Skip to main content
John Ryan, MD, Pediatrics, Portsmouth, NH

JohnPatrickRyanMD

Pediatrics Portsmouth, NH

Physician

Dr. Ryan is on Doximity

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

  • Gain access to free telehealth tools, such as our “call shielding” and one-way patient texting.
  • Connect with colleagues in the same hospital or clinic.
  • Read the latest clinical news, personalized to your specialty.

See Dr. Ryan's full profile

Already have an account?

  • Office

    330 Borthwick Ave
    Ste 101
    Portsmouth, NH 03801
    Phone+1 603-436-7171
    Fax+1 508-334-1977

Education & Training

  • Columbia University Vagelos College of Physicians and Surgeons
    Columbia University Vagelos College of Physicians and SurgeonsClass of 2016

Certifications & Licensure

  • NH State Medical License
    NH State Medical License 2021 - 2025
  • MA State Medical License
    MA State Medical License 2016 - 2022
  • American Board of Pediatrics Pediatrics