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Dr. John Carr, MD

Dr. John Carr, MD

Age 51 Cardiology M
Star rating icon (3) 3 reviews
Accepting New Patients


Dr. John Carr, MD is a cardiology specialist in Ayer, MA. Dr. Carr completed a residency at Boston Med Center. He currently practices at Nashoba Cardiology and is affiliated with Nashoba Valley Medical Center. He accepts multiple insurance plans. Dr. Carr is board certified in Cardiovascular Disease.


  • Boston Med Center, Fellowship Hospital
  • Boston Med Center, Residency Hospital
  • Boston Med Center, Internship Hospital
  • Yale University, Medical School — 1999
  • Yale University School Of Medicine, Medical School — 1999

Insurance Accepted

  • Aetna
  • Bakery & Confectionary Union Plan
  • Blue Cross Blue Shield
  • Cigna
  • CoreSource
  • Coventry Health Care
  • Fallon Community Health Plan
  • Harvard Pilgrim Health Care
  • Humana
  • Mail Handlers Benefit Plan (MHBP)
  • Network Health
  • Tufts Health Plan
  • UnitedHealthCare

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Dr. John Carr, MD
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Frequently Asked Questions

Dr. Carr frequently treats Cardiovascular Stress Test, Hypotension, and Heart Disease.  

Find contact information here to make an appointment.

Hospital Affiliations

  • Nashoba Valley Medical Center


  1. Nashoba Cardiology

    1. 1
      Nashoba Cardiology
      190 Groton Rd Ste 170, Ayer, MA 01432 (978) 784-9425