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Dr. Ann Hagedorn, MD

Dr. Ann Hagedorn, MD

Internal Medicine*
25+ years of experience

Dr. Ann Hagedorn, MD is an internist in O Fallon, IL and has over 25 years of experience in the medical field. She graduated from UNIVERSITY OF MISSOURI / KANSAS CITY CAMPUS in 1999. She is affiliated with medical facilities such as Memorial Hospital Belleville and HSHS St. Elizabeth's Hospital. She is accepting telehealth appointments.

Practice

1 Saint Elizabeth Blvd O Fallon, IL 62269
Telehealth available
(510) 350-2777

At a Glance

  • Area of Expertise
    Dr. Hagedorn specializes in the area of Internal Medicine. • See board certifications
  • Offers Telehealth
    This doctor offers telehealth appointments. Call the office to schedule an appointment.
  • Practices at Top Hospital
    Outstanding Patient Experience Award™ • See hospitals
  • Hospital Satisfaction
    Patients said they were highly satisfied at this doctor's hospital. • See hospitals
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Dr. Hagedorn's Reviews

Know Before You Go

About Me

biography

Dr. Ann Hagedorn, MD is an internist in O Fallon, IL and has over 25 years of experience in the medical field. She graduated from UNIVERSITY OF MISSOURI / KANSAS CITY CAMPUS in 1999. She is affiliated with medical facilities such as Memorial Hospital...read more

  • Internal Medicine

*Healthgrades does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.

  • University Of Missouri / Kansas City Campus

    Medical School, 1999
American Board of Medical Specialties®
American Board of Internal Medicine®
- 
Internal Medicine
For detailed information about any of the below board actions, please search for the provider's records on the linked state licensing board or the Federation of State Medical Boards. To learn more about the difference between these sources, please refer to our FAQs.
Healthgrades has not received any data indicating a board action exists for this provider.

Healthgrades receives board action history for physicians and physician assistants. The information displayed here is sourced from independent information providers, such as state board websites, and may not be the most up-to-date information. Healthgrades makes no representations with respect to the accuracy of any information provided here and assumes no responsibility or liability for such information.

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Locations

Practice

St Elizabeths Hospital of the Hospital Sisters of the Third Order1 Saint Elizabeth Blvd O Fallon, IL 62269
1

Practice

HSHS Holy Family Hospital In Greenville200 Health Care Dr Greenville, IL 62246
2

Practice

Memorial Medical Group LLC4550 Memorial Dr Ste 340 Belleville, IL 62226
3
Helia Southbelt Healthcare101 S Belt W Belleville, IL 62220
4

Affiliated Hospitals

  • HSHS St. Elizabeth's Hospital

    1 Saint Elizabeth Blvd
    O Fallon, IL 62269
    Recipient of 4
    hospital awards

    Outstanding Patient Experience Award™ (2024, 2023)

    Top in the nation for overall patient experience based on nine measures related to doctor and nurse communication, hospital cleanliness and noise levels, and medication and post-discharge care instructions

    View all awards

    How patients felt about the care they received at this hospital.

    88%
    Patients said they were given information about recovering at home

    4% higher than the national average

    81%
    Patients said that nurses always listened to them and explained things well

    6% higher than the national average

    View all patient feedback

  • HSHS St. Joseph's Hospital Breese

    9515 Holy Cross Ln
    Breese, IL 62230

    How patients felt about the care they received at this hospital.

    89%
    Patients said they were given information about recovering at home

    1% higher than the national average

    85%
    Patients said that doctors always listened to them and explained things well

    3% higher than the national average

    View all patient feedback

  • Memorial Hospital Belleville

    4500 Memorial Dr
    Belleville, IL 62226
    Recipient of 3
    hospital awards

    Patient Safety Excellence Award™ (2025)

    Top in the nation for providing excellence in patient safety by preventing infections, medical errors, and other preventable complications

    Outstanding Patient Experience Award™ (2024)

    Top in the nation for providing excellence in patient safety by preventing infections, medical errors, and other preventable complications

    View all awards

    How patients felt about the care they received at this hospital.

    88%
    Patients said they were given information about recovering at home

    4% higher than the national average

    81%
    Patients said that nurses always listened to them and explained things well

    6% higher than the national average

    View all patient feedback
Learn more about how Healthgrades measures Hospital Quality