Oncology

Gregory Riely, MD

Vice Chair of Clinical Research, Department of Medicine; Ning Zhao and Ge Li Chair in Lung Cancer Research

Gregory J. Riely, MD, PhD, is a thoracic medical oncologist at Memorial Sloan Kettering Cancer Center in New York, NY, specializing in the treatment of lung cancer, thymoma, and thymic carcinoma. He primarily serves adult patients with these thoracic malignancies, including those with advanced or treatment-resistant cases featuring specific molecular alterations such as EGFR, KRAS, BRAF, or EML4-ALK mutations in non-small cell lung cancer. In addition to direct patient care, Dr. Riely designs an

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Credentials

Board Certifications

Internal Medicine (ABIM)
Medical Oncology (ABIM)

Education & Training

Medical School: Case Western Reserve University School of Medicine (MD, 2001)
Residency: New York Presbyterian/Weill Cornell Medical Center (Internal Medicine)

Years in Practice

25+ years

Peer Recognition

Castle Connolly — Top Doctor
2023-2026 (4 years)
Castle Connolly — America’s Top Doctor
2023-2026 (4 years)
Castle Connolly — Top Doctors New York Metro Area
2023
Castle Connolly — New York Magazine: Top Doctor
2018-2019, 2021 (3 years)

Clinical Focus

Subspecialties

Medical Oncology

Conditions & Treatments

Cancer SurvivorshipChemotherapy

Insurance(s) Accepted

90 Degree BenefitsASR Health Benefits

AetnaAllegiance Health Plans

Anthem Blue Cross Blue Shield

Please verify your coverage with the provider — plan participation can change.

Practice Details

Hospital Affiliations

Memorial Sloan Kettering Cancer Center

Languages

English[2]

Conditions Dr. Riely treats

Insurance accepted

Frequently asked

Does Dr. Riely accept 90 Degree Benefits insurance?

Gregory Riely's public profile lists 90 Degree Benefits, ASR Health Benefits, and Aetna plus 51 more health plans as accepted plans. Plan participation can change — confirm directly with the practice before your visit.

Where does Dr. Riely practice?

Gregory Riely practices in New York, NY with hospital affiliations including Memorial Sloan Kettering Cancer Center.

What does Dr. Riely specialize in?

Gregory Riely is a board-certified oncology specialist with focus areas in Medical Oncology.

How long has Dr. Riely been practicing?

Gregory Riely has 25+ years of clinical experience in oncology.

What is Dr. Riely's medical training?

Public profile training history includes: Medical School: Case Western Reserve University School of Medicine (MD, 2001); Residency: New York Presbyterian/Weill Cornell Medical Center (Internal Medicine).