Summary

Dr. Walter Jo specializes in cardiovascular disease, bringing over three decades of expertise to heart care. He earned his medical degree from Tufts University School of Medicine and completed his residency at University of Chicago Hospitals and Clinics in 1996. Dr. Jo further advanced his training through a fellowship at Boston University Medical Center, which he completed in 1999. His extensive experience spans 33 years in cardiovascular medicine. He is fluent in Hindi, Spanish, and Italian.

Dr. Jo practices at Lahey Hospital and Medical Center with locations in North Chelmsford and Lowell, Massachusetts. He treats patients with heart rhythm disorders, aneurysms, and aortic disease. His procedural expertise includes performing electrocardiograms, contrast echocardiography, and transthoracic echocardiograms to diagnose and monitor heart conditions. Patients rate Dr. Jo 4.4 out of 5 stars on average for his care.

AI-generated from data on this provider profile.

Quick Facts

  • accepting new patients
  • 4.4
  • 33 years of experience
  • 29 insurance plans accepted
  • speaks Hindi, Spanish, Italian
  • Boston University Medical Center
  • 3 written reviews
  • 2 specialties
  • 6 areas of expertise
  • 1 board certification
  • 1 hospital affiliation
  • 2 office locations
  • Male

Office Locations

Dr. Walter M Jo has 2 locations

Merrimack Valley Cardiology Associates – Chelmsford

14 Research Pl Ste 3North Chelmsford, MA 01863
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

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Dr. Walter M Jo, MDDr. Dana Weisshaar, MDDr. Margot Clarice YopesDr. Kedar Ajay Mahagaokar
Cardiovascular DiseaseCardiovascular DiseaseInternal MedicineCardiovascular Disease
Accepts New Patients Accepts New Patients
4.4 
33 Years of Experience 37 Years of Experience 7 Years of Experience 7 Years of Experience
Virtual Visit Available Virtual Visit Available No Virtual Visit Option No Virtual Visit Option
Speaks Hindi, Spanish, Italian Speaks English
North Chelmsford , MACambridge , MANew York , NYSalem , MA
Med School: Tufts University School of Medicine Med School: University of Toledo Medical School Med School: Columbia University College Of Physicians & Surgeons Med School: Albert Einstein College Of Medicine Of Yeshiva University
Current Profile
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Insurance Plans Accepted by Dr. Walter M Jo

  • Accepts Medicare
  • Accepts Medicaid
  • LGPHO BCBS Med Adv
  • LGPHO Blue Cross Blue Shield
  • LGPHO Circle Health Benefit Tier 1
  • LGPHO Commonwealth Care Alliance
  • LGPHO Coventry
  • LGPHO Harvard Pilgrim Health Care
  • LGPHO Multiplan Inc PHCS
  • LGPHO Pinnacle Health
  • LGPHO Tufts Health Plan
  • LGPHO Tufts Health Public Plan
  • LGPHO Tufts Health Public Unify
  • LGPHO Tufts Medicare Preferred
  • LGPHO United Healthcare
  • LGPHO United Healthcare Med Adv
  • Medicaid Wellforce Care Plan ACO (Fallon)
  • TMIN Aetna
  • TMIN Aetna Med Adv
  • TMIN AllaraCare
  • TMIN Cigna
  • TMIN Fallon
  • TMIN Fallon Med Adv
  • TMIN Fallon Navicare SCO
  • TMIN Mass General Brigham Health Plan
  • TMIN Tufts Medicare Preferred PPO
  • TMIN Unicare
  • TMIN United Healthcare
  • TMIN United Healthcare Med Adv
  • TMIN United Healthcare SCO
  • Wellforce MSSP ACOMedicare ACO

Medical Specialties

Dr. Walter M Jo has the following 2 specialties

Specialty Expertise

Dr. Walter M Jo has the following 6 areas of expertise

  • Acute Coronary Syndrome (ACS)
  • Cardiologist
  • Heart Block
  • High Blood Pressure (Hypertension)
  • High Cholesterol (Hypercholesterolemia)
  • Unstable Angina

Certifications, License, & Education

33 Years Experience

MEDICAL LICENSE

Medical Doctor, Massachusetts, 2026, Active

EDUCATION & TRAINING

Fellowship

Boston University Medical Center1999

Residency

University of Chicago Hospitals and Clinics1996

Medical School

Tufts University School of MedicineGraduated in 1993

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Frequently Asked Questions

Does Dr. Walter Jo accept virtual/telehealth appointments?
Yes, Dr. Walter Jo accepts virtual/telehealth appointments. Click the virtual visit button on their Vitals profile.
How can I make an appointment with Dr. Walter Jo?
You can find contact information for Dr. Walter Jo here on Vitals.
Which hospitals is Dr. Walter Jo affiliated with?
Dr. Walter Jo is affiliated with Lahey Hospital And Medical Center.
What languages does Dr. Walter Jo speak?
Dr. Walter Jo speaks Hindi, Spanish, and Italian.
Does Dr. Walter Jo accept my insurance?
You can see the insurance plans that Dr. Walter Jo accepts on their Vitals profile.

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