Summary

Dr. George Mallis is a cardiovascular disease specialist with expertise in internal medicine who brings six decades of medical experience to patient care. He earned his medical degree from Columbia University College of Physicians and Surgeons, providing him with a strong foundation in cardiovascular health and comprehensive internal medicine. His extensive 61-year career has allowed him to develop deep expertise in diagnosing and treating complex heart conditions.

Dr. Mallis practices at Northport VA Medical Center in Northport, New York, where he focuses on treating patients with serious heart rhythm disorders. He specializes in managing ventricular arrhythmia and various cardiac arrhythmias, as well as treating heart block conditions. His diagnostic expertise includes performing electrocardiograms and ambulatory EKG monitoring to assess heart function. Patients consistently rate Dr. Mallis highly for his care, giving him an average rating of 5.0.

Overview based on verified provider data

Quick Facts

  • 5
  • 61 years of experience
  • COLUMBIA UNIVERSITY COLLEGE OF PHYSICIANS AND SURGEONS
  • 2 specialties
  • 15 areas of expertise
  • 2 board certifications
  • 1 hospital affiliation
  • 1 office location
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Location

Northport Va Medical Center

79 Middleville RdNorthport, NY 11768

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Dr. George Isaac Mallis, MDDr. Michael Brener, MDDr. Angelo Bartolo Biviano, MDDr. Irene D. Lytrivi, MD
Cardiovascular DiseaseCardiovascular DiseaseCardiovascular DiseaseCardiovascular Disease
Accepts New Patients Accepts New Patients Accepts New Patients
4.4 
4.6 
61 Years of Experience 13 Years of Experience 29 Years of Experience 33 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks Polish, English Speaks Spanish, Greek
Northport , NYNew York , NYNew York , NYWhite Plains , NY
Med School: COLUMBIA UNIVERSITY COLLEGE OF PHYSICIANS AND SURGEONS Med School: Johns Hopkins University School Of Medicine Med School: Harvard Medical School Med School: University Of Athens School Of Health Sciences
Current Profile
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Insurance Plans Accepted by Dr. George Isaac Mallis

Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.

Medical Specialties

Dr. George Isaac Mallis has the following 2 specialties

Specialty Expertise

Dr. George Isaac Mallis has the following 15 areas of expertise

  • Acute Coronary Syndrome (ACS)
  • Arrhythmia
  • Atherosclerosis
  • Blood Clot
  • Heart Attack
  • Heart Block
  • Heart Diseases
  • Heart Failure
  • High Blood Pressure (Hypertension)
  • High Cholesterol
  • High Cholesterol (Hypercholesterolemia)
  • Hypertension
  • Internal Medicine
  • Stroke
  • Unstable Angina

Certifications, License, & Education

61 Years Experience

Dr. George Isaac Mallis holds an expired medical license in the state of New York.

Medical License

Medical Doctor with an expired medical license in the state of New York that expired in 2025.

Education & Training

Medical School

Graduated from COLUMBIA UNIVERSITY COLLEGE OF PHYSICIANS AND SURGEONS and Columbia University College Of Physicians & Surgeons in 1965.

NPI Number

Dr. Mallis' NPI number is 1366476475.

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Frequently Asked Questions

Does Dr. George Isaac Mallis accept my insurance?
You can see the insurance plans that Dr. George Isaac Mallis accepts on their Vitals profile.
Is Dr. George Isaac Mallis accepting new patients?
Dr. George Isaac Mallis has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Where is Dr. George Isaac Mallis's office located?
Dr. George Isaac Mallis's office is located at 79 Middleville Rd, Northport, NY, 11768.
Does Dr. George Isaac Mallis accept virtual/telehealth appointments?
Dr. George Isaac Mallis has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
How can I make an appointment with Dr. George Isaac Mallis?
You can find contact information for Dr. George Isaac Mallis here on Vitals.

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