Summary

Dr. Horwitz joined the practice in 1975. He graduated from the University of Cape Town Medical School and did his residency in Pediatrics at the Long Island Jewish Hospital, New York, followed by a Fellowship in Adolescent Medicine. He is Board Certified by The American Board of Pediatrics and is a Fellow of the American Academy of Pediatrics. Dr. Horwitz is an Assistant Clinical Professor of Pediatrics at Cornell University and recently retired after 25 years as a Pediatric Consultant to New York City’s Administration for Children’s Services. He is also a Pediatric Attending at the North Shore-LIJ Health System. In his spare time, he is a silversmith and silver jeweler who has been exhibited in galleries in SOHO, South Africa and Australia. He is also a joyful baby sitter to two very active grandchildren.

Quick Facts

  • 4.5
  • 56 years of experience
  • Li Jewish Medical Center
  • 2 written reviews
  • 2 specialties
  • 6 areas of expertise
  • 2 board certifications
  • 2 hospital affiliations
  • 1 office location
  • Male

Patients’ Perspective

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

Office Location

Northwell Health Hospital

300 Community DrManhasset, NY 11030

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Dr. Jonathan Horwitz, MD
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Dr. Jonathan Horwitz, MDDr. Andrew Mutnick, MDDr. Michelle KraskinDr. Marie A Brunelli, MD
PediatricsPediatricsPediatricsPediatrics
Accepts New Patients Accepts New Patients
4.5 
56 Years of Experience 26 Years of Experience 12 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available No Virtual Visit Option
Speaks English
Manhasset , NYNew York , NYNew York , NYBrooklyn , NY
Med School: University Of Cape Town Faculty Of Health Sciences Med School: New York Medical College Med School: St Georges University School Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Jonathan Horwitz

Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.

Medical Specialties

Dr. Jonathan Horwitz has the following 2 specialties

Specialty Expertise

Dr. Jonathan Horwitz has the following 6 areas of expertise

  • Adolescent Medicine
  • Check-up
  • Immunization
  • Pediatric Diabetes
  • Physical
  • Vaccination

Certifications, License, & Education

56 Years Experience

Dr. Jonathan Horwitz 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

Residency

Completed their residency at Li Jewish Medical Center.

Medical School

Graduated from University Of Cape Town Faculty Of Health Sciences in 1970.

NPI Number

Dr. Horwitz's NPI number is 1114024767.

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Frequently Asked Questions

Does Dr. Jonathan Horwitz accept virtual/telehealth appointments?
Dr. Jonathan Horwitz has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Where is Dr. Jonathan Horwitz's office located?
Dr. Jonathan Horwitz's office is located at 300 Community Dr, Manhasset, NY, 11030.
Does Dr. Jonathan Horwitz accept my insurance?
You can see the insurance plans that Dr. Jonathan Horwitz accepts on their Vitals profile.
Is Dr. Jonathan Horwitz accepting new patients?
Dr. Jonathan Horwitz has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Which hospitals is Dr. Jonathan Horwitz affiliated with?
Dr. Jonathan Horwitz is affiliated with Long Island Jewish Medical Center and NORTHWELL HEALTH HOSPITAL.

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