Some BCBSIL patients received letters from BCBSIL incorrectly stating their Duly provider is out of network. This was a BCBSIL error.  -   View More

Daniel Grzegorek, DO

Geriatrics, Internal Medicine

4.9
393 Ratings
Years in Practice: 29 years
Practices In: Willowbrook
Patients Seen: Ages 18+

My main objec­tive is to always lis­ten to the needs of my patients.

Qual­i­ty mat­ters when it comes to sup­ple­ments. Whether you’re new or expe­ri­enced with sup­ple­ments, trust­ed, qual­i­ty options can sup­port your immu­ni­ty, heart health, and nutri­ent intake. Duly has part­nered with Fullscript, offer­ing access to high-qual­i­ty sup­ple­ments deliv­ered direct­ly to your door. Ask your provider about Fullscript at your next vis­it and receive exclu­sive discounts.

Schedule an appointment with Daniel Grzegorek, DO

A few questions to help guide us to a healthier happier you...

What's the date of birth of the patient receiving care?

Already a Duly MyChart User?
Log in for a quicker scheduling journey.

Locations

location icon

Willowbrook

6733 Kingery Hwy

Willowbrook, Illinois 60527

630-325-4049

(Internal Medicine)
directions_car Get Directions
General Info
Hospital Affiliations
Board Certifications
Internal Medicine
Languages
English
Awards & Accolades
Chairman's Award 2000
Clinical Interests

Hyper­ten­sion, Dia­betes, Wellness

Personal Interests

Ten­nis, Gui­tar, Golf, Scu­ba diving

Memberships
American College of Physicians
AMITA Health Adventist Medical Center, Hinsdale
120 North Oak Street Hinsdale, Illinois 60521 630-856-9000 Get Directions
AMITA Health Adventist Medical Center in La Grange
5101 Willow Springs Road La Grange, Illinois 60525 708-245-9000 Get Directions
Education
School
Midwestern University Chicago College of Osteopathic Medicine Graduation Date: 1992 Degree: DO
Residency
Advocate Lutheran General Hospital Resident in Internal Medicine

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

4.9

Likelihood of recommending this provider

4.9
391 Ratings

Provider discussed treatment options

4.9
390 Ratings

Provider explained things clearly

4.9
392 Ratings

Provider included you in decisions

4.9
379 Ratings

Provider showed concern

4.9
393 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. G. proves he truly has my health concerns to heart. I trust his advice and his suggestions. I feel comfortable with him"
5
Jun. 25, 2024
"My experience at Dr. Grzegoreks office is never disappointing. All staff are wonderful. I was able to take care of my appointment in my lunch break"
5
Jun. 25, 2024
"Always an excellent visit, Dr. And staff friendly, professional and caring!"
5
Jun. 25, 2024
"He was positive, clear, and thorough in his communication about my concern and in giving reminders on what I should look at coming up"
5
Jun. 18, 2024
"Very nice doctor"
5
Jul. 30, 2024
"Dr. Grzegorek is very patient and calm."
5
Jul. 9, 2024
"Nurse called very attentive asked a few question was knowledgeable and then connected me to the Dr. G. Right after"
5
Jul. 2, 2024
"Very good"
5
Jul. 2, 2024
"Great experience. Went over everything with me thoroughly"
5
Jul. 1, 2024
"Dr. Dan is always kind and understanding."
5
Sep. 28, 2024
"Dr. Grzegorek is a great listener, and I enjoy meeting with him."
5
Sep. 26, 2024
"Always Appreciate The Care"
4.6
Sep. 25, 2024
"I truly trust Dr. G"
5
Sep. 14, 2024
"Dr. Gzregorek was attentive, explained to me the results of my blood and urine test, and agreed to my request that he help me to lose weight in addition to seeing me on a regular basis for wellness check. He has a pleasant easygoing personality that pit me at ease. I will continue to use him as my primary care physician."
5
Sep. 4, 2024
"I have been seeing Dr Grezgorek for many years.very professional , patient , listens to concerns and adresses them well.everyone at the office is very kind and caring and take the time to talk a bit on a more personal levelI highly would recommend .."
5
Sep. 4, 2024
"Great care all around"
5
Aug. 21, 2024
"Excellent care & service"
5
Aug. 20, 2024
"Dr. Has good bedside manner and listens to my concerns."
5
Aug. 6, 2024
"Dr. Grzegorek gives excellent care to his patients."
5
Oct. 27, 2024
"I was here for my wellness exam. I didn't feel I had issues. But everyone was helpful and listened. They were supportive."
5
Oct. 25, 2024
"Overall was a very good experience."
5
Oct. 24, 2024
"Thank Dr. G for always taking the time to talk through "things""
5
Oct. 12, 2024
"Awesome"
5
Oct. 3, 2024
"I always enjoy my visit even when I have a concerning question. I've always been given explanations and treatment options. All questions are answered promptly amd given thorough explanation"
5
Oct. 3, 2024
"My primary doctor is excellent. Always sees the bigger picture on my health and wellness. Listens, advises me of options to address any issue, and works with me on the best plan for my health"
5
Oct. 2, 2024
"Very good"
5
Nov. 28, 2024
"Good service and communication"
5
Nov. 28, 2024
"Dr G is a great listener and gives very practical and realistic advice."
5
Nov. 24, 2024
"As always, the service was prompt, courteous, and professional!"
5
Nov. 16, 2024
"Always had good experiences with doctor and nurses they are great"
5
Nov. 14, 2024
"Very good communication. He listens to my concerns!"
5
Nov. 13, 2024
"The Dr. Explained information regarding my concerns regarding blood tests and my concerns about whether or not I should get a shingles shot."
5
Nov. 5, 2024
"Doctor Grzegorek is a very personable and kind. He always listens to our questions without us feeling hurried."
5
Nov. 3, 2024
"Dr Grzegorek always listens to my concerns and offers his advice and options for treatment based on best practices and my individual needs. He is very patient and thorough during my visits."
5
Nov. 2, 2024
"Pleasant as always"
5
Nov. 1, 2024
"Great service and great doctor"
5
Jan. 30, 2025
"Dr. Grzegorek is the best. He listens, explains so you can understand, & really cares about you."
5
Jan. 17, 2025
"Dr G. is the absolute best!"
5
Jan. 15, 2025
"I love Dr G and have been seeing him for 20 years!"
5
Jan. 10, 2025
"Listened to me and offered immediate care for issue"
5
Jan. 4, 2025
"My Doctor is so patient and very Caring, Compassionate."
5
Jan. 2, 2025
"First time visit. Great doctor. Will continue."
5
Jan. 1, 2025
"Dr G is the very best in all areas. We love hom"
5
Dec. 29, 2024
"I felt I was treated very professionally, as always."
5
Dec. 23, 2024
"Dr. seemed in a hurry, out of all the Dr. I have seen at this facility he was by far the worst"
3
Dec. 22, 2024
"Very good experience!"
5
Dec. 12, 2024
"Dr Grzygorek is exceptionally patient & always gives me greater knowledge of my ailments in clear relatable words!"
5
Dec. 11, 2024
"Thank you Dr. G"
5
Dec. 7, 2024
"As always, Dr Grzegorek and his staff provided excellent care and addressed all my issues my wait time was minimal, and in fact, Dr Grzegorek spent extra time with me. He is my favorite physician."
5
Dec. 6, 2024
"Informative efficient and helpful"
5
Dec. 4, 2024
"I'm always pleased with the interest and concerns displayed by Dr. Grzegorek."
5
Feb. 20, 2025
"Excellent experience"
5
Feb. 19, 2025
"Good"
5
Mar. 27, 2025
"Dr. Grzegorek is a very kind person. He listens to my concerns and answers my questions. I never feel rushed."
5
Mar. 27, 2025
"Very professional and easy to talk to."
5
Feb. 11, 2025
"Always great."
5
Mar. 23, 2025
"A great experience as always. 20 plus years with my doctor. Great office staff also."
5
Feb. 5, 2025
"Dr. Grzegorek knows me and understands my medical history. He is an excellent doctor and my favorite."
5
Mar. 18, 2025
"It is always a good experience when visiting Dr. Grzegorek. My husband and I have been his patients for more than 30 years. We drive over an hour to see him. He is kind, understanding and always listens."
5
Feb. 2, 2025
"The staff and Dr are wonderful"
5
Feb. 2, 2025
"I have recommended Dr. Grzegorek to others."
5
Mar. 13, 2025
"Daniel J Grzegorek. Is both a credit and asset to DULY and the medical profession."
5
Mar. 9, 2025
"Always satisfied"
5
Mar. 9, 2025
"Very happy with the care provided by Dr. Grzegorek."
5
Mar. 6, 2025
"Never ever a problem Happy with Dr G. Great Atmosphere"
5
Mar. 6, 2025
Show More Show Less

View Similar Providers

David Dungan, MD - Lombard Doctor
David Dungan, MD
4.9
Culinary Medicine, Internal Medicine, Pediatrics
Lombard
Tingting Zhou, MD
4.7
Internal Medicine
Hinsdale
Jason D. Griffin, MD, FACP
5
Internal Medicine
Hinsdale
Christina Bratis, MD
4.8
Internal Medicine
Lisle
Ojash T. Bhagwakar, MD
4.7
Internal Medicine
Lombard
Shahla Nyaeme, MD, CMD
4.8
Geriatrics
Brookfield, Burr Ridge, Lemont
Milton Legrand, MD
4.9
Internal Medicine
Hinsdale
Anshul Pandey, MD
4.9
Internal Medicine
Lombard
April Gallik, DNP, APRN
4.9
Internal Medicine
Lisle
Rahmawati Sih, MD, FACP, CMD
4.8
Geriatrics
Burr Ridge