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Dr. David Gagnon, MD

Dr. David Gagnon, MD

Age 68 Family Medicine M
(4) 4 reviews

Telehealth available

Accepting New Patients


Dr. David Gagnon, MD is a family medicine specialist in Portsmouth, NH. Dr. Gagnon completed a residency at U Mass Co-Ord Prog 2. He currently practices at Families First Health Center and is affiliated with Wentworth-douglass Hospital. He accepts multiple insurance plans. Dr. Gagnon is board certified in Family Practice.


  • U Mass Co-Ord Prog 2, Residency Hospital — 1983
  • Madigan Army Medical Center, Residency Hospital — 1978
  • Brown University Medical School, Medical School — 1977

Insurance Accepted

  • Anthem
  • Blue Cross Blue Shield
  • CareFirst Blue Cross Blue Shield
  • Cigna
  • First Health (Coventry Health Care)
  • Harvard Pilgrim Health Care
  • MultiPlan
  • Tufts Health Plan

* Please verify this information when scheduling an appointment.


  1. Families First Health Center

    1. 1
      100 Campus Dr Ste 12, Portsmouth, NH 03801 Existing Patients: (603) 422-8208

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Dr. David Gagnon, MD
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Frequently Asked Questions

Dr. Gagnon frequently treats Anemia and Iron Deficiency Screening, Diabetes Screening, and Lyme Disease Evaluation.  

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Hospital Affiliations

  • Wentworth-douglass Hospital