

Dr. John Poneros, MD
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Dr. John Poneros, MD
Medical Oncology
Dr. John Poneros, MD is a medical oncologist in New York, NY and has over 25 years of experience in the medical field. Dr. Poneros has extensive experience in Pancreatic Neoplasms, Gastrointestinal Neoplasms, and Pancreatic Disease. He graduated from Columbia University Vagelos College of Physicians and Surgeons in 1995. He is affiliated with medical facilities such as NewYork-Presbyterian/The Allen Hospital and Newyork-Presbyterian/Columbia University Medical Center. He is accepting new patients and telehealth appointments.
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Dr. Poneros is a Healthgrades Choice provider in Gastroenterology
The Healthgrades Choice designation helps you understand the most important factors to consider when choosing a healthcare professional. This designation is earned based on four set standards.
Read our methodology
- Above average experience
- Good hospital quality
- Good patient ratings
- No healthcare sanctions
- Area of Expertise • Dr. Poneros specializes in the area of Gastroenterology. See board certifications
- Explains Conditions Well • Patients said this doctor explains conditions well. See reviews
- Offers Telehealth • This doctor offers telehealth appointments. Call the office to schedule an appointment.
- Practices at Top Hospital • America's 250 Best Hospitals Award™ See hospitals
More Oncology Specialists at Practice
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Dr. Poneros' Reviews
Likelihood to recommend Dr. Poneros
4.5
5 Star | 83% | 83% |
4 Star | 6% | 6% |
3 Star | 0% | 0% |
2 Star | 0% | 0% |
1 Star | 11% | 11% |
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Likelihood of recommending Dr. Poneros to family and friends is 4.5 out of 5
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About Me
care philosophy
We are committed to delivering the best care and an exceptional patient experience. We are devoted to providing services that are patient-centered and compassionate, and care for you as a person.biography
Dr. Poneros is a Professor at Columbia University's College of Physicians and Surgeons and the Program Director of the Advanced Endoscopy Fellowship. He also serves as the Associate Director of the Endoscopy Unit and is a Fellow of the American...read moreMedical Oncology
Gastroenterology
*Healthgrades does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
Massachusetts General Hospital
Fellowship HospitalBrighams And Womans Hospital
Fellowship Hospital, 2001Columbia Presbyterian Medical Center
Residency Hospital, 1998Columbia University Vagelos College Of Physicians And Surgeons
Medical School, 1995
Healthgrades receives board action history for physicians and physician assistants. The information displayed here is sourced from independent information providers, such as state board websites, and may not be the most up-to-date information. Healthgrades makes no representations with respect to the accuracy of any information provided here and assumes no responsibility or liability for such information.
Learn more about medical license public record checkAffiliated Hospitals
- Recipient of 5
hospital awards - Recipient of 16
hospital awardsView all awardsAmerica's 250 Best Hospitals Award™ (2025)
Top 5% in the nation for consistently delivering clinical quality
- Recipient of 16
hospital awardsView all awardsAmerica's 250 Best Hospitals Award™ (2025)
Top 5% in the nation for consistently delivering clinical quality
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