Skip to main content
John Gregg, DO, Family Medicine, Midland Park, NJ

JohnAnthonyGreggDO

Family Medicine • Midland Park, NJ

Geriatric Medicine

Medical Director

Join to view full profile

Dr. Gregg is on Doximity

As a Doximity member you'll join over two million verified healthcare professionals in a private, secure network.

  • Connect with other colleagues in the same hospital or clinic
  • Search all U.S. specialist profiles and refer a patient
  • Read the latest clinical news and earn CME/CEU credits

See Dr. Gregg's full profile

Already have an account?

Education & Training

  • Icahn School of Medicine at Mount Sinai/Mount Sinai Hospital
    Icahn School of Medicine at Mount Sinai/Mount Sinai HospitalResidency, Family Medicine, 2004 - 2007
  • Nova Southeastern University College of Osteopathic Medicine
    Nova Southeastern University College of Osteopathic MedicineClass of 2003
  • Other
    OtherClass of 2003

Certifications & Licensure

  • SC State Medical License
    SC State License 2011 - 2025
  • NJ State Medical License
    NJ State License 2005 - 2025
  • NY State Medical License
    NY State License 2020 - 2023
  • FL State Medical License
    FL State License 2013 - 2016
  • American Board of Family Medicine Family Medicine

Dr. John Gregg, Dr. John Gregg, DO, Dr. J Gregg, Dr. John Anthony Gregg