil Chevron Icon
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Candidiasis of Skin and Nails Chevron Icon
Canker Sore Chevron Icon
Carcinoma in Situ of Skin Chevron Icon
Cellulitis Chevron Icon
Chickenpox Chevron Icon
Dermatitis Due to Drugs Chevron Icon
Dermatitis Herpetiformis Chevron Icon
Dyshydrotic Eczema Chevron Icon
Eczema and Contact Dermatitis Due to Metals Chevron Icon
Excessive Sweating Chevron Icon
Folliculitis Chevron Icon
Foot Conditions Chevron Icon
Fungal Infections Chevron Icon
Fungal Nail Infection Chevron Icon
Genital Herpes Chevron Icon
Genital Warts Chevron Icon
Granuloma of Skin Chevron Icon
Hair Loss Chevron Icon
Henoch–Schönlein Purpura (HSP) Chevron Icon
Hidradenitis Chevron Icon
Hives Chevron Icon
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Impetigo Chevron Icon
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Ingrown Nail Chevron Icon
Intertrigo Chevron Icon
Kaposi's Sarcoma Chevron Icon
Keloid Scar Chevron Icon
Leg and Foot Ulcers Chevron Icon
Lice Chevron Icon
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Lichen Simplex Chronicus Chevron Icon
Lyme Disease Chevron Icon
Lymphangioma Chevron Icon
Melanoma Chevron Icon
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Molluscum Contagiosum Infection Chevron Icon
Nail and Nail Bed Infection Chevron Icon
Parapsoriasis Chevron Icon
Pilonidal Cyst Chevron Icon
Pityriasis Alba Chevron Icon
Pityriasis Rosea Chevron Icon
Poison Ivy Chevron Icon
Poison Ivy, Poison Oak, or Poison Sumac Poisoning Chevron Icon
Purpura Chevron Icon
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Second-Degree Burns Chevron Icon
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Telogen Effluvium Chevron Icon
Tinea Versicolor Chevron Icon
Ulcer Chevron Icon
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Varicose Eczema Chevron Icon
Varicose Veins Chevron Icon
Abscess or Cyst Drainage or Aspiration Chevron Icon
Acne Surgery Chevron Icon
Destruction of Penile Lesion Chevron Icon
Excision of Skin Cancer Chevron Icon
Incision and Removal of Foreign Object Chevron Icon
Melanoma Screening Chevron Icon
Mole Evaluation Chevron Icon
Non-Cosmetic Chemodenervation Chevron Icon
Shaving of Skin Lesion Chevron Icon
Background Check
No board actions found for the years we collect data
No disciplinary actions found for the years we collect data
No malpractice claims information was found for the years we collect data
Learn more about background checks

Insurance Accepted

* Please verify this information when scheduling an appointment.
  • Personal Choice PPO
  • Blue Access (Select Network)-NY
  • Blue Cross and Blue Shield
  • Medicare
  • Capital District Physician's Health Plan (CDPHP) HMO
  • HealthyBlue 2.0
  • Emblem Health
  • First Health (Coventry Health Care)
  • GEHA
  • Harvard Pilgrim Health Care PPO
  • Tricare
  • MultiPlan PPO
  • United Healthcare

Locations

  1. 1 Hennessey Dermatology
    386 Montauk Hwy, Wainscott, NY 11975
    Monday
    09:00 - 17:00
    Wednesday
    11:00 - 18:00
    Thursday
    10:00 - 18:00
    Friday
    09:00 - 18:00
    Saturday
    09:00 - 15:00
  2. 2 Hennessey Dermatology
    161 Madison Ave Rm 6SE, New York, NY 10016
    Tuesday
    10:00 - 19:00
    Wednesday
    10:00 - 19:00
    Thursday
    12:00 - 19:00
    Saturday
    08:00 - 15:00
  3. 3 Hennessey Dermatology
    630 5 Ave Ste 1860, Wainscott, NY 11975

Patient Satisfaction

Likelihood to recommend Dr. Hennessey
4.8
Based on 52 Reviews
5 Stars (47)
4 Stars (3)
3 Stars (0)
2 Stars (0)
1 Star (2)

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Patient Reviews
Oct 26, 2021
His thoroughness and bedside manner are unparalleled. Dr. Hennessy places the patient first in all instances. I have been his patient for over thirty years.
— Oct 26, 2021
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Photo: Dr. N Hennessey, MD
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Dr. Hennessey's Office & Staff

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Telehealth Options
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(631) 537-6020

About Me

Care Philosophy
  • Dr. N. Patrick Hennessey is a Dermatologist serving the New York and Wainscott area for more than 40 years. Dr. Hennessey is experienced in Medical Dermatology, Dermatologic Surgery and Cosmetic Dermatology. He is a professional member of the American Academy of Dermatology, the American Medical Association and the Society for Investigative Dermatology.
Care Philosophy
Biography
  • Dr. N Hennessey, MD is a dermatologist in Wainscott, NY and has over 47 years of experience in the medical field. He graduated from Michigan State University College of Human Medicine in 1975. He specializes in Dermatology.
Biography
Languages Spoken
Greek
Romanian
Spanish
Languages Spoken
Specialties
Dermatology
Specialties
Education

Education

Medical Education
  • Michigan State University College of Human Medicine
    1975
Medical Education

Board Certifications

Board Certifications
  • Dermatology
Board Certifications
What’s a board certification and why is it important that my provider has one?

A board certification represents a provider’s dedication to ongoing training in one or more specialties, including the completion of intensive exams. While not all specialties have board certifications, if your provider does have one they’ve taken the extra step to master their specialty and to keep up with the latest advancements in their field.

Internship

Internship
  • Beaumont Hospital - Royal Oak Campus
    1976
Internship

Residency

Residency Hospital
  • Harvard University's The Deaconess/Brigham Hospital|New England-Deaconness
    1977
Residency Hospital

Fellowship

Fellowship Hospital
  • New York University Medical Center|NYU Langone Medical Center
    1980
Fellowship Hospital
Common Questions and Answers
Responses are sourced directly from patients.
Does Dr. Hennessey communicate via email?
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Yes
(0)
No
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Does Dr. Hennessey offer telehealth services or virtual visits?
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Yes
(0)
No
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Does Dr. Hennessey offer an online patient portal?
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Yes
(0)
No
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Does Dr. Hennessey have free onsite parking?
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No
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Does Dr. Hennessey offer weekend visits?
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Yes
(0)
No
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Does Dr. Hennessey offer evening visits?
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(0)
No
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Does Dr. Hennessey specialize in working with children or adolescents?
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Does Dr. Hennessey specialize in working with seniors?
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(0)
No
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Does Dr. Hennessey specialize in couples therapy?
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(0)
No
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Does Dr. Hennessey specialize in working with LGBTQ+ community?
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Does Dr. Hennessey accept insurance?
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Frequently Asked Questions

Find contact information here to make an appointment.

A list of accepted insurance providers is available on the Sharecare insurance check. It is always a good idea to verify your insurance when making an appointment.

New patients are generally accepted by Dr. N Hennessey, MD. To arrange an appointment, call the number on Dr. Hennessey's profile.

Dr. N Hennessey, MD is affiliated with Stony Brook University Hospital.

Yes, Dr. N Hennessey, MD holds board certification in Dermatology.

Hospital Affiliations

  • Stony Brook University Hospital

    101 NICOLLS ROAD, Stony Brook, NY