4.4
5 Ratings
Summary
Dr. John Flack is an internal medicine physician with 44 years of experience treating adult patients. He earned his medical degree from the University of Oklahoma College of Medicine in Oklahoma City and completed his internal medicine residency training at Oklahoma Memorial Hospital and Fairview-University Medical Center. Dr. Flack is board-certified in internal medicine by the American Board of Internal Medicine and speaks English.
Dr. Flack practices in Springfield, Illinois, where he sees patients at both the SIU Medicine General Internal Medicine Clinic and the SIU Medicine Hypertension Clinic. He specializes in managing high blood pressure conditions, including hypertensive emergencies and pediatric hypertension cases. His practice includes performing diagnostic blood tests such as complete blood counts and kidney function assessments. Patients rate Dr. Flack 4.4 out of 5 stars on average.
Dr. Flack practices in Springfield, Illinois, where he sees patients at both the SIU Medicine General Internal Medicine Clinic and the SIU Medicine Hypertension Clinic. He specializes in managing high blood pressure conditions, including hypertensive emergencies and pediatric hypertension cases. His practice includes performing diagnostic blood tests such as complete blood counts and kidney function assessments. Patients rate Dr. Flack 4.4 out of 5 stars on average.
AI-generated from data on this provider profile.
Quick Facts
- accepting new patients
- 44 years of experience
- 24 insurance plans accepted
- speaks English
- Okla Meml Hop
- 1 specialty
- 15 areas of expertise
- 1 board certification
- 2 office locations
- Male
Office Locations
Dr. John Flack has 2 locationsSIU Medicine General Internal Medicine Clinic
751 N Rutledge StSpringfield, IL 62702 Tel: (217) 545-8000
SIU Medicine Hypertension Clinic
747 N Rutledge St Room 4055Springfield, IL 62702 Tel: (217) 545-8000
Compare with Similar Doctors
 |  | | |
| Dr. John Flack, MD | Dr. Firas Aubeid, MD, MBA, FACP | Dr. Griffin Edward Ludwig | Dr. Marc Thomas Ramseyer |
| Internal Medicine | Internal Medicine | Diagnostic Radiology | Hospital Medicine |
| Accepts New Patients | Accepts New Patients | ||
| 44 Years of Experience | 19 Years of Experience | 6 Years of Experience | 6 Years of Experience |
| No Virtual Visit Option | Virtual Visit Available | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English | Speaks English | ||
| Springfield , IL | NEW LENOX , IL | Springfield , IL | Springfield , IL |
| Med School: University of Ok Coll of Med, Oklahoma City Ok | Med School: University Of Aleppo Faculty Of Medicine | Med School: Southern Illinois University School Of Medicine | Med School: St Georges University School Of Medicine |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. John Flack
Medical Specialties
Dr. John Flack has the following specialty
Specialty Expertise
Dr. John Flack has the following 15 areas of expertise
Certifications, License, & Education
44 Years Experience
BOARD CERTIFICATIONS
American Board of Internal Medicine
Internal medicine
MEDICAL LICENSE
Medical Doctor, Illinois, 2026, Active
EDUCATION & TRAINING
Residency
Okla Meml Hop
Okla Meml Hosp
Fairview-Univ Med Ctr, Internal Medicine; Univ Ok Hlth Sci Ctr, Internal Medicine
Medical School
University of Ok Coll of Med, Oklahoma City OkGraduated in 1982
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Frequently Asked Questions
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- Dr. John Flack is accepting new patients on Vitals. View Dr. John Flack's profile on Vitals to make an appointment.
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- Dr. John Flack 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. John Flack?
- You can find contact information for Dr. John Flack here on Vitals.
- Does Dr. John Flack accept my insurance?
- You can see the insurance plans that Dr. John Flack accepts on their Vitals profile.
- What languages does Dr. John Flack speak?
- Dr. John Flack speaks English.
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