Gregory S. Sibley, MD

Virginia Cancer Specialists' Physicians

Gregory S. Sibley, MD Headshot

“I place a high premium on customer service, and that starts with me. I insist that patients are seen on time, and that wait times for consultations and treatment start times are as short as possible. We are dealing with cancer, after all. At VCS we have the best of both worlds (private practice with close personal attention and also academic with cutting edge research and treatment options).”

Work and Credentials:

Primary Location

Radiation Oncology Center

Position

Radiation Oncology

Board Certification

American Board of Radiology

Fellowship

University of Chicago

Internship

St. Joseph Mercy Hospital

Residency

University of Chicago

Medical School

University of Michigan

Special Interests

Breast cancer, prostate cancer, lung cancer, Radiation Oncology

Dr. Gregory S. Sibley joined Virginia Cancer Specialists after 14 years in Radiation Oncology at Sibley Memorial Hospital in Washington, D.C.  Throughout his career, Dr. Sibley has focused on providing the highest quality care in the field of radiation oncology. He has positioned himself as an expert in the multi-disciplinary treatment of cancer and in state-of-the-art radiation treatment planning techniques. Within the US Oncology Network, Dr. Sibley is a member of the Executive Committee for Radiation Oncology and Vice-Chair for the Technology Committee. Dr. Sibley has authored over 20 peer-reviewed publications, many while on faculty at Duke University Medical Center. Although well-versed in the treatment of multiple cancers, Dr. Sibley has special interest in breast cancer, brachytherapy for prostate cancer, and intensity-modulated radiotherapy for head and neck, and lung cancers.

In his spare time, Dr. Sibley is an avid hockey player and triathlete.





Physician Video:

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Practice Blog

January 31, 2023

Radiopharmaceutical Treatment Provides Hope for Prostate Cancer Patients

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November 8, 2022

Virginia Cancer Specialists has earned the prestigious Accreditation Program for Excellence (APEx)

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Physician Publications

June 1, 2014

A streamlined failure mode and effects analysis

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January 1, 2005

Bronchial stenosis: an underreported complication of high-dose external beam radiotherapy for lung cancer?

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June 1, 2003

Routine use of approximately 60 Gy once-daily thoracic irradiation for patients with limited-stage small-cell lung cancer

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More Publications by Gregory S. Sibley, MD

February 1, 2001

73.6 Gy and Beyond: hyperfractionated, accelerated radiotherapy for non-small cell lung cancer

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January 15, 2001

Can we predict radiation-induced changes in pulmonary function based on the sum of predicted regional dysfunction?

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January 1, 2001

Carboplatin/Paclitaxel or carboplatin/vinorelbine followed by accelerated hyperfractionated conformal radiotherapy: a preliminary report of a phase I dose escalation trial from the Carolina Conformal Therapy Consortium

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November 20, 2000

The role of lung perfusion imaging in predicting the direction of radiation-induced changes in pulmonary function tests

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September 1, 2000

Can angiotensin-converting enzyme inhibitors protect against symptomatic radiation pneumonitis?

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August 1, 2000

A new three-dimensional dose distribution reduction scheme for tubular organs

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December 1, 1999

The rationale and use of three-dimensional radiation treatment planning for lung cancer

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September 1, 1999

A neural network to predict symptomatic lung injury

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September 1, 1999

The effect of patient-specific factors on radiation-induced regional lung injury

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August 1, 1999

Clinical and dosimetric predictors of radiation-induced esophageal toxicity

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February 1, 1999

Multimodality nuclear medicine imaging in three-dimensional radiation treatment planning for lung cancer: challenges and prospects

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February 1, 1998

Radiotherapy for patients with medically inoperable stage I non-small cell lung cancer: smaller volumes and higher doses

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February 1, 1998

Enhancement of replication of genetically engineered herpes simplex viruses by ionizing radiation: a new paradigm for destruction of therapeutically intractable tumors

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January 1, 1998

Radiotherapy alone for medically inoperable stage I non-small cell lung cancer: the Duke Experience

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May 1, 1997

Tumor hypoxia adversely affects the prognosis of carcinoma of the head and neck

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December 1, 1995

The Treatment of Stage III Non-Small Cell Lung Cancer Using High-Dose Conformal Radiotherapy

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September 30, 1995

Patterns of failure following high-dose chemotherapy and autologous bone marrow transplantation with involved field radiotherapy for relapsed/refractory hodgkin’s disease

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July 15, 1995

Conservative surgery and adjuvant radiation therapy in the management of adult soft tissue sarcoma in the extremities: clinical and radiobiological results

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July 15, 1995

The patterns of failure following total body irradiation and bone marrow transplantation +/- local radiotherapy boost for advanced neuroblastoma

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January 1, 1994

Patterns of failure of complete responders following high-dose chemotherapy and autologous bone marrow transplantation for metastatic breast cancer: implications for the use of adjuvant radiation therapy

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January 1, 1993

A Comparison of CT-based treatment planning and retrograde urethrography in determining the prostatic apex at simulation

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Primary Location

Radiation Oncology Center Office

Radiation Oncology Center

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Awards

February 1, 2023

2023 Northern Virginia Magazine Top Doctor


January 24, 2023

2023 Castle Connelly Top Doctor Award


December 13, 2022

2022 Washingtonian Top Doctor


February 1, 2022

2022 Northern Virginia Magazine Top Doctor


January 1, 2022

2022 Castle Connelly Top Doctor Award - 5 Years


November 1, 2021

2021 Washingtonian Magazine Top Doctor


February 1, 2020

2020 Virginia Living Top Doctor


December 1, 2019

2019 Washingtonian magazine Top Doctors


January 1, 2019

Northern Virginia Magazine Top Doctor 2019


January 1, 2018

2018 Washingtonian Magazine Top Doctor Nomination


January 1, 2018
Top Doctors Virginia Living Magazine 2018

Top Doctors Virginia Living Magazine 2018


January 1, 2018
Northern Virginia Magazine Top Doctors 2018

Northern Virginia Magazine Top Doctors 2018


November 1, 2017
Washingtonian Magazine Top Doctors 2017

Washingtonian Magazne Top Doctors 2017


September 9, 2016
Washingtonian Magazine

Washingtonian Top Doctor 2016


September 1, 2015
Washingtonian Magazine

Washingtonian Top Doctor 2015