Darling Agnet Ruiz Cerrato, MD MS| Critical Care Medicine, Pulmonary Medicine | MedStar Health
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Darling Agnet Ruiz Cerrato

Darling Agnet Ruiz Cerrato, MD MS
Provider is directly employed by MedStar Health

4.8 out of 5 (104 reviews)

Specialties: Critical Care Medicine, Pulmonary Medicine

Languages: English, Spanish

About me

As a Board Certified/Board eligible critical care physician, all conditions requiring intensive care in the medical, surgical, or neurosciences ICU are treated.

About the Provider

Darling Ruiz, MD, is an attending pulmonary and critical care physician at MedStar Washington Hospital Center. She specializes in the diagnosis and treatment of ailments and illnesses of the lungs, including asthma, COPD, interstitial lung disease, and unknown causes of shortness of breath and cough. Dr. Ruiz uses a wide range of diagnostic testing in her practice, including bronchoscopy, endobronchial ultrasound, and transbronchial needle aspiration. Her clinical interests include evaluation and management of interstitial lung disease, the use of endobronchial ultrasound for lung cancer screening and staging, and treating patients with COPD, asthma, and sarcoidosis.

Dr. Ruiz received her medical degree from the Universidad Nacional Autónoma de Nicaragua in Managua, Nicaragua. Dr. Ruiz then served as an attending general practitioner at Matron Roberts Polyclinic II in Belize City, Belize before joining Saint Agnes Hospital in Baltimore, MD for a three-year internal medicine residency, where she served as Chief Resident and was named Intern of the Year for 2013-2014. Dr. Ruiz completed a specialty fellowship in pulmonary and critical care at MedStar Washington Hospital Center, where she also served as Chief Fellow. She is a member of the American Thoracic Society and the American College of Chest Physicians.

Dr. Ruiz is fluent in Spanish. 

Philosophy of Care

“My goal is to not only improve the health of my patients but to improve their quality of life. I follow and implement best practices and guidelines, heavily taking into consideration the preferences, priorities, and treatment goals of my patients. Collaborating with my patients is important to me. I take the time to practice clear communication with my patients so that they fully understand their diagnosis and treatment options and are therefore able to make informed decisions regarding their care.”

Conditions and procedures

Conditions I treat

  • Asthma
  • Chronic Cough
  • Chronic Obstructive Pulmonary Disease (COPD)
  • Dyspnea
  • Emphysema
  • Hypoxia
  • Pneumonia
  • Pneumothorax
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Procedures I perform

  • Bronchoscopy
  • Lung Cancer Screening
  • Pulmonary Embolism
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Practice locations

Distance from Change Location Enter your Location

110 Irving St NW
Rm 1A-50B
Washington, DC, 20010

202-877-0333
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miles away

Fax 202-877-0341

Insurance

This list represents the major payors accepted by MedStar Health.

NOTE: Payor contracts change and not all plans associated with a payor may be covered. Payors may offer multiple plans. If you have a question related to your insurance, please contact your insurance plan directly. Contact information is located on your health insurance ID card.

*Denotes limited participation. Specific providers and practices may NOT be participating. Please contact your insurance plan directly.

  • List of insurance plans we accept
    • Aetna
    • CareFirst BlueCross BlueShield of Maryland
    • Cigna Health Care
    • Kaiser Permanente*
    • MedStar Select (Administered by CareFirst)
    • United HealthCare
    • Aetna
    • CareFirst BlueCross BlueShield of Maryland
    • Healthspring
    • Humana
    • Medicare & Railroad Medicare
    • United HealthCare
    • Aetna Better Health of Maryland *
    • Medical Assistance/Medicaid
    • MedStar Family Choice MD
    • Priority Partners *
    • United HealthCare Community Health Plan MD
    • Wellpoint MD
    • AmeriHealth Caritas
    • Health Services For Children With Special Needs (HSCSN)
    • Medical Assistance/Medicaid
    • MedStar Family Choice DC
    • Johns Hopkins Employer Health Programs *
    • Johns Hopkins US Family Health Plan *
    • MultiPlan
    • Private Healthcare Systems
    • Tricare/Humana Military
    • VA Community Care Network (VACCN)

Education

Board Certification: American Board of Internal Medicine, Pulmonary Disease

Board Certification: American Board of Internal Medicine, Internal Medicine

Board Certification: American Board of Internal Medicine, Critical Care Medicine

Fellowship: MedStar Washington Hospital Center (2020)

Residency: Ascension Maryland Saint Agnes Hospital (2017)

Graduate: Universidad de Cadiz (2008)

Medical School: Universidad Nacional Autonoma Nicaragua (2007)

Hospital affiliations

Ratings and reviews

  • Explanations the care provider gave you about your problem or condition

    4.8
  • Extent to which the care provider listened to you

    4.9
  • Care provider’s discussion of any proposed treatment (options, risks, benefits, etc.)

    4.9
  • Provider included you in decisions

    4.9
  • Concern the care provider showed for your questions or worries

    4.8
  • Likelihood of recommending this care provider to others

    4.8
  • May 9, 2026

    Good example

  • Feb 22, 2026

    She was very attentive and answered my questions.

  • Feb 12, 2026

    Good