Skip to main content
Douglas Summerfield, MD, Internal Medicine, Mason City, IA

Douglas T Summerfield MD

Critical Care Medicine, Hospital Medicine/Hospitalist


Physician

Join to View Full Profile
  • 1000 4th St SWMason City, IA 50401

  • Phone+1 641-428-6999

  • Fax+1 641-428-6678

Dr. Summerfield is on Doximity

As a Doximity member you'll join over two million verified healthcare professionals in a private, secure network.

  • Gain access to free telehealth tools, such as our “call shielding” and one-way patient texting.
  • Connect with colleagues in the same hospital or clinic.
  • Read the latest clinical news, personalized to your specialty.

Education & Training

  • Mayo Clinic College of Medicine and Science (Rochester)
    Mayo Clinic College of Medicine and Science (Rochester)Residency, Public Health and General Preventive Medicine, 2013 - 2015
  • Mayo Clinic College of Medicine and Science (Rochester)
    Mayo Clinic College of Medicine and Science (Rochester)Fellowship, Critical Care Medicine (Internal Medicine), 2011 - 2013
  • Old Dominion University
    Old Dominion UniversityResidency, Internal Medicine, 2007 - 2010
  • Creighton University School of Medicine
    Creighton University School of MedicineClass of 2007

Certifications & Licensure

  • IA State Medical License
    IA State Medical License 2013 - 2025
  • MN State Medical License
    MN State Medical License 2020 - 2023
  • VA State Medical License
    VA State Medical License 2007 - 2012
  • Internal Medicine
    American Board of Internal Medicine Internal Medicine
  • Critical Care Medicine
    American Board of Internal Medicine Critical Care Medicine
  • Aerospace Medicine
    American Board of Preventive Medicine Aerospace Medicine

Publications & Presentations

PubMed

Viewing the full profile is available to verified healthcare professionals only.

Find your profile and take control of your online presence: