A. Lawrence Ossias, MD, FACP

Title: Part-Time Attending Physician
Company: Mount Sinai Medical Center
Location: New York, New York, United States

A. Lawrence Ossias, MD, FACP, Part-Time Attending Physician at Mount Sinai Medical Center, has been recognized by Marquis Who’s Who Top Doctors for dedication, achievements, and leadership in hematology and oncology.

Drawing inspiration from the example of Professor Hayden White at the University of Rochester, Dr. Ossias felt that the medical field would be an intriguing profession to pursue. He graduated from the University of Rochester with a Bachelor of Arts in 1961, and subsequently earned a Doctor of Medicine from Yale University in 1965. Upon receiving his medical degree, he returned to the University of Rochester for an internship from 1965 until 1966 and served as a surgeon in the U.S. Public Health Service between 1966 and 1968. Thereafter, Dr. Ossias completed a residency at the Bronx Municipal Hospital Center from 1968 to 1970, as well as a fellowship at Mount Sinai Hospital in New York between 1970 and 1972.

Now specializing in hematology and oncology, Dr. Ossias has excelled as an assistant clinical professor of medicine at the Mount Sinai School of Medicine since 1974. Likewise, he has also served as an assistant attending physician at the Mount Sinai Medical Center from 1974 to 2019. Since 2019, Dr. Ossias has distinguished himself as a part-time attending physician at the medical center.

Notably, Dr. Ossias is a diplomate of the American Board of Internal Medicine, the American Board of Hematology and the American Board of Medical Oncology. To remain aware of developments in the field, he is a member of the American Society of Hematology and the American Society of Clinical Oncology, as well as Phi Beta Kappa. He is a fellow of the American College of Physicians. Throughout the course of his career, Dr. Ossias has contributed numerous articles to professional medical journals. Though his career has been filled with highlights, he is exceptionally proud to have cared for patients and provided them with a better quality of life.

As a testament to his success, Dr. Ossias has been selected for inclusion in the seventh and eighth editions of Who’s Who in American Education, the first edition of Who’s Who in Medicine and Healthcare and the 24th edition of Who’s Who in the East. Married to his wife Linda, he has two sons, Geoffrey and Brian, as well as four grandchildren: Aaron, Simon, Rebekah and Hayden. During his spare time, Dr. Ossias enjoys such avocations as biking and traveling.

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