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Dr. Walter Jo, MD

Dr. Walter Jo, MD

Age 53 Cardiology M
(10) 10 reviews

Telehealth available

Accepting New Patients


Dr. Walter Jo, MD is a cardiology specialist in North Chelmsford, MA. Dr. Jo completed a residency at University of Chicago. He currently practices at Merrimack Valley Cardiology Associates, LLC and is affiliated with Lowell General Hospital. He accepts multiple insurance plans. Dr. Jo is board certified in Internal Medicine.


  • Boston University Medical Center, Fellowship Hospital — 1999
  • University of Chicago, Residency Hospital — 1996
  • University of Chicago, Internship Hospital — 1994

Insurance Accepted

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

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Hindi, Italian, Spanish


  1. Merrimack Valley Cardiology Associates, LLC

    1. 1
      Merrimack Valley Cardiology Associates, LLC
      14 Research Pl Ste 3, North Chelmsford, MA 01863 Existing Patients: (978) 256-6607

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If I could give Dr. Jo more than 5 stars I would. He was kind, compassionate and explained everything thoroughly. I left his office feeling very confident that I was in good hands. I would definitely recommend Dr. Jo, he is a rare find!
Sharon Hollis — Feb 01, 2020
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Dr. Walter Jo, MD
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Frequently Asked Questions

Dr. Jo frequently treats Cardiac Electrical System Procedures and Heart Conditions.  

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Hospital Affiliations

  • Lowell General Hospital