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John Flack, MD, Internal Medicine, Springfield, IL, HSHS St. John's Hospital

JohnMarkFlackMD

Internal Medicine • Springfield, IL

Hypertension Wayne State Universty Physician Group, Department of Medicine

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Education & Training

  • University of Oklahoma Health Sciences Center
    University of Oklahoma Health Sciences CenterResidency, Internal Medicine, 1982 - 1986
  • University of Oklahoma College of Medicine
    University of Oklahoma College of MedicineClass of 1982

Certifications & Licensure

  • IL State Medical License
    IL State Medical License 2015 - 2026
  • MI State Medical License
    MI State Medical License 1997 - 2016
  • NC State Medical License
    NC State Medical License 1994 - 1998
  • MN State Medical License
    MN State Medical License 1988 - 1995
  • OK State Medical License
    OK State Medical License 1983 - 1989
  • American Board of Internal Medicine Internal Medicine

Awards, Honors, & Recognition

  • Regional Top Doctor Castle Connolly, 2014
  • Super Doctor SuperDoctors.com

Clinical Trials

Publications & Presentations

PubMed

Lectures

  • Women in Medicine: A New Era of Leadership 
    2019 ACP Internal Medicine Meeting, Philadelphia - 4/10/2019

Press Mentions

  • Are Heart Rate and Blood Pressure the Same? No, and It's Important to Understand Why
    Are Heart Rate and Blood Pressure the Same? No, and It's Important to Understand WhyMay 16th, 2023
  • Post-Vaccine Myocarditis Is Not ‘Mild’, Warn Doctors
    Post-Vaccine Myocarditis Is Not ‘Mild’, Warn DoctorsAugust 26th, 2022
  • Letter to the UK Government from 76 Doctors
    Letter to the UK Government from 76 DoctorsJuly 6th, 2022
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Grant Support

  • Obesity, Nitric Oxide, Oxidative Stress, And SALT SensitivityNational Institute Of Environmental Health Sciences2007
  • Administrative CoreNational Institute Of Environmental Health Sciences2007
  • Center For African American Urban HealthNational Institute Of Environmental Health Sciences2003–2007
  • Blood Pressure Lowering Mechanisms Of Angiotensin Converting EnzymeNational Center For Research Resources1996–1997
  • Study Coronary Heart Disease Risk In Young AdultsDivision Of Epidemiology And Clinical Applications1991–1994

Research History

  • Post-doctdoral Research FellowNIH post-doctoral fellow in cardiovascular epidemiology at the University of Minnesota School of Public Health, Division of Epidemiology; Richard Grimm, MD, PHD (Primary Mentor)1988 - 1990

Professional Memberships

Hospital Affiliations

Dr. John Flack, Dr. John Flack, MD, Dr. J Flack, Dr. John Mark Flack