Expertise in
1
conditions

Dr. James C. Nielsen

Pediatric Cardiology
New York University
150 E 32nd St Fl 2, 
New York, NY 
Accepting New Patients
Referral may be required
Before you request
Expertise in
1
conditions
New York University
150 E 32nd St Fl 2, 
New York, NY 

Overview

James Nielsen is a Pediatric Cardiologist practicing medicine in New York, New York.

Dr. Nielsen is highly rated in 1 condition, according to our data. His clinical expertise encompasses Myocarditis, Transposition of the Great Arteries, Tetralogy of Fallot, and Congenital Heart Disease (CHD).

He is actively involved in clinical research, co-authoring 31 peer reviewed articles. Dr. Nielsen is currently accepting new patients.

Specialties

Pediatric Cardiology

Licenses

Pediatrics in NY

Languages Spoken

English

Gender

Male

Insurance

Accepted insurance can change. Please verify directly with the provider.

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Accepted insurance plans:

Health First
  • HMO
  • POS
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Medicaid
  • OTHER MEDICAID
  • STATE MEDICAID
MetroPlus Health
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE-MEDICAID PLAN

Locations

New York University
150 E 32nd St Fl 2, New York, NY 10016
Other Locations
Office
4 Technology Dr Ste 250, East Setauket, NY 11733

Additional Areas of Focus

Dr. Nielsen has provided the following conditions as areas of focus. Please note that we may not have enough data to validate their experience in some of these conditions.

Neurofibromatosis Type 1 (NF1)

Clinical Research

Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.

31 Total Publications

Pharmacokinetics and Safety of a Novel Clofazimine Formulation and Dosing Strategy in Children With Rifampicin-resistant Tuberculosis.
Pharmacokinetics and Safety of a Novel Clofazimine Formulation and Dosing Strategy in Children With Rifampicin-resistant Tuberculosis.
Journal: The Journal of infectious diseases
Published: March 20, 2026
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Frequently Asked Questions about Dr. James C. Nielsen

How do I make an appointment with Dr. James C. Nielsen?

You can book an appointment with Dr. James C. Nielsen by calling their office at 212-263-5940. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.

Is Dr. James C. Nielsen a top-rated expert for Myocarditis?

MediFind is an objective health platform that identifies experts based on real-world data. Dr. James C. Nielsen is classified as an Advanced expert for Myocarditis, meaning they are among the top experts in the country for this condition. This ranking is based on their volume of patients, published research, and peer connections.

What conditions does Dr. James C. Nielsen specialize in?

While Dr. James C. Nielsen is a Pediatric Cardiology, they have specific expertise in Myocarditis, Transposition of the Great Arteries, and Tetralogy of Fallot. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Pediatric Cardiology.

Does Dr. James C. Nielsen participate in research or clinical trials?

Yes. Dr. James C. Nielsen has published 31 articles and abstracts on conditions like Myocarditis. You can view a list of Dr. James C. Nielsen's latest peer-reviewed publications and clinical trial participation on their profile to see if they are active in new treatments.

Does Dr. James C. Nielsen accept my insurance?

Dr. James C. Nielsen accepts most major insurance plans, including Health First and Humana. We recommend calling the office directly at 212-263-5940 to verify that your specific plan is currently accepted before your visit.

Areas of Expertise

MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.

Learn more about MediFind’s expert tiers

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