Summary

Dr. William Nealon is a surgeon who specializes in gastroenterology and other surgical areas. He earned his medical degree from Sidney Kimmel Medical College at Thomas Jefferson University and brings 47 years of experience to his practice. His extensive background in surgery allows him to provide comprehensive care for complex digestive system conditions.

Dr. Nealon practices at Northwell Health Hospital and Katz Women's Hospital at North Shore University Hospital, with locations in New Hyde Park and Manhasset, New York. He focuses on treating serious conditions including pancreatic cancer, pancreatitis, and abdominal pain. His expertise includes performing specialized imaging procedures such as MRI scans of the abdomen and MR enterograms to help diagnose digestive disorders. Patients rate him 4.2 out of 5 stars on average.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.2
  • 47 years of experience
  • Sidney Kimmel Medical College At Thomas Jefferson University
  • 3 written reviews
  • 3 specialties
  • 10 areas of expertise
  • 3 board certifications
  • 2 hospital affiliations
  • 2 office locations
  • Male

Patients’ Perspective

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

Office Locations

Dr. William H Nealon has 2 locations

Northwell Health Physician Partners Surgical Oncology At Lake Success

450 Lakeville RdNew Hyde Park, NY 11042
Mon9:00 am - 9:00 pm
Tue9:00 am - 8:00 pm
Wed9:00 am - 9:00 pm
Thu9:00 am - 9:00 pm
Fri8:00 am - 4:00 pm
SatClosed
SunClosed

NSUH - Dept of Surgery

300 Community DrManhasset, NY 11030

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Dr. William H Nealon, MD
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Dr. William H Nealon, MDDr. Javier O Mejia, MDDr. Placido A MenezesDr. Rohit Chandwani
SurgerySurgerySurgerySurgery
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.2 
4.5 
4.3 
47 Years of Experience 7 Years of Experience 57 Years of Experience 21 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English
New Hyde Park , NYNew York , NYBrooklyn , NYNew York , NY
Med School: Sidney Kimmel Medical College At Thomas Jefferson University Med School: Icahn School Of Medicine At Mount Sinai Med School: University of Bombay (India) Med School: YALE UNIVERSITY SCHOOL OF MEDICINE
Current Profile
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Insurance Plans Accepted by Dr. William H Nealon

  • Accepts Medicare
  • Accepts Medicaid

Medical Specialties

Dr. William H Nealon has the following 3 specialties

Specialty Expertise

Dr. William H Nealon has the following 10 areas of expertise

  • Galbladder Removal (Cholecystectomy)
  • Gallstones (Cholelithiasis)
  • Gastroenterology
  • Glandular Cancer (Adenocarcinoma)
  • Laparoscopic Gallbladder Surgery (Cholecystectomy)
  • Laparoscopic Surgery (Laparoscopy)
  • Other
  • Pancreatectomy (Pancreas Removal)
  • Pancreatic Cancer
  • Pancreatic Cyst

Certifications, License, & Education

47 Years Experience

Dr. William H Nealon holds an expired medical license in the state of New York.

Medical License

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

Education & Training

Medical School

Graduated from Sidney Kimmel Medical College At Thomas Jefferson University in 1979.

NPI Number

Dr. Nealon's NPI number is 1871605121.

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Frequently Asked Questions

Is Dr. William Nealon accepting new patients?
Dr. William Nealon is accepting new patients on Vitals. View Dr. William Nealon's profile on Vitals to make an appointment.
Does Dr. William Nealon accept my insurance?
You can see the insurance plans that Dr. William Nealon accepts on their Vitals profile.
How can I make an appointment with Dr. William Nealon?
You can find contact information for Dr. William Nealon here on Vitals.
Which hospitals is Dr. William Nealon affiliated with?
Dr. William Nealon is affiliated with NORTHWELL HEALTH HOSPITAL and KATZ WOMENS HOSPITAL AT NORTH SHORE UNIVERSITY HOSPITAL.
Does Dr. William Nealon accept virtual/telehealth appointments?
Dr. William Nealon has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.

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