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Mary Leung, MD
Hematology-Oncology, Cancer (Oncology)
About Me
Dr. Mary K. Leung joined Mount Sinai South Nassau in 2014 as a Hematology-Oncology physician specializing in a variety of diagnoses, from benign hematology to malignant hematology & oncology. She is also interested in survivorship and general cancer awareness & education.
Since 2019, Dr. Leung has served as an Assistant Professor of Medicine at Mount Sinai's Icahn School of Medicine. She is triple board certified by the American Board of Internal Medicine in Internal Medicine, Medical Oncology, and Hematology.
After completing her undergraduate studies at the University of Wisconsin-Madison, Dr. Leung obtained her Doctor of Medicine at the University at Buffalo. She then moved to North Shore University Hospital for her residency and fellowship in Internal Medicine and Hematology & Oncology, respectively.
In her professional community. Dr. Leung is a member of the American Society of Hematology and the American Society of Clinical Oncology.
Language
English
Position
NON-FACULTY MEDICAL STAFF | Surgery
Hospital Affiliations
- Mount Sinai South Nassau
- Mount Sinai Queens
- The Mount Sinai Hospital
Clinical Focus
- Acute Lymphoid Leukemia
- Acute Myeloid Leukemia
- Adenoid Cystic Carcinoma (ACC)
- Adrenal Cortical Carcinoma
- Adrenal Gland Tumors
- Adult Non-Hodgkin's Lymphoma
- Anal Cancer
- Anaplastic Thyroid Cancer (ATC)
- Anemia
- Aplastic Anemia
- Appendix Cancer
- Basal Cell Carcinoma
- Biopsy
- Bladder Cancer
- Blood Disorder
- Bone Tumors
- Cancer
- Cancer Screening
- Cancer Treatment
- Carcinoid Tumors
- Chemotherapy
- Cholangiocarcinoma
- Chronic Myelocytic Leukemia
- Clotting disorders
- Clotting/Thrombotic Disorders
- Coagulation Disorders
- Colon Cancer
- Colorectal Cancer
- Endocrine Cancer
- Endocrine Pancreas Tumors
- Endocrine Tumors
- Esophageal Cancer
- Esophagogastric Junction Cancer
- Gallbladder Cancer
- Gastric (Stomach) Cancer
- Gastrointestinal Cancers
- Genitourinary Malignancies
- Head and Neck Cancers
- Hematologic Malignancies
- Hematology
- Hemochromatosis
- Hemolytic Anemias
- Hepatobiliary Cancer
- Hepatocellular Carcinoma
- Hodgkin's Lymphoma
- Immune thrombocytopenia (ITP)
- Infusion Therapy
- Iron-Deficiency Anemia
- Kaposi sarcoma
- Kidney Cancer
- Leukemia
- Leukocytosis / High White Blood Count
- Leukopenia / Low White Blood Count
- Liver Cancer
- Lung Cancer
- Lymphoma
- Lymphoma (Hodgkin And Non-Hodgkin)
- Lymphoproliferative disorders
- Mantle Cell Lymphoma
- Mediastinal Tumors
- Medullary Thyroid Cancer (MTC)
- Melanoma
- Merkel Cell Tumors
- Monoclonal Gammopathy of Uncertain Significance (MGUS)
- Multiple Myeloma
- Myelodysplastic Syndromes
- Myeloproliferative Disorders
- Myeloproliferative Neoplasm
- Myeloproliferative Neoplasms (MPN)
- Nasal Cavity Cancer
- Nasopharyngeal Cancer (NPC)
- Neuroendocrine Tumors
- Non-malignant Hematologic Disorders
- Non-small cell lung cancer
- Oncology Second Opinion
- Oral Cavity Cancer
- Pancreatic Cancer
- Papillary Thyroid Cancer
- Parathyroid Cancer
- Primary Central Nervous System Lymphoma
- Primary Polycythemia
- Primary peritoneal tumors
- Prostate Cancer
- Rectal Cancer
- Sarcomas
- Sarcomas, Soft-Tissue
- Sickle Cell Disease/Sickle Cell Anemia
- Sinus Cancer
- Small Bowel Cancer
- Small cell lung cancer
- Spinal Cord Tumors
- Stomach (Gastric) Cancer
- Stomach Cancer
- Testicular Tumors
- Throat Cancer
- Thrombocytopenia
- Thrombocytosis
- Thrombocytosis / High Platelets
- Thrombotic Microangiopathies
- Thrombotic Thrombocytopenic Purpura (TTP)
- Thyroid Cancer
- Tongue Cancer
- Tonsil Cancer
- Urologic Cancers
- Waldenström's Macroglobulinemia
- gastrointestinal stromal tumor
- neuroendocrine cancer
Education
MD, SUNY Buffalo School of Medicine and Biomed
Residency, Internal Medicine
North Shore Long Island Jewish
Fellowship, Hematology & Oncology
Northwell Hospice & Palliative Medicine Fellowship
Certifications
American Board of Internal Medicine
Insurance Information
Accepted insurance may vary by the doctor’s office location. Please contact the office directly to obtain the most up-to-date insurance information.
- 1199 SEIU
- 32BJ Health Fund
- AETNA - Commercial
- AETNA - Medicare
- Amidacare Medicaid
- Anthem/Empire Blue Cross Blue Shield - Commercial
- Anthem/Empire Blue Cross Blue Shield - HealthPlus Medicaid
- CIGNA Healthcare
- Centivo
- Elderplan
- EmblemHealth - GHI-PPO
- EmblemHealth - HIP
- EmblemHealth - HIP-Medicaid
- EmblemHealth - HIP-Medicare
- Fidelis Health Care
- HealthFirst Medicaid
- HealthFirst Medicare
- Horizon NJ
- Magnacare-Health Care
- Medicare - NJ
- Medicare - NY
- Multiplan PHCS
- NJ Medicaid
- NY Medicaid
- Oscar
- Oxford - Freedom and Liberty
- United Health Care - Commercial
- United Health Care - Empire Plan
- United Health Care - Oxford Care
- United Health Care - UMR Top Tier
- VNSNY Choice Medicare
- VNSNY Select Health Medicaid
- VillageCareMax
- WellCare Health Plan
Physicians who provide services at hospitals and facilities in the Mount Sinai Health System might not participate in the same health plans as those Mount Sinai hospitals and facilities (even if the physicians are employed or contracted by those hospitals or facilities).
Information regarding insurance participation and billing by this physician may be found on this page, and can also be obtained by contacting this provider directly. Because physicians insurance participation can change, the insurance information on this page may not always be up-to-date. Please contact this physician directly to obtain the most up-to-date insurance information.
Insurance and health plan networks that the various Mount Sinai Health System hospitals and facilities participate in can be found on the Mount Sinai Health System website.
Industry Relationships
Physicians and scientists on the faculty of the Icahn School of Medicine at Mount Sinai often interact with pharmaceutical, device, biotechnology companies, and other outside entities to improve patient care, develop new therapies and achieve scientific breakthroughs. In order to promote an ethical and transparent environment for conducting research, providing clinical care and teaching, Mount Sinai requires that salaried faculty inform the School of their outside financial relationships.
Dr. LEUNG has not yet completed reporting of industry relationships or has no industry relationships to report.
Mount Sinai’s faculty policies relating to faculty collaboration with industry are posted on our website. Patients may wish to ask their physician about the activities they perform for companies.