Expertise in
3
conditions

Dr. John M. Flack

Internal Medicine
Siu Medicine General Internal Medicine Clinic
751 N Rutledge St, 
Springfield, IL 
Accepting New Patients
Expertise in
3
conditions
Siu Medicine General Internal Medicine Clinic
751 N Rutledge St, 
Springfield, IL 

Overview

John Flack is a primary care provider, practicing in Internal Medicine in Springfield, Illinois.

Dr. Flack is highly rated in 3 conditions, according to our data. His clinical expertise encompasses Hypertension, Hypertensive Heart Disease, Hyperaldosteronism, and Familial Hyperaldosteronism.

He is actively involved in clinical research, co-authoring 112 peer reviewed articles and participating in 4 clinical trials. Dr. Flack is currently accepting new patients.

Specialties

Internal Medicine

Licenses

Internal Medicine in IL

Hospital Affiliations

Memorial Medical Center

Languages Spoken

English

Gender

Male

Insurance

Accepted insurance can change. Please verify directly with the provider.

Find your insurance
Find your insuranceClose

Accepted insurance plans:

Aetna
  • EPO
  • HMO
  • POS
  • PPO
Anthem BCBS
  • EPO
  • HMO
  • POS
  • PPO
Blue Cross Blue Shield
  • EPO
  • HMO
  • POS
  • PPO
Cambia Health Solutions
  • EPO
  • INSURANCE PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • PPO
Cigna
  • EPO
  • HMO
  • PPO
Devoted Health
  • MEDICARE MAPD
  • OTHER MEDICARE
Dominion National
  • MEDICARE PDP
Health Alliance
  • EPO
  • HMO
  • POS
  • PPO
Health Care Services Corporation
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
  • PPO
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Managed Medicaid
  • OTHER MANAGED MEDICAID
Medicaid
  • OTHER MEDICAID
  • STATE MEDICAID
Meridian Choice
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
Wellcare
  • EPO
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
View 10 Less Insurance Carriers -

Locations

Siu Medicine General Internal Medicine Clinic
751 N Rutledge St, Springfield, IL 62702

Frequently Asked Questions about Dr. John M. Flack

How do I make an appointment with Dr. John M. Flack?

You can book an appointment with Dr. John M. Flack by calling their office at 217-545-8000. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.

Is Dr. John M. Flack a top-rated expert for Hypertension?

MediFind is an objective health platform that identifies experts based on real-world data. Dr. John M. Flack is classified as an Elite expert for Hypertension, meaning they are among the top experts in the country for this condition. This ranking is based on their volume of patients, published research, and peer connections.

What conditions does Dr. John M. Flack specialize in?

While Dr. John M. Flack is a Internal Medicine, they have specific expertise in Hypertension, Hypertensive Heart Disease, and Hyperaldosteronism. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Internal Medicine.

Does Dr. John M. Flack accept my insurance?

Dr. John M. Flack accepts most major insurance plans, including Aetna and Anthem BCBS. We recommend calling the office directly at 217-545-8000 to verify that your specific plan is currently accepted before your visit.

Areas of Expertise

MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.

Learn more about MediFind’s expert tiers

Find Dr. Flack's expertise for a condition
ConditionClose
View All 14 Experienced Conditions
Want to save this doctor for later?
Sign Up
Is this your doctor?
Find A Second Opinion
Not sure about your diagnosis?
Check Your Symptoms
 
 
 
 
Learn about our expert tiers
Learn More
Are you the provider on this profile?
Claim Profile