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Based on January 2026 plan details.
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CALLEducation
- Medical Education:
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MD, Northwestern University Feinberg School of Medicine - 1978
- Residency:
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Emory University School of Medicine - 1981
- Fellowships:
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McGaw Medical Center of Northwestern University - 1983McGaw Medical Center of Northwestern University - 1985
Board Certifications
- American Board of Internal Medicine - Internal Medicine (Certified)
- American Board of Internal Medicine /Cardiovascular Disease - Cardiovascular Disease (Certified)
- American Board of Internal Medicine/Interventional Cardiology - Interventional Cardiology (Certified)
Faculty Profile
Clinical Assistant Professor, Feinberg School of MedicinePractice Groups and Affiliations
- Medical Group:
- Northwestern Medical Group
- Alignment Category:
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Northwestern Medicine Physician Network
- On Medical Staff At:
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Northwestern Memorial Hospital
Ratings and Reviews
At Northwestern Medicine, our patient’s feedback is important to us. While different care providers have their own unique strengths, we strive to be as transparent as possible with our quality of care.
Read Ratings FAQsOverall Rating
452 Ratings
Reviews from Patients
Reviews from Patients
January 27, 2026
5.0 star star star star starHe was very thorough at my first appointment to establish care with him, took his time and gave thoughtful responses. Looked at all my test results to get a good picture of the issue and potential causes. Recommended several next steps.
January 07, 2026
5.0 star star star star starDr. Tabor took his time understanding my problem, thoroughly reviewed the information that was available from previous test results, asked follow questions that showed he was listening to me, and provided what I thought was honest feedback and a practical assessment of the medical concerns I came to see him about. His staff was courteous and knowledgeable and I never felt rushed even though I was probably their last patient of the day.
January 05, 2026
5.0 star star star star starDr. Taber Is the best doctor I've been to in a long time. He really listens to you and explains things in a way that makes sense and has a plan of action for next steps. I would highly recommend him.
December 16, 2025
5.0 star star star star starDr. Taber was very caring, kind and he listened to the patient's issues pertaining to the health without rushing. I felt comfortable with his care and the tests he wanted to me to take to make sure my health is ok. I will recommend him to my family and friends.
December 08, 2025
5.0 star star star star starDr Taber was patient, kind, easy to learn from, engaged and knowledgeable. I felt heard, seen, and helped. You can tell he likes his job and is good at it. I felt lucky to be a new patient of his!
December 03, 2025
5.0 star star star star starDr. Taber diagnosed me correctly even before my angiogram. Extremely knowledgeable and concerned about patient health. After my angiogram, he, patiently, spent time with me explaining the results and my treatment. I am 100% confident about his expertise.
November 25, 2025
5.0 star star star star starDr Taber has a scientist approach to managing my cardiology care, which I appreciate. He reviews, digests and triangulates the data to help him gain perspective and make assessments. I appreciate this approach - every patient is different and this approach makes it a tailored diagnosis - not just a boilerplate response.
August 25, 2025
5.0 star star star star starDr. Taber listened, reassured me, and explained everything that I needed to know. I'm so glad to have found him as my preventive cardiologist. My husband will also be seeing him soon and we're so glad that he's at the new location on Irving Park rd. which is very close to where we live. Dr. Taber is a very compassionate and caring doctor.
August 02, 2025
5.0 star star star star starDr Taber is highly knowledgeable and caring. He listens and not just recommends specific care but follows up with me at all times of the day if necessary. I feel very lucky to have Dr Taber as my cardiologist.
Disclosures
Mark D. Taber, MD reported no external professional relationships for calendar year 2024.
External Professional Relationships
Pharmaceutical, device, and biotechnology companies frequently collaborate with basic scientists and physicians within an academic medical center to help advance science and improve patient care. These relationships are important in achieving scientific breakthroughs and in establishing the effectiveness and safety of promising new therapies. In order to assure objectivity in clinical research and patient care, the Northwestern University Feinberg School of Medicine (Feinberg), Northwestern Memorial HealthCare, Children's Hospital of Chicago Medical Center, and the Shirley Ryan AbilityLab have adopted integrity policies that require research and clinical faculty (in full-time, part-time, and unpaid/voluntary categories) to report compensated and uncompensated external industry relationships. Patients are encouraged to discuss these disclosures with their physician as well as to inquire as to how these relationships are overseen by Feinberg. To learn more about our Disclosure and Professional Integrity Policy, and the conflict of interest policies of our joint affiliate survey partners, please go to our Office for Regulatory Affairs Policies page.
Northwestern Medical Group