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K. Ranh Voong

K. Ranh Voong, MD, MPH

Radiation Oncology

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 K. Ranh Voong

Physician’s Office Phone

410-550-6597

Professional Titles

  • Director of Thoracic Radiation Oncology Program
  • Program Director of the Department of Radiation Oncology Residency Program

Primary Academic Title

Associate Professor of Clinical Radiation Oncology and Molecular Radiation Sciences

Johns Hopkins Physician

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Background

Dr. K. Ranh Voong specializes in thoracic malignancies, including lung, esophageal, thymic cancers, and mesothelioma.

She treats patients at both the Johns Hopkins Thoracic Center of Excellence at Johns Hopkins Bayview and at the Proton Center at Sibley Memorial Hospital. She has extensive expertise in proton therapy, SBRT, IMRT for tumors involving the chest. She is the Principal Investigator on grants from Lung Cancer Research Foundation and Hopkins-Wellspan. She is the Principal Investigator of a prospective study evaluating the immunogenic effects of SABR alone on systemic T cell response in patients with stage I NSCLC. She is the principal investigator of a multi-institutional prospective trial showing that routine review of patient-reported outcome measures informs radiation on-treatment toxicity burden assessment and care delivery. She was the Quality of Life Co-chair of a Phase III Randomized Trial of Pleurectomy/Decortication Plus Chemotherapy With or Without Adjuvant Hemithoracic Intensity-Modulated Pleural Radiation Therapy (IMPRINT) For Malignant Pleural Mesothelioma (NRG-LU006). She has been invited to participate in national and regularly lectures on thoracic malignancies and protons for thoracic malignancies therapy.  In her research, Dr. Voong is dedicated to improving the outcomes of patients with thoracic malignancies, by exploring avenues to better understand and optimize the delivery of radiotherapy.

Dr. Voong is also the Program Director for the Radiation Oncology Residency Program. She mentors residents, medical students.  

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Find a Clinical Trial

View all trials by this principal investigator.

Contact for Research Inquiries

300 Mason Lord Drive
Johns Hopkins Thoracic Center of Excellence, White Awning
Baltimore, MD 21224

Phone: (410) 550-6597

Research Interests

Characterization of stereotactic body radiation therapy / stereotactic ablative radiotherapy in thoracic tumors, Clinical outcomes of radiation in thoracic tumors, Patient reported outcome measures

Research Summary

Dr. Voong’s research activities focus on improving the effectiveness of radiation therapy for patients with thoracic cancers.  In her research, Dr. Voong is dedicated to improving the outcomes of patients with thoracic malignancies, by exploring avenues to better understand and optimize the delivery of radiotherapy.

Locations

  1. Johns Hopkins Bayview Medical Center
    • 300 Mason Lord Drive, Kimmel Cancer Center, Baltimore, MD 21224
    • Get Directions

Expertise

Education

  • Residency: MD Anderson Cancer Center, Radiation Oncology, 2015
  • Graduate School: University of Texas Health Science Center, MPH, 2014
  • Medical Education: Johns Hopkins University School of Medicine, MD, 2010

Board Certifications

  • Radiation Oncology: American Board of Radiology, 2016

Insurance

Please contact the location directly to confirm your health plan is accepted.
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

94 ratings, 32 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.

Overall Rating by Patient
Provider Listened Carefully
Provider Explained Things Clearly
Provider Knew Medical History
Provider Showed Respect
Provider Spent Enough Time
Search reviews
    5 out of 5 stars
    Reviewed on 3/17/2026

    Dr. Voong is always helpful and fully explains any issues and recommended next steps in my treatment.

    5 out of 5 stars
    Reviewed on 3/17/2026

    Dr Voong is an excellent doctor, she cares. Always ready for you with the most recent test results and an understanding on how you feel with my disease cancer

    5 out of 5 stars
    Reviewed on 3/13/2026

    Dr Voong and her team, including students, were all outstanding!

    5 out of 5 stars
    Reviewed on 3/13/2026

    Fantastic

    5 out of 5 stars
    Reviewed on 3/6/2026

    Professional, smart and completely attentive.

    5 out of 5 stars
    Reviewed on 2/24/2026

    Doctor Voong's expertise was immediately apparent. She had already studied my case and developed a strategy for treating my illness that was well thought out in advance of my arrival. Her meticulous attention to detail gives me a high level of confidence in her treatment. Dr. Voong is also a very good, very Intelligent listener. I am very lucky to have her on my care team.

    5 out of 5 stars
    Reviewed on 2/20/2026

    All good

    5 out of 5 stars
    Reviewed on 2/11/2026

    Very professional

    4 out of 5 stars
    Reviewed on 2/3/2026

    I needed to know the stage at which the provided definitively sees my overall treatment.

    5 out of 5 stars
    Reviewed on 2/3/2026

    Dr. Voong has been great to work with.

    5 out of 5 stars
    Reviewed on 2/3/2026

    Both Dr Voong and [staff] talked to me on this visit.

    5 out of 5 stars
    Reviewed on 2/3/2026

    Dr Voong was excellent. She gave me the perfect analogy to allow me to understand the condition and rationale for the treatment.

    5 out of 5 stars
    Reviewed on 1/22/2026

    She was wonderful - kind, and she demonstrated genuine care for me; she was also able to present treatment options that were easily understood

    5 out of 5 stars
    Reviewed on 12/30/2025

    Listened to my concerns and was kind and helpful.

    5 out of 5 stars
    Reviewed on 12/19/2025

    The two doctors and two nurses were very thorough and kind.

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

    Excellent service

    5 out of 5 stars
    Reviewed on 12/9/2025

    This was my first visit with her and she was excellent!

    4 out of 5 stars
    Reviewed on 12/9/2025

    This visit was scheduled to review results of an imaging study. I felt that the provider was not adequately familiar with the results of the study

    5 out of 5 stars
    Reviewed on 11/17/2025

    Dr. Voong had a wonderful positive manner with me. She seemed kind and truly cared about me as a patient.

    5 out of 5 stars
    Reviewed on 9/30/2025

    The encounter was an initial consult. The physician met with me briefly and explained she would not be included in Tx plan. She was very cordial, pleasant and encouraging.

    5 out of 5 stars
    Reviewed on 8/29/2025

    Very thoughtful

    5 out of 5 stars
    Reviewed on 8/26/2025

    I have been extremely impressed by the care received from Drs. Voong, [staff], and [staff].

    5 out of 5 stars
    Reviewed on 8/15/2025

    Love my Doctor, she's the best!

    5 out of 5 stars
    Reviewed on 8/6/2025

    Our original provider was like taking a public plane while working with JHM can be compared to a private jet.

    5 out of 5 stars
    Reviewed on 7/29/2025

    Great service

    5 out of 5 stars
    Reviewed on 6/18/2025

    One of the best hospitals in the U S.

    5 out of 5 stars
    Reviewed on 6/17/2025

    Knowledgable and friendly

    5 out of 5 stars
    Reviewed on 6/4/2025

    Excellent care

    5 out of 5 stars
    Reviewed on 5/27/2025

    [staff] and Dr VOONG always are very kind and caring. They do an excellent job

    5 out of 5 stars
    Reviewed on 5/16/2025

    They did a great job

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

    Dr Voong is the best!!!

    4 out of 5 stars
    Reviewed on 4/18/2025

    My final visit concerning cancer follow-up. Dr Voong.has been my Rock. I will miss her...but not the cancer.