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Dr. James Nielsen, MD

Dr. James Nielsen, MD

Age 55 Pediatric Cardiology M
(2) 2 reviews

Telehealth available

Accepting New Patients


Dr. James Nielsen, MD is a Pediatric Cardiology Specialist in New York, NY. Dr. Nielsen completed a residency at Tulane Sch Med. They currently practice at Fink Ambulatory Center and are affiliated with NYU Langone Health Tisch Hospital and NYU Langone Hospital—Long Island. Dr. Nielsen accepts multiple insurance plans.


  • Mount Sinai Hospital|Boston Chldrns Hosp, Fellowship Hospital — 2002
  • Tulane Sch Med, Residency Hospital — 1999
  • Boston Chldrns Hosp, Fellowship Hospital — 1999
  • Mount Sinai Hospital, Fellowship Hospital — 1999

Insurance Accepted

  • Aetna
  • Amerihealth
  • Anthem
  • Blue Cross Blue Shield
  • CareFirst Blue Cross Blue Shield
  • Cigna
  • Harvard Pilgrim Health Care
  • Humana
  • MultiPlan

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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. James Nielsen, MD. To arrange an appointment, call the number on Dr. Nielsen's profile.

Dr. Nielsen frequently treats the following conditions: Septal Defect, Congenital Heart Disease and Ventricular Septal Defect. See more on Sharecare.

Dr. James Nielsen, MD is affiliated with NYU Langone Health Tisch Hospital and NYU Langone Hospital—Long Island.

Hospital Affiliations

  • NYU Langone Health Tisch Hospital
  • NYU Langone Hospital—Long Island


  1. Fink Ambulatory Center

    1. 1
      NYU Langone Fink Ambulatory Care Center
      150 E 32nd St Fl 2, New York, NY 10016 (212) 263-5940
  1. NYU Langone Children's Ambulatory Care Center - Mineola

    1. 2
      Perlmutter Cancer Center at NYU Langone Hematology Oncology Associates--Mineola
      120 Mineola Blvd Ste 320, Mineola, NY 11501 (516) 663-4600
  1. NYU Langone Pediatric Cardiology

    1. 3
      NYU Langone Pediatric Cardiology
      424 E 34th St, New York, NY 10016 (212) 263-5940
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(212) 263-5940