Overview
John Flack is a primary care provider, practicing in Internal Medicine in Springfield, Illinois. Dr. Flack has been practicing medicine for over 43 years and is rated as a Distinguished provider by MediFind in the treatment of Hypertensive Heart Disease. His top areas of expertise are Hypertension, Hypertensive Heart Disease, Hyperaldosteronism, and Familial Hyperaldosteronism. Dr. Flack is currently accepting new patients.
His clinical research consists of co-authoring 111 peer reviewed articles and participating in 4 clinical trials. MediFind looks at clinical research from the past 15 years. In particular, he has co-authored 8 articles in the study of Hypertensive Heart Disease.
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- EPO
- INSURANCE PLAN
- MEDICARE MAPD
- MEDICARE PDP
- OTHER COMMERCIAL
- OTHER MEDICARE
- PPO
- EPO
- HMO
- PPO
- MEDICARE MAPD
- OTHER MEDICARE
- MEDICARE PDP
- EPO
- HMO
- POS
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- HMO
- INDEMNITY
- POS
- PPO
- OTHER MANAGED MEDICAID
- OTHER MEDICAID
- STATE MEDICAID
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE
- OTHER MEDICARE PART D
Locations
751 N Rutledge St, Springfield, IL 62702
Clinical Research
Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.
4 Clinical Trials
Jersey Community Hospital
Donald Murray is a primary care provider, practicing in Internal Medicine in Jerseyville, Illinois. Dr. Murray is rated as an Advanced provider by MediFind in the treatment of Hypertensive Heart Disease. His top areas of expertise are Lung Metastases, Glucocorticoid-Remediable Aldosteronism, Hypertension, and Familial Hypertension.
Decatur Memorial Hospital
Michael Wall is a primary care provider, practicing in Family Medicine and Internal Medicine in Forsyth, Illinois. Dr. Wall is rated as an Advanced provider by MediFind in the treatment of Hypertensive Heart Disease. His top areas of expertise are Hypertensive Heart Disease, Otitis, Coronary Heart Disease, and Lung Cancer. Dr. Wall is currently accepting new patients.
Jersey Community Hospital
Lester Crancer is a primary care provider, practicing in Internal Medicine in Jerseyville, Illinois. Dr. Crancer is rated as an Advanced provider by MediFind in the treatment of Hypertensive Heart Disease. His top areas of expertise are Hypertensive Heart Disease, Coronary Heart Disease, Heart Failure with Preserved Ejection Fraction (HFpEF), and Lung Cancer. Dr. Crancer is currently accepting new patients.
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
- Elite
- HypertensionDr. Flack isElite. Learn about Hypertension.
- Distinguished
- Hypertensive Heart DiseaseDr. Flack isDistinguished. Learn about Hypertensive Heart Disease.
- Advanced
- HyperaldosteronismDr. Flack isAdvanced. Learn about Hyperaldosteronism.
- Experienced
- CalcinosisDr. Flack isExperienced. Learn about Calcinosis.
- Chronic Kidney DiseaseDr. Flack isExperienced. Learn about Chronic Kidney Disease.
- Coronary Heart DiseaseDr. Flack isExperienced. Learn about Coronary Heart Disease.
- Familial DysautonomiaDr. Flack isExperienced. Learn about Familial Dysautonomia.
- Familial HyperaldosteronismDr. Flack isExperienced. Learn about Familial Hyperaldosteronism.
- Familial HypertensionDr. Flack isExperienced. Learn about Familial Hypertension.