Jah-Won Koo, MD

Jah-Won Koo, MD

4.9 
291 ratings  Read Reviews
Northwestern Medical Group

Primary Specialty

Internal Medicine

Insurance Accepted

Insurance plans are subject to change. View insurance plans accepted at each hospital and by each NMHC physician group.
Accepting New Patients
Schedule Appointment

Education

Medical Education:
University of Cincinnati College of Medicine - 1995
Residency:
McGaw Medical Center of Northwestern University - 1998

Board Certifications

  • American Board of Internal Medicine (Certified)

Faculty Profile

Health System Clinician, Feinberg School of Medicine

View Faculty Profile

Practice Groups and Affiliations

Medical Group:
Northwestern Medical Group
Physician Category:
Northwestern Medicine Physician Network
On Medical Staff At:
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 FAQs

Overall rating

4.9
4.9 
291 Ratings
  • Friendly & Courteous
    4.9
  • Will Recommend to Others
    4.9
  • Clear Explanations
    4.9
  • Shows Concern
    4.9
  • Includes You In Decisions
    4.9
  • Explains Medications
    4.9
  • Follow-Up Instructions
    4.9
  • Easy to Understand
    4.9
  • Time Spent With Patient
    4.9
  • Confidence in Doctor
    4.9

Reviews from Patients

Sort By: Newest
80 Reviews
October 25, 2019

Dr. Koo is the best. Professional, knowledgeable and is great to his patients.

Was this helpful? Yes (0) No (0)

Thanks for your feedback!
October 19, 2019

I love Dr. Koo, he knows how anxious I am and always puts me at ease when I see him

Was this helpful? Yes (0) No (0)

Thanks for your feedback!
October 17, 2019

I regard as excellent Dr. Koo's interest and demonstration of caring, particularly at this time when it has become necessary to become acquainted with new specialists, hospital equipment and procedures. I have found Dr. Koo a calming presence.

Was this helpful? Yes (0) No (0)

Thanks for your feedback!
October 15, 2019

Dr. Koo is a valuable part of my healthcare team. he is very informative when explaining every part of my test of my health of medication and any questions that I have.Because I have so many doctors he will inform my other doctors of what's going on and works as a liaison andwith my other doctors which I appreciate so much.

Was this helpful? Yes (0) No (0)

Thanks for your feedback!
October 14, 2019

I was very impressed by the time and genuine interest the Doctor gave during my routine physical. Follow up was amazing- lab results along with comments from the Doctor same day- and my appointment was at 1:00.

Was this helpful? Yes (0) No (0)

Thanks for your feedback!
October 08, 2019

Dr. Koo is the Best Doctor I've ever had. Always concerned about my health and doesn't sugarcoat anything. I followed him to Northwestern. #1 Physician

Was this helpful? Yes (0) No (0)

Thanks for your feedback!
October 06, 2019

I am a physician and specifically chose Dr Koo as my doctor. He is excellent.

Was this helpful? Yes (0) No (0)

Thanks for your feedback!
September 30, 2019

very professional and competent

Was this helpful? Yes (0) No (0)

Thanks for your feedback!
September 27, 2019

*Dr. Koo is a wonderful doctor. I feel honored to be his patient.

Was this helpful? Yes (0) No (0)

Thanks for your feedback!
September 21, 2019

Dr. Koo is always courteous, concerned and willing to answer any questions I might have. He has a great bedside manor.

Was this helpful? Yes (0) No (0)

Thanks for your feedback!
September 19, 2019

Dr Koo is the best!

Was this helpful? Yes (0) No (0)

Thanks for your feedback!
September 17, 2019

Dr. Koo is tremendous. I have the highest confidence in him.

Was this helpful? Yes (0) No (0)

Thanks for your feedback!
September 09, 2019

Dr. Koo is the best!

Was this helpful? Yes (0) No (0)

Thanks for your feedback!
September 08, 2019

Dr. Koo is both knowledgeable and caring during each visit. He was determined to assist me in managing my BP to an acceptable level. His selection of medications works well and now I'm at normal range.

Was this helpful? Yes (0) No (0)

Thanks for your feedback!
August 23, 2019

dr Koo is very caring and open to any questions. His answers are clear, complete and he is very patient with all my inquiries.

Was this helpful? Yes (0) No (0)

Thanks for your feedback!
August 22, 2019

Excellent visit with Dr. Koo

Was this helpful? Yes (0) No (0)

Thanks for your feedback!
August 22, 2019

I have nothing but praises for *Dr. Koo.

Was this helpful? Yes (0) No (0)

Thanks for your feedback!
August 16, 2019

Dr. Koo always goes above and beyond! He's a friendly face, shows genuine interest in my health, and is easy to talk to.

Was this helpful? Yes (0) No (0)

Thanks for your feedback!
July 27, 2019

Dr. Koo was an amazing doctor. he truly caress about his patients and he made me feel a lot better after seeing him.

Was this helpful? Yes (0) No (0)

Thanks for your feedback!
July 25, 2019

Dr. Koo was outstanding and I am very happy he is my new primary care provider.

Was this helpful? Yes (0) No (0)

Thanks for your feedback!
July 23, 2019

Dr. Koo is the best doctor in town hands down. He's personable educational and compassionate. I always tell friends and family about the great care I receive from him anytime I have a healthcare need. I always feel I am getting the best care and treatment by Dr. Koo.

Was this helpful? Yes (0) No (0)

Thanks for your feedback!
July 15, 2019

This is a relatively new relationship with Dr. Koo. Thus far, I have been very, very happy with Dr. Koo.

Was this helpful? Yes (0) No (0)

Thanks for your feedback!
June 30, 2019

outstanding, caring & knowledgeable physician

Was this helpful? Yes (0) No (0)

Thanks for your feedback!
June 30, 2019

Dr. Koo and the entire staff were professional and courteous.

Was this helpful? Yes (1) No (0)

Thanks for your feedback!
June 29, 2019

You can't ask for a better provider than Dr. Koo. A great physician with the skills, knowledge and caring for his patients that gives you confidence in him.

Was this helpful? Yes (1) No (0)

Thanks for your feedback!
June 18, 2019

*Dr. Koo is a wonderful; knowledgeable & caring doctor.

Was this helpful? Yes (0) No (0)

Thanks for your feedback!
June 03, 2019

Great experience

Was this helpful? Yes (0) No (0)

Thanks for your feedback!
May 30, 2019

*Dr. Koo is super. I followed him from his previous hospital. Northwestern is fortunate to have him. He does his best to keep me on track.

Was this helpful? Yes (0) No (0)

Thanks for your feedback!
May 20, 2019

Dr Koo is great - glad that he is my doctor

Was this helpful? Yes (0) No (0)

Thanks for your feedback!
May 19, 2019

Dr Koo is phenomenal. I would recommend him to anyone. He truly cares about his patients.

Was this helpful? Yes (0) No (0)

Thanks for your feedback!
May 05, 2019

the most thorough doctor visit I have ever had, a very caring and thoughtful doctor who spent a lot of time reviewing all of my medical history and ensuring any concerns were addressed

Was this helpful? Yes (0) No (0)

Thanks for your feedback!
May 02, 2019

Dr. Koo is very detailed and spends time explaining topics which is very much appreciated. Often in healthcare I feel rushed by professionals. Dr. Koo always makes me feel like he truly cares.

Was this helpful? Yes (0) No (0)

Thanks for your feedback!
April 15, 2019

Dr. Koo is fantastic. Very thorough and very positive to deal with.

Was this helpful? Yes (0) No (0)

Thanks for your feedback!
April 12, 2019

My Doctor has my full confidence and always explain to me what and how my treatments will be..I have ask my son and best friend to have Dr. Koo to become their Primary Doctor.

Was this helpful? Yes (0) No (0)

Thanks for your feedback!
April 12, 2019

Dr. Koo was very professional and thorough. It was one of the most thorough exams and discussions I've had with a doctor in a long time.

Was this helpful? Yes (0) No (0)

Thanks for your feedback!
April 10, 2019

again dr Koo is the first physician I feel I can trust 100%

Was this helpful? Yes (0) No (0)

Thanks for your feedback!
March 28, 2019

Dr. Koo is very thorough and spends time explaining everything to me. When I get my test results back he always explains what the test results mean. If I message him through My chart, he responds. I don't know where my health care would be without Dr. Koo. He keeps everything organized and the rest of my team together and I thank Dr. Koo for that.

Was this helpful? Yes (0) No (0)

Thanks for your feedback!
March 25, 2019

Dr. Koo has always been a great and thorough physician.

Was this helpful? Yes (0) No (0)

Thanks for your feedback!
March 21, 2019

I like Dr. Koo. I feel he listens to me and offers me the best advice.

Was this helpful? Yes (0) No (0)

Thanks for your feedback!
March 05, 2019

As mentioned, I have had great experiences with Dr. Koo and would highly recommend.

Was this helpful? Yes (0) No (0)

Thanks for your feedback!
March 01, 2019

Dr. J. Koo has been our Dr. for over 10 years. Can't find any better!

Was this helpful? Yes (0) No (0)

Thanks for your feedback!
March 01, 2019

Dr. Koo exceeds all expectations. He is a great doctor in all ways.

Was this helpful? Yes (0) No (0)

Thanks for your feedback!
February 14, 2019

*Dr. Koo is in the top 3 doctors I have ever seen. I am 76 yrs. old!! I have seen only the BEST doctor.

Was this helpful? Yes (0) No (0)

Thanks for your feedback!
January 26, 2019

Dr Koo spent a great amount of time explaining all issues, very informative and I really appreciate the level of his being thorough.

Was this helpful? Yes (0) No (0)

Thanks for your feedback!
January 11, 2019

Very responsive online on MyChart as well.

Was this helpful? Yes (0) No (0)

Thanks for your feedback!
December 26, 2018

This doctor isn't my primary physician yet still took an immediate interest in my symptoms and asked a lot of questions about my current medications to ensure that there wasn't an conflict.

Was this helpful? Yes (0) No (0)

Thanks for your feedback!
November 30, 2018

Dr. Koo is a great doctor who is both knowledgeable and kind. He spent a lot of time with me to make sure that I was feeling alright.

Was this helpful? Yes (0) No (0)

Thanks for your feedback!
November 15, 2018

Dr. Koo is always attentive and professional.

Was this helpful? Yes (0) No (0)

Thanks for your feedback!
November 02, 2018

*Dr. Koo is a great an caring physician.

Was this helpful? Yes (0) No (0)

Thanks for your feedback!
October 23, 2018

Dr. Koo is a fantastic doctor. Excellent demeanor. Provides recommendations and concerns without being critical or condescending. Takes a lot of time in following up and explaining things via the portal.

Was this helpful? Yes (0) No (0)

Thanks for your feedback!
October 22, 2018

Great doctor.

Was this helpful? Yes (0) No (0)

Thanks for your feedback!
September 25, 2018

Dr.Koo showed extraordinary care for for my condition

Was this helpful? Yes (0) No (0)

Thanks for your feedback!
September 24, 2018

My wife and I have had tremendously positive experiences with Dr. Koo and his staff. Everyone is very welcoming and professional. Great care provided from beginning to end.

Was this helpful? Yes (0) No (0)

Thanks for your feedback!
August 29, 2018

Dr Koo took time and reassured me of my medical conditions and how we would go forward treating.

Was this helpful? Yes (0) No (0)

Thanks for your feedback!
August 23, 2018

I feel confident with Dr. Koo. I'd love to have more time to discuss issues with him in person, but I know that is not always practical. I do appreciate I can e-mail questions and concerns using the NM app.

Was this helpful? Yes (0) No (0)

Thanks for your feedback!
August 19, 2018

Contacted *Dr. Koo twice via web messaging. Gave quick and complete responses.

Was this helpful? Yes (0) No (0)

Thanks for your feedback!
August 06, 2018

Dr. Koo is a great provider and human being.

Was this helpful? Yes (0) No (0)

Thanks for your feedback!
July 31, 2018

Dr. Koo is awesome. He always explains things in a way that the patient can easily understand. He listens to the patient.

Was this helpful? Yes (0) No (0)

Thanks for your feedback!
July 31, 2018

Dr. Koo always takes the time I need and makes sure we cover all that we need to cover. We go through each Issue I have.

Was this helpful? Yes (0) No (0)

Thanks for your feedback!
June 14, 2018

Dr. Koo . . . . He's the best.

Was this helpful? Yes (0) No (0)

Thanks for your feedback!
View