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Jennifer L. Kassir, MD

Internal Medicine

4.8
393 Ratings
Years in Practice: 20 years
Practices In: Lisle
Patients Seen: Ages 18+

I think it’s most impor­tant to empow­er my patients through edu­ca­tion. I take the time to lis­ten and then focus on edu­cat­ing them about their gen­er­al health, well being and dis­ease processes.

Flu shots are here! 
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Schedule an appointment with Jennifer L. Kassir, MD

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Locations

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Lisle

430 Warrenville Road

Suite 210

Lisle, Illinois 60532

630-432-6180

(Internal Medicine)
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General Info
Video
Hospital Affiliations
Board Certifications
Internal Medicine
Languages
English
Clinical Interests

Dia­betes, Hyper­ten­sion, Cho­les­terol, Car­dio­vas­cu­lar dis­ease, Women’s Health, Men’s Health and Pre­ven­tive Medicine

Personal Interests

Hik­ing, Run­ning, Read­ing, Outdoors

Advocate Good Samaritan Hospital
3815 Highland Avenue Downers Grove, Illinois 60515 630-275-2700 Get Directions
Edward Hospital
801 S. Washington St. Naperville, Illinois 60540 630-527-3000 Get Directions
Elmhurst Memorial Hospital
155 E. Brush Hill Road Elmhurst, Illinois 60126 331-221-1000 Get Directions
Northwestern Medicine Central DuPage Hospital
25 North Winfield Road Winfield, Illinois 60190 630-933-1600 Get Directions
Education
Research
School
Rosalind Franklin University of Medicine and Science Graduation Date: 2005 Degree: MD
Residency
Rush University Medical Center Resident in Internal Medicine
Provider’s Research
Gender and Age of HCV Contraction The Natural History of Hepatitis C in African Americans Hepatitis C Infection in African Americans

Ratings

Ratings Category

The Patient Satisfaction Rating score is an average of all responses to care provider related questions on our independent rating system, the Press Ganey Patient Satisfaction Survey. Responses are measured on a scale of 1 to 5, with 5 being the best score. Learn more about our patient satisfaction survey.

Patient Satisfaction Rating

4.8

Likelihood of recommending this provider

4.8
388 Ratings

Provider discussed treatment options

4.8
385 Ratings

Provider explained things clearly

4.9
392 Ratings

Provider included you in decisions

4.9
377 Ratings

Provider showed concern

4.8
392 Ratings

Comments

Comments are collected in our Press Ganey Patient Satisfaction Surveys. Patients are de-identified to protect confidentiality and patient privacy. Learn more about our patient satisfaction survey.
"Dr Kassir is wonderful and takes time to listen to me"
5
May. 5, 2025
"Dr Kassir is an outstanding physician. She is sharp yet compassionate and thorough."
5
May. 2, 2025
"The nurse, Tracey, was very good in getting all the necessary information for Dr. Kassir. She was friendly and very nice to relate to. I love Dr. Kassir and I am so grateful that she is my PCP!! She is knowledgeable, patient, funny, caring, and professional. She cares about my health and asks questions. She listens too!!! I never have any bad experiences with her. My visits are always good and productive. She and her staff work like a well oiled machine. I feel so lucky having her as my PCP!!! She ROCKS!!"
5
May. 1, 2025
"Very satisfied with Dr.Kassir. Listens well, good discussion. Genuine care for my health. Highly recommend."
5
Apr. 21, 2025
"Dr. Kassir really cares about all aspects of my health"
5
Apr. 19, 2025
"Dr Kassir patiently answered all my questions and concerns"
5
Apr. 13, 2025
"Dr Kassir was really great no complaints"
5
Apr. 9, 2025
"Very happy with new doctor. Smart, good communicator, asks questions, provides great feedback"
5
Apr. 8, 2025
"Dr Kassir is knowledgeable and really cares about her patients. She always takes the Listen"
5
Apr. 7, 2025
"While I had to wait a bit For this doctor, it was worth it. Dr. Kassir provides thorough explanations and made sure to answer my questions. I really appreciated the time she Took and treated me like I was her only patient."
5
Apr. 6, 2025
"Dr Kassir is very professional and is very knowledgeable- she is no nonsense which is what I need - she helps keep me on track to meet my goals- thank you"
5
Apr. 4, 2025
"My wife is now also going to Dr Kassir based upon my great experience with her"
5
Apr. 4, 2025
"She is great"
5
Mar. 31, 2025
"Doctor listened to my concerns and put me at ease with their recommendation."
5
Mar. 29, 2025
"I'm always happy with Dr Kassir's care for me."
5
Mar. 28, 2025
"I love how Dr. Kassir Really takes time to talk with her patients and seems to generally care about their health"
5
Mar. 27, 2025
"Experience very positive with Dr. Kassir"
5
Mar. 26, 2025
"Great communication"
5
Mar. 22, 2025
"Dr. Kassir is always a good listener who collaborates with me on decisions."
5
Mar. 20, 2025
"Care was great. "
5
Mar. 8, 2025
"Dr. Kassir ALWAYS cares for me with the most thoughtful, intelligent, and competent care anyone could ask for. She is outstanding!"
5
Mar. 5, 2025
"Dr Kassir shows a lot of care when she talks to you. She's thorough and alas if you have any questions or concerns before she leaves."
5
Mar. 3, 2025
"Dr. Kassir is always so caring and compassionate. She is very thorough and takes the time to listen to any and all of my questions and concerns. I think she's an excellent doctor and would highly recommend her."
5
Feb. 27, 2025
"Dr Kassir is a strong doctor with excellent knowledge and experience. She is important to me and lives up to the task."
5
Feb. 27, 2025
"Dr. Kassir listened to my questions and provided helpful information, so I can make an informed decision about my weight loss."
5
Feb. 23, 2025
"Love Dr. Kassir!"
5
Feb. 22, 2025
"All went well."
5
Feb. 22, 2025
"I was able to talk with the doctor like a friend talks to a friend, not just as patient to doctor. For me, it was very satisfying."
5
Feb. 22, 2025
"Wait time between arrival and departure was great. Both Dr. Kassir and her nursing staff were great in speaking with me to get all pertinent information the doctor may need to know. Everyone was very thorough and professional."
5
Feb. 15, 2025
"Dr. Kassir listened to all my questions and inquiries. She was very helpful in getting me to understand some of the treatments needed to keep me healthy."
5
Feb. 3, 2025
"Dr Kassir is an excellent physician, exhibiting both respect and concern for my questions/comments. She explained why she was making suggestions for the areas of interest I had, which I appreciated,"
5
Jan. 19, 2025
"Dr Kassir is the perfect doctor for me. She understands me and is great at anticipating my questions."
5
Jan. 19, 2025
"Doctor Kassir is excellent. Very thorough. Nice personality. A Real Gem."
5
Jan. 19, 2025
"Very professional"
5
Jan. 19, 2025
"I ALWAYS RECEIVE THE BEST OF CARE AT THIS CLINIC."
5
Jan. 15, 2025
"Jennifer Kassir, always excellent"
5
Jan. 15, 2025
"I trust her"
5
Jan. 9, 2025
"I've been a patient of Dr. Kassir's for many years for a reason. She is excellent."
5
Jan. 4, 2025
"Dr. Kassir was thorough, knowledgeable and professional. She took extra time to explain things and asked questions to understand my concerns."
5
Jan. 1, 2025
"Excellent physician!!"
5
Dec. 29, 2024
"I like the doctor. "
5
Dec. 29, 2024
"My wife is now a patient of Dr Kassir because of my recommendation"
5
Dec. 27, 2024
"The doctor listened to my concerns and answered all my questions."
5
Dec. 18, 2024
"Dr. Kassir is a wonderful doctor!!"
5
Dec. 14, 2024
"Dr. Kassir is the only reason that I am remaining as a patient at Duly healthcare."
5
Nov. 22, 2024
"Dr. Kassim is the best doctor I have ever had in being proactive and working with me to keep me healthy."
5
Nov. 18, 2024
"Dr Kassir always listens carefully, asks appropriate questions and demonstrates empathy and care. She's the best!!!"
5
Nov. 16, 2024
"Dr. Kassir is an excellent listener and I always trust what she says and recommends."
5
Nov. 15, 2024
"All good"
5
Nov. 13, 2024
"I will highly recommend Dr Jennifer Kassir"
5
Nov. 11, 2024
"Answered all my questions."
5
Nov. 9, 2024
"Very professional"
5
Oct. 27, 2024
"The doctor made sure I understood the situation I was in and the steps I should take to perhaps achieve in getting some positive results. She also assigned a nurse to assist me should I have an immediate concern or issue before I can get an appointment with the doctor. The appointment was a very good experience and set my mind at ease."
5
Oct. 26, 2024
"Dr. Kassir is the finest primary care provider that I have ever experienced. She is highly knowledgeable, efficient, calming and always has a reasonable solution to my problem."
5
Oct. 13, 2024
"Dr. Kassim is an excellent physician. She cares & listens. I have recommended her to others"
5
Oct. 11, 2024
"Dr. Kassir is very good at listening to concerns and answers questions clearly and thoroughly."
5
Oct. 11, 2024
"I have always had a good experience with duly"
5
Oct. 11, 2024
"Dr. Kassir is an excellent doctor who is very thorough with her exams. She is never rushed and always caring."
5
Oct. 7, 2024
"All my issues were addressed!"
5
Oct. 5, 2024
"Awesome doctor."
5
Oct. 5, 2024
"Overall good experience."
4.6
Sep. 29, 2024
"IM ALWAYS TREATED VERY WELL AT THIS CLINIC"
5
Sep. 27, 2024
"Very professionaland caring"
5
Sep. 25, 2024
"Dr. Kassir listened to all of my concerns and medical history. She was proactive in understanding my entire history so she could make recommendations on how to move forward and provide me with multiple options that would suit me best. This was by far the best initial visit I've ever had with a provider. Feeling so seen and heard is still surprising me, even several days after the appointment."
5
Sep. 22, 2024
"Dr. Kassir is very attentive. She answers all my questions."
5
Sep. 10, 2024
"Dr. Kassir was very attentive and reviewed all of my concerns. This was my first visit with her as I needed a new physician to replace Dr Arand who retired. I am happy I chose Dr. Kassir."
5
Sep. 7, 2024
"My previous internal medicine doctor retired. I chose Dr Jennifer Kassir after reviewing her information, I am very happy to have chosen her. She spent a lot time going over my history and discussing with me. She is a very carrying doctor. I highly would recommend her ."
5
Aug. 28, 2024
"Dr Kassir is the best. Shes like a friend who happens to be your physician. Or is it the other way around lol? I think she actually gets me!"
5
Aug. 20, 2024
"Very good!!!"
5
Jul. 31, 2024
"Dr. Kassir always starts my visits by asking if I have any questions or concerns"
5
Jul. 31, 2024
"I have serious health issues. Dr Kassir shows concern, is caring, and wants to help."
5
Jul. 30, 2024
"Excellent care always from Dr. Kassir"
5
Jul. 21, 2024
"I love Dr. Kassir"
5
Jul. 18, 2024
"Excellent office visit. Dr. Kassir was friendly, highly efficient, very knowledgeable. She is now my primary care physician."
5
Jul. 18, 2024
"Dr. Kassir gives clear and practical helpful advice. She is personable, efficient, and smart. I can't say enough good things about her."
5
Jul. 9, 2024
"DR.*KASSIR IS GREAT PHYSICIAN. GLAD I HAVE HER."
5
Jun. 28, 2024
"My primary physician really cares about me, Listen to my concerns and addresses my problems. Of all the doctors I see at duly health she is the best."
5
Jun. 25, 2024
"Had a great experience!"
5
Jun. 25, 2024
"This was my first visit with Dr. Kassir. I found her easy to discuss my concerns. She was personable and appeared concerned for my well being. She reviewed my entire medical history."
5
Jun. 25, 2024
"I have a long term relationship with this excellent provider. Hope it will continue for many years to come"
5
Jun. 11, 2024
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