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Justin C. Koerner, APRN

Certified Nurse Practitioner

4.9

222 ratings Read Reviews

Northwestern Medical Group

Primary Specialty

Cardiac Electrophysiology

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Practice Focus Areas

This medical professional has a particular interest or expertise in:

Nurse Practitioner

Education

Professional Education:: MSN, Lewis University College of Nursing - 2023

Certifications and Licensures

American Nurses Credentialing Center - Nurse Practitioner-Adult Gerontology Acute Care (Certified)

Practice Groups and Affiliations

Medical Group:: Northwestern Medical Group
Alignment Category:: Northwestern Medicine Physician Network

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

4.9

4.9

222 Ratings

Reviews from Patients

79 Reviews

Reviews from Patients

79 Reviews

February 24, 2026

5.0

Very nice and attentive and knowlegable

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February 22, 2026

5.0

knew cardiology electrophysiology area very well. He shared his knowledge and answered all of our questions in a kind, patient manner.

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February 18, 2026

5.0

He is friendly, personable, open and thorough.

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February 17, 2026

5.0

Listen to his patients and take his time explaining

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February 11, 2026

5.0

He was kind and helpful and also willing to listen and offer advice

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February 05, 2026

5.0

Justin always takes his time with me. Explains things well and is a great listener.

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February 03, 2026

5.0

Justin is supremely knowledgeable and informative. He's also always respectful and pleasant.

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January 29, 2026

5.0

Very thorough spends sufficient time

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January 28, 2026

5.0

Justin is consistent....no ....knowledgeable ....caring....great personality!!

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January 28, 2026

5.0

He was very professional, knowledgeable, willing to answer all my questions, sometimes more than once.

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January 23, 2026

5.0

Caring, takes time with me

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January 22, 2026

5.0

Professional and affable , a true caring individual.

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January 11, 2026

5.0

Great people

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January 07, 2026

5.0

Informed about my condition. Following my progress. Patient, knowledgeable and a good communicator

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January 04, 2026

5.0

Read above- competent, listened and addressed my concerns.

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December 18, 2025

5.0

Highly skilled, listens carefully to my concerns, offers explanations that are easy to understand, demonstrates concern about my health.

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December 15, 2025

5.0

Very good listener.

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December 11, 2025

5.0

He takes time with you. As well as everything listed in the above question

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December 10, 2025

5.0

Very professional and knowledgeable and he was patient answering my many questions

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December 08, 2025

5.0

Straightforward explanations of issues...

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December 07, 2025

5.0

Friendly, knowledgeable, doesn't rush.

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December 03, 2025

5.0

Justin is always ready to offer solutions.

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November 30, 2025

5.0

Justin Koerner is VERY VERY good at explaining things in a way I easily understand. He has a gift.

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November 29, 2025

5.0

Took all the time necessary to explain to me what my condition is and what it might look like with two alternate procedures

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November 26, 2025

5.0

He seemed to know what he was doing.

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November 18, 2025

5.0

Appreciate his explaining of things

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November 16, 2025

5.0

Justin is kind, caring, listens well, answers all my questions. He explains what is the reason and purpose of a new medication or upcoming test or procedure. He is knowledgeable and efficient.

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November 14, 2025

5.0

Very knowledgeable. Friendly. Clearly competent. Patient focused. A good listener and communicator.

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November 08, 2025

5.0

Friendly

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November 04, 2025

5.0

Very good

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October 30, 2025

5.0

He was attentive to my concerns

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October 29, 2025

5.0

Explained everything in detail that was easy to understand. Very professional yet done with care, concern and respect.

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October 29, 2025

5.0

Great Doctor who listens

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October 28, 2025

5.0

Justin is prompt. He is informative. He answers questions clearly and completely.

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October 25, 2025

5.0

He was very professional and knowledgeable during my video consultation

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October 24, 2025

5.0

Thorough very caring

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October 23, 2025

5.0

He is informative and also answers my cocerns.

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October 13, 2025

5.0

He educated me to help me understand what lifestyle changes I can make for better health.

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October 07, 2025

5.0

Knowledge and Service

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October 07, 2025

5.0

Great listener very polite and knowledgeable

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October 06, 2025

5.0

Justin was very informative with me, he takes his time explaining everything. Highly recommended.

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September 30, 2025

5.0

Speaking, listening and preparedness are the simple reason for any and all needing the kind of care and attention to detail that Justin is quite capable of.

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September 24, 2025

5.0

First time patient with Dr Koerner. Very impressed. He was very knowledgeable, established options, and gave pros and cons of the various options. His bedside manner was very pleasant.

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September 24, 2025

5.0

Justin is one of the few nurse practitioners post surgery that is compassionate, communicative and doesn't always have to go back to the "team" for every single ask. I moved from Chicago to Lake Forest to specifically deal with Justin-don't lose him!

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September 22, 2025

5.0

Great manner, thorough, warm

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September 17, 2025

5.0

He is an integral part of Dr. [last name]'s staff

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September 14, 2025

5.0

Justin is very knowledgeable and knows how to explain complicated issues. He took the time to study my history and develop a plan of action to address my AFIB,

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September 11, 2025

5.0

Informative, answers questions, has patience and listens.

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September 09, 2025

5.0

Excellent at patiently explaining information related to your situation and health.

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September 09, 2025

4.0

He explained all the options i had and let me decide what is best for me.

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September 07, 2025

5.0

He was very professional and answered all my questions.

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September 06, 2025

5.0

excellent care and attention

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September 06, 2025

5.0

He listens to patient and explains everything

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August 30, 2025

5.0

Justin was extremely thorough and knowledgeable. He was sure to address all of my concerns while taking the time to answer any questions that I had about my treatment plan.

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August 25, 2025

5.0

Friendly, knowledgeable

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August 20, 2025

5.0

He is very thorough and took time to explain everything in a way that I could understand.

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August 13, 2025

5.0

Simply put, Justin Koerner, CNP would be quite adept for treatment of any cardiology situation.

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August 12, 2025

5.0

Extremely professional and outstanding communication skills

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July 30, 2025

5.0

He spent time with me to explain all the test I have done and about the different medication and why I need to take each one I did not feel rushed

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July 28, 2025

5.0

Professional, Knowledgeable, understanding, explains procedures clearly, works with you to make decisions on my care.

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July 26, 2025

5.0

He explained everything so thoroughly. He answered all my questions. Very nice young man.

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July 24, 2025

5.0

Thoughtful presentation of treatment options. Never felt rushed.

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July 19, 2025

5.0

Well prepared, good listener, knowledgeable

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July 18, 2025

5.0

EFFICIENT PERSONABLE EXPLAINS FINDINGS AND OPTIONS FOR TREATMENT IN EASY TO UNDERSTAND MANNER

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July 17, 2025

5.0

I am totally comfortable with his understanding of my condition. I am given his total attention and every question I have is answered.

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July 11, 2025

5.0

He took his time and never made me feel he was in a rush

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July 07, 2025

5.0

Superb.

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June 24, 2025

5.0

Justin is very easy to work with. He has a wall of information and he's not afraid to share it with you. His professional knowledgeable and personable..

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June 10, 2025

5.0

Strong communication skills

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May 30, 2025

5.0

He was very information and spent time informing us of all the issues I am being treated for with the heart issues I have.

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May 30, 2025

5.0

Excellent communicator, answers all of your questions.

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May 29, 2025

5.0

Very professional, explained all steps of treatment and different options to follow in the future.

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May 27, 2025

5.0

Personable - remembered that I'm working toward career goal and that I play guitar!!

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May 19, 2025

5.0

A very very thorough assessment of my condition.

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May 12, 2025

5.0

Justin is a professional.... To the point....great personality

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May 10, 2025

5.0

One of the best experiences I had with attending physician

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May 08, 2025

5.0

He is kind, very patient, listens well, answers all my questions. He truly cares about his patients.

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May 05, 2025

4.0

He answered all my questions and explained very well concerning about my situations on my pacemaker and some of my medications I'm taking. Very attentive in all my questions.

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May 01, 2025

5.0

Very professional, knowledgeable, and listens to the patient's concerns

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Disclosures

Justin C. Koerner, APRN 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.

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