John Ng, M.D.
Radiation Oncology
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John Ng, M.D.

Radiation Oncology

Profile Photo of John Ng, M.D.
Accepts New Patients
Gender: Male
Language: English


Specialties and Expertise


  • Radiation Oncology


  • Breast Cancer
  • Pancreas Cancer
  • Rectal Cancer
  • Gastric Cancer
  • Esophageal Cancer
  • Colon Cancer
  • Anal Cancer
  • Sarcoma


John Ng, M.D. is a Board Certified Radiation Oncologist and Assistant Professor of Radiation Oncology at Weill Cornell Medical College/New York Presbyterian Hospital. As a native New Yorker, he received his undergraduate degree in Physics at Columbia University. He went to medical school at Harvard and also received a Master of Science degree in Biophysics from Harvard University. He received his M.D. degree from Harvard Medical School, jointly with the Massachusetts Institute of Technology, as part of the Health Sciences and Technology (HST) program. He returned to New York City and the Columbia University Medical Center for his residency training in Radiation Oncology, where he also served as a chief resident. He joined the Weill Cornell Medical Center as faculty, where he serves as attending physician for Breast Oncology and for Gastrointestinal Oncology. His most recent awards include the Faculty Educator of the Year Award from the Weill Cornell New York-Presbyterian Residency Program, a RSNA Roentgen Research Award, an ASCO Research Travel Award, and a NCCN Travel Grant.

Dr. Ng was recently appointed the Chair of the Radiation Oncology Section of New York Roentgen Society, the only scientific group that congregates radiation oncologists in the New York Metropolitan area and is comprised of leaders in the fields of diagnostic radiology and radiation oncology. He also currently serves as a Program Committee member for the American Association for Cancer Research (AACR), serves on the Economics Committee of the American College of Radiation Oncology (ACRO), and is an active Program Committee member of the New York Metropolitan Breast Cancer Group.

Areas of Specialization:

Breast Cancer, Gastrointestinal Cancers, Breast Intraoperative Radiotherapy, Breast Balloon Brachytherapy, Pancreatic Cancer, Sarcoma, Stereotactic Body Radiotherapy (SBRT).


Dr. Ng’s research is focused on developing novel radiation techniques that can reduce treatment side effects and improve outcomes. One area of particular focus is developing partial breast radiotherapy techniques to treat less breast tissue with less radiation to reduce side effects and to shorten treatment times.

Another research interest is advancing radiotherapy technologies to treat pancreatic cancer. He is currently writing a textbook review on Gastrointestinal and Hepatobiliary Radiation Therapy and working on a review on minimizing malignancy risks after radiation therapy.

He is also actively involved in the development of new drugs and agents to use with radiotherapy to improve cure rates for breast cancer and gastrointestinal cancers. Presently, his group is collaborating with others in developing skin products to decrease skin side effects from breast radiotherapy.


Honors and Awards

Honors and Awards

 Vice Chair, Radiation Oncology Section, New York Roentgen Society, 2012-present

Roentgen Resident/Fellow Research Award, Radiologic Society of North America (RSNA), 2012

Chief Resident, Columbia University Department of Radiation Oncology, 2011-present

ASCO Research Travel Award for the 2011 ASCO Annual Meeting, 2011

Chair of Resident Committee, New York Roentgen Society, 2010-present          

Organizing Committee Member, Scientific Committee Member, New York Roentgen Society Annual Meeting, 2011

Economics Committee Member, American College of Radiation Oncology, 2011-present

Resident Committee Member, Mentoring Subcommittee Chair, American

College of Radiation Oncology (ACRO), 2010-present

NCCN Fellows Recognition Travel Grant, 2010

BEST Resident Travel Award for the 52nd ASTRO Annual Meeting, 2010

ACRO Annual Meeting Travel Award, 2010

Graduate Medical Education Committee Representative, New York-Presbyterian Hospital,

Columbia University Medical Center, 2008-present

NASA Research Fellowship, 2003              

HMS National Scholarship, Harvard Medical School, 1998

Phi Beta Kappa, 1998                      

Physics Department Award, Columbia University, 1998

Columbia Class Salutatorian, 1998                        

Milton Handler Prize, 1995

Barry Goldwater Scholar, 1995-1998        

I. I. Rabi Scholar, 1994-1998


Board Certifications

  • American Board of Radiology (Radiation Oncology)

Clinical and Academic Positions

  • Assistant Attending Radiation Oncologist - NewYork-Presbyterian Hospital
  • Assistant Professor of Clinical Radiation Oncology - Weill Cornell Medical College, Cornell University

Education and Training

  • M.D., Harvard Medical School, 2007
  • M.S., Harvard University, 2005
  • B.A., Columbia University, 1998


Insurance Plans Accepted

The following represents most of the managed care plans accepted by this doctor. If your insurance carrier does not appear here please contact the doctor’s office as they may have individual contracts not included on this site.

* indicates this doctor is no longer accepting new patients with this insurance plan.

  • AETNA - Medicare
  • Aetna Weill Cornell Employee Managed Care Plan
  • Aetna Weill Cornell Employee PPO Plan
  • Aetna-NYP - EPO/POS
  • Affinity Access
  • Affinity Health Plan
  • AgeWell New York
  • Amida Care
  • Emblem Select Care
  • Empire Blue Cross/Blue Shield - Blue Access
  • Empire Blue Cross/Blue Shield - Blue Connection
  • Empire Blue Cross/Blue Shield - EPO
  • Empire Blue Cross/Blue Shield - HMO
  • Empire Blue Cross/Blue Shield - Mediblue (Senior)
  • Empire Blue Cross/Blue Shield - PPO
  • Empire Blue Cross/Blue Shield HealthPlus
  • Empire Blue Cross/Blue Shield HealthPlus - CHP
  • Fidelis Care
  • GHI - CBP
  • Health First
  • Health Insurance Plan of NY (HIP)
  • Health Insurance Plan of NY (HIP) - Medicaid
  • Health Insurance Plan of NY (HIP) - Medicare
  • Medicaid
  • Medicare
  • Oxford Health Plans - Freedom
  • Oxford Health Plans - Liberty
  • Oxford Health Plans - Medicare Advantage
  • Oxford Health Plans - Metro/Core/Charter
  • Rockefeller University - Trustmark
  • United Empire
  • United Healthcare
  • United Healthcare - Community Plan
  • United Healthcare - Medicare
  • United Healthcare Compass
  • VNSNY CHOICE - Medicare
  • WellCare of NY
  • WorldWide Medical

Locations and Appointments

External Relationships

External Relationships

Relationships and collaborations with for-profit and not-for profit organizations are of vital importance to our faculty because these exchanges of scientific information foster innovation. As experts in their fields, WCM physicians and scientists are sought after by many organizations to consult and educate. WCM and its faculty make this information available to the public, thus creating a transparent environment.

No External Relationships Reported