Dr. Alan H. Wang, MD | Naperville, IL | Gastroenterology

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Dr. Alan Wang is a gastroenterology specialist with 24 years of experience treating digestive system disorders. He earned his medical degree from Nova Southeastern College of Osteopathic Medicine and completed his residency at Jefferson University Hospitals in 2005. Dr. Wang went on to complete a fellowship in gastroenterology at Geisinger Medical Center in Danville, Pennsylvania, where he served as Chief Fellow in 2008. He is board certified in internal medicine through the American Board of Internal Medicine and provides care in English.

Dr. Wang practices at multiple Duly Health and Care locations throughout Illinois, including Naperville, Lockport, Downers Grove, Oakbrook Terrace, Tinley Park, and Warrenville. He maintains hospital affiliations with Edward Hospital, Advocate Good Samaritan Hospital, and Prime Healthcare Saint Joseph Medical Center Joliet. His clinical expertise includes treating colon polyps, hemorrhoids, and diverticular disease. Dr. Wang performs colonoscopies, …lower GI endoscopy procedures, and pathology tests to diagnose and monitor digestive conditions. Patients rate him 4.6 out of 5 stars on average.

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accepting new patients
4.6

35 Ratings
24 years of experience
speaks English
Geisinger Medical Center, Danville, PA Chief Fellow - Gastroenterology
17 written reviews
1 specialty
11 areas of expertise
2 board certifications
3 hospital affiliations
6 office locations
Male

Flexible scheduling

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35 ratings & reviews

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Showing 1 to 10 of 17 reviews

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Dr Wang has the best "bedside" manner so personable and friendly!! Answering everything and did not feel rushed!!

December 20th, 2025 | Source: Partner

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Dr. Wang is the nicest doctor, especially in his field of expertise. He is wonderful to work with on a continuing basis. Thank you!

December 20th, 2025 | Source: Partner

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Visited Dr. Wang to schedule a colonoscopy. He understood my issues and reason for the procedure.

April 25th, 2025 | Source: Partner

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Always attentive too my husband needs!

March 16th, 2025 | Source: Partner

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Dr. Wang is a very knowledgeable professional and caring physician. With my first appointment I was fairly stressed and nervous. He listened to my story and was very reassuring from the start. I relaxed and enjoy my annual checkups now.

February 5th, 2025 | Source: Partner

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Very friendly and informative. He put my fears at ease. Explained what I needed to know and was easy to understand.

November 30th, 2024 | Source: Partner

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Dr Wang and his team are Wonderful! Always a pleasure to everyone!!!

November 4th, 2024 | Source: Partner

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I just love having Dr. Wang as my gastrologist. He is very knowledgeable, patient, caring, and funny. He has such a fantastic rapport with me. He has solved a couple issues I was having. I trust him with being one of my healthcare physicians. He really cares and really listens to you. He ask the questions so he knows what is going on. He comes in very prepared. His staff works like an well oiled machine. I feel I can ask him anything and know that I will get the right care. He is one of my favorite doctors!! Smile He truly is a asset to the Duly Health and Care and the gastrologist department. I highly recommend those who need to see a gastrologist to see him. He has an A+ In my book!!

November 2nd, 2024 | Source: Partner

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this comment is 3 years delayed. 3 years ago my husband was having trouble swallowing. We went to the office to try and get seen immediately. There were three doctors in the office at the time and nobody would see us. I was pleading with the receptionist. Dr. Wang happened to be walking by. It turned out he wasn't even coming into work. He was just picking up some papers. He overheard my conversation with the receptionist and he stepped in. He took me and my husband back to his office. There wasn't even a patient room available so he saw us in his private office. Within 10 minutes he had us scheduled for a scope test the very next day! He found a big cancer in my husband's stomach. He sent us to the University of Chicago where we had excellent Cancer Care. My husband just passed away. But because of Dr. Wang I had 3 years to spend with him. We traveled we renewed our vows and he passed peacefully at home. If not for Dr. Wang's kindness my husband would have died a long… time ago. We are forever grateful.

October 19th, 2019

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Dr Wang is very patient focused and caring.

August 7th, 2017

Duly Health and Care

100 Spalding DrNaperville, IL 60540

Tel: (630) 717-2600

Mon8:00 am - 5:00 pm

Tue8:00 am - 5:00 pm

Wed8:00 am - 5:00 pm

Thu8:00 am - 5:00 pm

Fri8:00 am - 5:00 pm

SatClosed

SunClosed

Duly Health and Care

1206 E 9th StLockport, IL 60441

Tel: (630) 717-2600

Mon9:00 am - 9:00 pm

Tue9:00 am - 9:00 pm

Wed9:00 am - 9:00 pm

Thu9:00 am - 9:00 pm

Fri9:00 am - 9:00 pm

Sat9:00 am - 4:00 pm

Sun9:00 am - 4:00 pm

Duly Health and Care

5207 Main StDowners Grove, IL 60515

Tel: (630) 717-2600

Mon8:00 am - 5:00 pm

Tue8:00 am - 6:30 pm

Wed7:30 am - 5:00 pm

Thu7:30 am - 5:00 pm

Fri7:00 am - 4:30 pm

Sat8:00 am - 1:00 pm

SunClosed

Duly Health and Care

2 Transam Plaza DrOakbrook Terrace, IL 60181

Tel: (630) 717-2600

Duly Health and Care

17495 La Grange RdTinley Park, IL 60487

Tel: (630) 717-2600

Duly Health and Care

4575 Weaver PkwyWarrenville, IL 60555

Tel: (630) 717-2600


Dr. Alan H Wang, MD	Dr. Yogesh Patel, DO	Jan Seiler, APRN	Ji Soo Choi, APRN
Gastroenterology	Gastroenterology	Gastroenterology	Gastroenterology
Accepts New Patients	Accepts New Patients	Accepts New Patients	Accepts New Patients
4.6 (35 Ratings)	3.8 (31 Ratings)	0 (0 Ratings)	0 (0 Ratings)
24 Years of Experience
No Virtual Visit Option	No Virtual Visit Option	Virtual Visit Available	Virtual Visit Available
Speaks English	Speaks English	Speaks English	Speaks English
Naperville , IL	St Charles , IL	Montgomery , AL	SACRAMENTO , CA
Med School: Nova Southeastern College Of Osteopathic Medicine	Med School: Chicago College Of Osteopathic Medicine	Med School: Georgia State University	Med School: New York University
Current Profile	View Profile	View Profile	View Profile

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Gastroenterology

Abdominal Pain
Acid Reflux Disease (Gastroesophageal Reflux / GERD)
Acid Reflux Disease (GERD)
Celiac Disease
Colonoscopy
Constipation
Hemorrhoids
Hepatitis C
Irritable Bowel Syndrome (IBS)
Nutritional Support
Ulcerative Colitis

BOARD CERTIFICATIONS

American Board of Internal Medicine

Internal medicine

MEDICAL LICENSE

Medical Doctor, Illinois, 2026, Active

EDUCATION & TRAINING

Fellowship

Geisinger Medical Center, Danville, PA Chief Fellow - Gastroenterology2008

Geisinger Health System Gastroenterology2008

Residency

Jefferson University Hospitals2005

Medical School

Nova Southeastern College Of Osteopathic MedicineGraduated in 2008

Wayne State Universtiy School Of MedicineGraduated in 2002

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Does Dr. Alan Wang accept virtual/telehealth appointments?: Dr. Alan Wang has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Does Dr. Alan Wang accept my insurance?: You can see the insurance plans that Dr. Alan Wang accepts on their Vitals profile.
How can I make an appointment with Dr. Alan Wang?: You can find contact information for Dr. Alan Wang here on Vitals.
Which hospitals is Dr. Alan Wang affiliated with?: Dr. Alan Wang is affiliated with Edward Hospital, Advocate Good Samaritan Hospital, and Prime Healthcare Saint Joseph Medical Center Joliet.
Is Dr. Alan Wang accepting new patients?: Dr. Alan Wang is accepting new patients on Vitals. View Dr. Alan Wang's profile on Vitals to make an appointment.

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