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Ian D. Cohen, MD

5.0

2036 ratings Read Reviews

Northwestern Medical Group

Primary Specialty

Cardiology

Secondary Specialty

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Practice Website

Practice Focus Areas

This medical professional has a particular interest or expertise in:

Education

Medical Education:: MD, University of the Witwatersrand Faculty of Health Sciences - 1986
Residency:: Mount Sinai Hospital Medical Center of Chicago - 1992
Fellowships:: University of Chicago - 1996

Board Certifications

American Board of Internal Medicine/Cardiovascular Disease - Cardiovascular Disease (Certified)

Faculty Profile

Assistant Professor, Feinberg School of Medicine

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Practice Groups and Affiliations

Medical Group:: Northwestern Medical Group
Alignment Category:: Northwestern Medicine Physician Network
On Medical Staff At:: Catherine Gratz Griffin Lake Forest Hospital

Grayslake Ambulatory Surgery Center

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.

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Overall Rating

5.0

5.0

2036 Ratings

Reviews from Patients

100 Most Recent Reviews

Reviews from Patients

100 Most Recent Reviews

February 24, 2026

5.0

He is the best heart guy

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February 19, 2026

5.0

He is the best!

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February 17, 2026

5.0

Dr. Cohen is the BEST !!!

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February 17, 2026

5.0

Very knowledgeable and easy to understand

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February 17, 2026

5.0

Total confidence

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February 15, 2026

5.0

He cares , is extremely knowledgeable, and is patient.

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February 15, 2026

5.0

He is 100 percent there for his patients

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February 13, 2026

5.0

He is most competent and easy to talk with.

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February 11, 2026

5.0

I have been under his care for about 8 years and feel he is knowledgeable and competent and listens to my concerns.

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February 03, 2026

5.0

I have seen Dr. Cohen for over ten years and he's great. I always feel like my cardiac care is being competently managed. He is attentive, thorough, and always takes the time to explain things and answer any questions I have.

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February 01, 2026

5.0

Highly Knowledgeable

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January 31, 2026

5.0

Great Doctor very caring and knowledgeable!

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January 28, 2026

5.0

A wonderful cardiologist that focuses on his patients. I have had many years of excellent care.

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January 28, 2026

5.0

Excellent attention to detail. Comprehensive explanations to medical issues. Straight talker.

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January 27, 2026

5.0

Dr Cohen is great but I won't be able to continue with him since he's moving to the concierge model and it's cost prohibitive for me. I wish him well with this change.

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January 23, 2026

5.0

Very through Great Doctor

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January 23, 2026

5.0

Dr. Cohen made me feel comfortable, respected and gave me options to better optimize my heart health.

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January 22, 2026

5.0

Easy to understand his medical evaluation and advice so I the patient can understands

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January 21, 2026

5.0

Dr Ian Cohen is an excellent doctor_knowledgeable, attentive, and deeply caring. He is compassionate, reassuring, and always takes the time to listen.

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January 20, 2026

5.0

I would recommend him highly except for the fact that he's going concierge next month otherwise I'll be joining some of his fellow cardiologist from the practice with full confidence...

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January 20, 2026

5.0

He's head of the department. What more do you need to know?

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January 20, 2026

5.0

excellent physician

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January 20, 2026

5.0

Dr Cohen is thorough with his cardiac assessment and listen to the patient's concerns. Thank you Dr Cohen for the cardiac care my husband received .

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January 20, 2026

5.0

He is the Best! Caring and knowledgeable with the best bedside manner.

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January 16, 2026

5.0

Outstanding doc, cares about patient

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January 14, 2026

5.0

Dr Cohen provided very knowledgeable and helpful suggestions and overall understanding.

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January 13, 2026

5.0

He is great doctor

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January 13, 2026

5.0

Exudes concern and competence

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January 09, 2026

5.0

Fantastic doctor

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January 09, 2026

5.0

He listens to me and asks the right questions.

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January 09, 2026

5.0

Knowledgeable. Kind. Took his time. Informative.

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January 08, 2026

5.0

Following him for years He a good thorough doctor who listens answers questions and has the patients best interest at heart literally lol I will miss him as he moves on to other endeavors

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January 08, 2026

5.0

Very competent. Took time to answer all questions and explain issues.

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January 06, 2026

5.0

He has taken care of me for eleven years. And I trust him.

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January 06, 2026

5.0

smart and kind

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January 05, 2026

5.0

Great listener, professional

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January 05, 2026

5.0

Very knowledgeable and helpful physician Always looking for best advice Truly cares about patients

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January 05, 2026

5.0

Kind, attentive, caring and all about the patient.

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January 05, 2026

5.0

Same as above - additionally, Presented an excellent plan going forward Easy to understand. Relatable. High level of expertise.

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January 03, 2026

5.0

Was upfront about his future plans and sincere.

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January 03, 2026

5.0

He always makes me feel like I am receiving the best cardiac care available

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January 02, 2026

5.0

Very professional - Impressed that Dr Cohen had taken the time to prepare by reviewing my tests coming into my appt. Also, his knowledge and ability to explain it in layman terms and show me what I'm dealing with. And, devise a course of action going forward.

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January 02, 2026

5.0

Dr Cohen is an excellent Doctor He is at the very top of his profession He is easy to talk to and responds to all questions explaining everything in a detailed but comprehensible way

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January 01, 2026

5.0

A true expert with a wonderful bedside manner

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December 31, 2025

5.0

Very thorough and honest and kind!

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December 31, 2025

5.0

Very caring and explains things well.

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December 29, 2025

5.0

Through the years he has taken a personal interest in my heslth

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December 27, 2025

5.0

He listens. Excellent Quality of care

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December 20, 2025

5.0

Excellent doctor! Very kind, caring, thorough. Answered all my questions, does not rush, and extremely knowledgeable.

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December 19, 2025

5.0

Great bedside mannerisms.

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December 17, 2025

5.0

He's the bedt

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December 17, 2025

5.0

Professionalism, expertise and sincerity of Dr.Cohen

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December 17, 2025

5.0

Dr Cohen discusses issues with you. Answers questions a and advises on procedures. Wonderful being his patient! Great care.

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December 16, 2025

5.0

He's knowledgeable, patient, and a wonderful diagnostician.

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December 15, 2025

5.0

Good doctors and njurses

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December 15, 2025

5.0

Great combination of skill, knowledge and compassion

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December 10, 2025

5.0

Dr. Cohen is a very good cardiologist. I'm sorry he's going concierge.

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December 08, 2025

5.0

Kind, respectful, knows the patient's history before waking into the room.

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December 08, 2025

5.0

Great customer care, and attention to customer questions

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December 07, 2025

5.0

He's the Best!

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December 05, 2025

5.0

Best doctor ever.

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December 04, 2025

5.0

Very knowledgeable, patient, honest, caring, and likable

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December 04, 2025

5.0

Transparent on what to expect for the future

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December 01, 2025

5.0

Caring, expertise.

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December 01, 2025

5.0

Totally professional

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November 23, 2025

5.0

Very competent , very caring. No rushing. Answered all my questions. Perfect

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November 22, 2025

5.0

Dr. Cohen is kind, knowledgeable and made me feel like I was important. He communicated my cardiac issues to me so that I understood them. He truly cares and that is 100%!

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November 21, 2025

5.0

After each visit... I always feel that Dr Cohen is a premier physician that is genuinely interested in my wellbeing. He takes time to answer all of my questions. He provides guidance on how I should approach my lifestyle habits to insure positive outcomes. I feel confident as well as grateful that I have an outstanding physician to guide me. His staff is efficient and supportive. They reinforce my confidence in the practice.

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November 21, 2025

5.0

Dr. Cohen is an excellent cardiologist.

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November 20, 2025

5.0

Very caring explained very well what is related to my condition.

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November 18, 2025

5.0

Personable Thorough Takes time to explain results

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November 15, 2025

5.0

I think Dr. Cohen is a very good physician.

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November 14, 2025

5.0

We talked and I explained him that I tried a few statins medications. I got some side effects from them. The Pravastatin 10 mg is ok for me to take. He said that there is another option for another medication to check if I will need.

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November 14, 2025

5.0

Expertise, experience, knowledge of the field up-to-date, knows what questions to ask, explains technological matters in a way the common person would understand and cares about the well-being of the patient.

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November 14, 2025

5.0

Dr. Cohen is the best! He's helpful, kind and brilliant

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November 13, 2025

5.0

Several reasons: 1. Dr. Cohen was completely prepared when we first met. He clearly knew my complete history and had a thorough knowledge of my history, including prior exams, scans, procedures. 2. Dr. Cohen listened to what I had to say. 3. Everything Dr. Cohen said was logical. 4. Dr. Cohen's support staff behaved in a similar fashion. 5. The Cohen practice has had very fst qnd complete followup to any question asked.

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November 13, 2025

5.0

Ian is terrific. I repose great confidence in his analysis and judgment.

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November 12, 2025

5.0

Very knowledgeable and caring Doctor

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November 11, 2025

5.0

I like his manner

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November 10, 2025

5.0

I believe his medical skills help keep me healthy and in-fact alive.

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November 07, 2025

5.0

Good doctor

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November 06, 2025

5.0

He is personable and answers questios

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November 06, 2025

5.0

Great Dr.

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November 05, 2025

5.0

For all the reasons stated above - inclusive of he "listens" to your body but also to your knowledge of your body

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November 05, 2025

5.0

I again feel very confident with Dr Cohen. He takes his time to go over my history and will make changes when needed.

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November 05, 2025

5.0

He has been thorough, caring and kind.

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November 04, 2025

5.0

He is one of the best in Chicagoland!

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November 04, 2025

5.0

He is thorough and very caring.

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October 28, 2025

5.0

He's a smart, caring, and patient oriented physician. May seem too serious at first but warms up quickly as he gets to know you.

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October 26, 2025

5.0

Explains well very pleasant

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October 25, 2025

5.0

He's attentive, thorough and involves his patients in decision making.

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October 23, 2025

5.0

I think Dr Cohen provides the best cardiac care. He includes me in all aspects of my care , explains things plainly and takes the time to make sure I understand and agree with my care plan moving forward.

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October 23, 2025

5.0

Knowledgeable

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October 23, 2025

5.0

Took the time to explain his concerns about my condition considering future medical procedures and what additional tests should be done.

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October 21, 2025

5.0

amazing communicator and amazingly smart

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October 20, 2025

5.0

Dr. Cohen is a caring and dedicated physician.

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October 17, 2025

5.0

Listen takes action to the point and a nice guy

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October 16, 2025

5.0

This was my first visit. He carefully reviewed my file, questioned and examined me then explained his evaluation and recommended plan. He was very thorough, listened and explained well - is clearly very knowledgable and experienced.

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October 09, 2025

5.0

He is terrific. Listens, thorough exam . Have been with him more than 10 years

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October 09, 2025

5.0

Dr. Cohen is very personable. He is very straight forward about my health and anything I need to know to improve my health. I have complete faith in him.

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Disclosures

Faculty member received compensation for medical record consultation and/or expert witness testimony.

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.

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