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Dr. Zachary Lonjers, MD

Dr. Zachary Lonjers, MD

Critical Care Medicine*

Dr. Zachary Lonjers, MD is a critical care medicine specialist in Saint Louis, MO. He is affiliated with medical facilities Barnes-Jewish West County Hospital and Barnes Jewish Hospital.

Practice

1 Barnes Jewish Hospital Plz Saint Louis, MO 63110

Make an Appointment

(314) 362-5000

At a Glance

  • Areas of Expertise
    Dr. Lonjers specializes in the areas of Critical Care Medicine, Internal Medicine & Pulmonary Disease. • See board certifications
  • Practices at Top Hospital
    Patient Safety Excellence Award™ • See hospitals
  • Hospital Satisfaction
    Patients said they were highly satisfied at this doctor's hospital. • See hospitals
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Dr. Lonjers' Reviews

Know Before You Go

About Me

biography

Dr. Zachary Lonjers, MD is a critical care medicine specialist in Saint Louis, MO. He is affiliated with medical facilities Barnes-Jewish West County Hospital and Barnes Jewish Hospital.

  • Critical Care Medicine

  • Pulmonary Disease

  • 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.

  • Loyola University Chicago Stritch School Of Medicine

    Medical School
American Board of Medical Specialties®
American Board of Internal Medicine®
- 
Critical Care Medicine
- 
Internal Medicine
- 
Pulmonary Disease
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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  • English

  • Spanish

Focus on Asthma

Locations

Practice

Barnes-Jewish Hospital1 Barnes Jewish Hospital Plz Saint Louis, MO 63110
1

Practice

Barnes Jewish West County Hospital12634 Olive Blvd Saint Louis, MO 63141
2

Affiliated Hospitals

  • Barnes-Jewish West County Hospital

    12634 Olive Blvd
    Creve Coeur, MO 63141
    Recipient of 10
    hospital awards

    Patient Safety Excellence Award™ (2025, 2024, 2023)

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

    Outstanding Patient Experience Award™ (2024, 2023, 2022)

    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.

    91%
    Patients said they were given information about recovering at home

    4% higher than the national average

    86%
    Patients said that nurses always listened to them and explained things well

    8% higher than the national average

    View all patient feedback

  • Barnes Jewish Hospital

    1 Barnes Jewish Hospital Plz
    Saint Louis, MO 63110
    Recipient of 31
    hospital awards

    America's 250 Best Hospitals Award™ (2024)

    Top 5% in the nation for consistently delivering clinical quality

    Outstanding Patient Experience Award™ (2024)

    Top 5% in the nation for consistently delivering clinical quality

    View all awards

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

    90%
    Patients said they were given information about recovering at home

    6% higher than the national average

    80%
    Patients said that doctors always listened to them and explained things well

    4% higher than the national average

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