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Catherine Simpson

Catherine Simpson, MD, MHS

Pulmonology

Accepting New Patients

Highlights

Age Groups Seen

  • Young Adult 18-25
  • Adult 26-64
  • Older Adult 65+

Languages

  • English

Gender

Female

Johns Hopkins Affiliations:

  • Johns Hopkins School of Medicine Faculty

About Catherine Simpson

Professional Titles

Associate Program Director of Research

Primary Academic Title

Associate Professor of Medicine

Johns Hopkins Physician

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Background

Dr. Catherine Simpson is an associate professor of medicine at the Johns Hopkins University School of Medicine. Her areas of clinical expertise include internal medicine, pulmonary and critical care medicine, and pulmonary vascular diseases. 

Dr. Simpson earned her M.D. from the Louisiana State University School of Medicine. She completed her residency at Johns Hopkins, where she also performed a fellowship in pulmonary and critical care medicine and earned her M.H.S. degree from the Johns Hopkins Bloomberg School of Public Health.

Dr. Simpson serves as a faculty member in the Johns Hopkins Pulmonary Hypertension Program, evaluating and treating patients with all forms of pulmonary hypertension (PH). In addition, she runs a patient-oriented translational research program that leverages high-dimensional data, including multi-omics and detailed physiologic data, to elucidate distinct disease phenotypes, biomarkers predictive of clinical worsening, and mechanisms of disease progression in PH and RV failure.

Locations

  1. Levi Watkins, Jr., M.D., Outpatient Center

Expertise

Education

  • Fellowship: Johns Hopkins University School of Medicine, Pulmonary and Critical Care Medicine, 2020
  • Graduate School: Johns Hopkins Bloomberg School of Public Health, MHS, 2019
  • Fellowship: Johns Hopkins University School of Medicine, Pulmonary and Critical Care Medicine, 2016
  • Residency: Johns Hopkins University School of Medicine, Internal Medicine, 2015
  • Medical Education: LSU Health New Orleans School of Medicine, MD, 2012

Board Certifications

  • Critical Care Medicine: American Board of Internal Medicine, 2022
  • Pulmonary Disease: American Board of Internal Medicine, 2020

Insurance

Search plans
  • Aetna
  • CareFirst
  • Cigna
  • First Health
  • Geisinger Health Plan
  • HealthSmart/Accel
  • Johns Hopkins Health Plans
  • MultiPlan
  • Pennsylvania's Preferred Health Networks (PPHN)
  • Point Comfort Underwriters
  • Private Healthcare Systems (PHCS)
  • Veteran Affairs Community Care Network (Optum-VACCN)

Ratings & Reviews

4.9 out of 5

36 ratings, 14 reviews

The Patient Rating score is an average of all responses to physician related questions on the national CG-CAHPS Medical Practice patient experience survey through Press Ganey. Responses are measured on a scale of 1 to 5, with 5 being the best score. Comments are also gathered from our CG-CAHPS Medical Practice Survey through Press Ganey and displayed in their entirety. Patients are de-identified for confidentiality and patient privacy.

Search reviews
    5 out of 5 stars
    Reviewed on 4/30/2026

    Was a stressful visit because I have heart problems but the doctor was terrific. No concerns with her just the information she was providing me was concerning.

    5 out of 5 stars
    Reviewed on 4/30/2026

    Dr. Simpson explain everything on a very professional way and take care on meticulous way of the patient care.

    5 out of 5 stars
    Reviewed on 4/16/2026

    This provider is very excellent easy to talk to and very thorough.

    5 out of 5 stars
    Reviewed on 4/9/2026

    The Dr is very caring and takes care of my concerns.

    5 out of 5 stars
    Reviewed on 3/26/2026

    Excellent.

    5 out of 5 stars
    Reviewed on 3/12/2026

    Dr. Catherine Elizabeth Simpson is the best!

    4 out of 5 stars
    Reviewed on 2/26/2026

    First visit. I really dont have anything to compare it with. She was very nice and considerate.

    5 out of 5 stars
    Reviewed on 1/8/2026

    I am very pleased with my provider. She takes time to explain things to me and she answers questions I may have without rushing me.

    5 out of 5 stars
    Reviewed on 12/4/2025

    My provider is excellent and she cares

    5 out of 5 stars
    Reviewed on 10/30/2025

    My provider is very knowledgeable and shows concern for my health

    5 out of 5 stars
    Reviewed on 10/30/2025

    Dr. Simpson is knowledgeable and kind. I'm fortunate to be her patient.

    5 out of 5 stars
    Reviewed on 10/30/2025

    Only positive report

    5 out of 5 stars
    Reviewed on 10/2/2025

    Catherine Simpson was professional and kind, very knowledgeable

    5 out of 5 stars
    Reviewed on 9/25/2025

    She is very thorough with questions and with instructions for me.