4
5 Ratings with 2 written Reviews
Summary
Dr. Sameer Mazhar treats colon polyps, iron deficiency anemia, and acid reflux, and performs colonoscopy, lower GI endoscopy, and laparoscopy. He practices gastroenterology and internal medicine and has 24 years of experience. He speaks English and Spanish.
Dr. Mazhar earned his medical degree from Northwestern University Feinberg School of Medicine and sees patients in Winfield, Geneva, Bloomingdale, and Naperville, Illinois. He is affiliated with Rush Copley Medical Center, Northwestern Medicine Central Dupage Hospital, and Northwestern Medicine Delnor Hospital. Patients on Vitals rate Dr. Mazhar 4 out of 5.
Dr. Mazhar earned his medical degree from Northwestern University Feinberg School of Medicine and sees patients in Winfield, Geneva, Bloomingdale, and Naperville, Illinois. He is affiliated with Rush Copley Medical Center, Northwestern Medicine Central Dupage Hospital, and Northwestern Medicine Delnor Hospital. Patients on Vitals rate Dr. Mazhar 4 out of 5.
Overview based on verified provider data
Quick Facts
- accepting new patients
- 24 years of experience
- speaks English, Spanish
- Northwestern University Feinberg School Of Medicine
- 2 written reviews
- 2 specialties
- 11 areas of expertise
- 3 hospital affiliations
- 8 office locations
- Male
Patients’ Perspective
- Gave an accurate diagnosis
- Had a good bedside manner
- Spent time with me
Based on patient feedback. Read the reviews
Office Locations
Dr. Sameer Mirza Mazhar has 8 locationsNorthwestern Medicine Regional Medical Group
25 N Winfield Rd Ste 420Winfield, IL 60190 Tel: (630) 262-7400
Mon8:30 am - 4:00 pm
Tue8:30 am - 4:00 pm
Wed8:30 am - 4:00 pm
Thu8:30 am - 4:00 pm
Fri8:30 am - 2:00 pm
SatClosed
SunClosed
Northwestern Medicine Regional Medical Group
302 Randall Rd Ste 105Geneva, IL 60134Mon8:30 am - 4:00 pm
Tue8:30 am - 4:00 pm
Wed8:30 am - 4:00 pm
Thu8:30 am - 4:00 pm
Fri8:30 am - 4:00 pm
SatClosed
SunClosed
Northwestern Medical Group
636 Raymond Dr Ste 204Naperville, IL 60563Mon8:00 am - 7:00 pm
Tue8:00 am - 7:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 7:00 pm
Fri8:00 am - 4:00 pm
SatClosed
SunClosed
Northwestern Medicine Regional Medical Group Gastroenterology
25 N Winfield Rd Ste 420Winfield, IL 60190 Tel: (630) 262-7400
Mon8:30 am - 4:00 pm
Tue8:30 am - 4:00 pm
Wed8:30 am - 4:00 pm
Thu8:30 am - 4:00 pm
Fri8:30 am - 4:00 pm
Sat8:30 am - 2:00 pm
SunClosed
Northwestern Medicine Regional Medical Group Gastroenterology Delnor
302 Randall Rd Ste 105Geneva, IL 60134Mon8:30 am - 4:00 pm
Tue8:30 am - 4:00 pm
Wed8:30 am - 4:00 pm
Thu8:30 am - 4:00 pm
Fri8:30 am - 4:00 pm
Sat8:30 am - 2:00 pm
SunClosed
Compare with Similar Doctors
 |  |  |  |
| Dr. Sameer Mirza Mazhar, MD | Jan Seiler, APRN | Dr. Yogesh Patel, DO | Dr. Darran Moxon, MD |
| Gastroenterology | Gastroenterology | Gastroenterology | Gastroenterology |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | Accepts New Patients |
| 24 Years of Experience | |||
| No Virtual Visit Option | Virtual Visit Available | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English, Spanish | Speaks English | Speaks English | Speaks English |
| Winfield , IL | Montgomery , AL | St Charles , IL | St Charles , IL |
| Med School: Northwestern University Feinberg School Of Medicine | Med School: Georgia State University | Med School: Chicago College Of Osteopathic Medicine | Med School: University of Illinois |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Sameer Mirza Mazhar
Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.
Medical Specialties
Dr. Sameer Mirza Mazhar has the following 2 specialties
Specialty Expertise
Dr. Sameer Mirza Mazhar has the following 11 areas of expertise
Certifications, License, & Education
24 Years Experience
Dr. Sameer Mirza Mazhar holds an expired medical license in the state of Illinois.
Medical License
Medical Doctor with an expired medical license in the state of Illinois that expired in 2026.
Education & Training
Medical School
Graduated from Northwestern University Feinberg School Of Medicine in 2002.
NPI Number
Dr. Mazhar's NPI number is 1497932461.
Similar doctors
Frequently Asked Questions
- Where is Dr. Sameer Mazhar's office located?
- Dr. Sameer Mazhar's office is located at 25 N Winfield Rd, Winfield, IL, 60190.
- Which hospitals is Dr. Sameer Mazhar affiliated with?
- Dr. Sameer Mazhar is affiliated with Rush Copley Medical Center, Northwestern Medicine Central Dupage Hospital, and Northwestern Medicine Delnor Hospital.
- Does Dr. Sameer Mazhar accept my insurance?
- You can see the insurance plans that Dr. Sameer Mazhar accepts on their Vitals profile.
- Does Dr. Sameer Mazhar accept virtual/telehealth appointments?
- Dr. Sameer Mazhar has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- How can I make an appointment with Dr. Sameer Mazhar?
- You can find contact information for Dr. Sameer Mazhar here on Vitals.
Ensuring Data Transparency and Trust: A Guide to Vitals Doctor Listings and Reviews
Our provider data is gathered directly from physicians and publicly available databases. Providers who verify their profiles gain the ability to update information, offering additional details about their specialties,education, treated conditions, performed procedures, and accepted insurances.
Reviews on Vitals are submitted by users only. Recognizing the valuable insights these reviews offer into a doctor's reputation, we maintain internal policies and protocols to ensure the quality and accuracy of all reviews. Importantly, providers cannot delete or alter reviews independently. Reviews can only be deleted or changed following an internal assessment by our customer service team.
Your feedback is highly valued and we encourage you to contact our support team should you encounter any issues.
