About
Lisa C. Fishman, MD earned her medical degree from Mount Sinai School of Medicine in 1995. She then completed her internship and Internal Medicine residency at Yale-New Haven Hospital, finishing in 1998. Before medical school, she graduated Magna Cum Laude from Brandeis University with a Bachelor of Arts in Philosophy. That undergraduate foundation informed her later certification in Biomedical Ethics through the joint program at Albert Einstein College of Medicine and New York University Division of Nursing in 2002.
Dr. Fishman holds board certification from the American Board of Internal Medicine. She serves as an Assistant Professor of Medicine at Mount Sinai School of Medicine and maintains a hospital affiliation with Icahn, Mount Sinai School of Medicine. Earlier in her career, she held appointments at New York Presbyterian Hospital and served as Medical Director of the Physician Assistant Program at Weill Medical College of Cornell University. She is a member of the American College of Physicians and the American Medical Association. Dr. Fishman considers careful listening the most essential clinical skill. She works to empower patients as active participants in their own healthcare, guiding them through prevention, wellness, and the complexities of illness and treatment. Outside medicine, she volunteers in third world medicine initiatives, travels internationally, and skis.
Education & Training
Undergraduate
Brandeis University, Bachelor of Arts in Philosophy, 1991, Magna Cum Laude
Medical School
Mount Sinai School of Medicine, Doctorate of Medicine, 1995
Residency
Yale-New Haven Hospital, Internal Medicine Residency and Internship, 1995-1998
Additional Training
Biomedical Ethics, The Biomedical Ethics and Medical Humanities Program, Albert Einstein College of Medicine and New York University Division of Nursing, 2002
Certifications
Conditions Treated
Who is Dr. Fishman right for?
Dr. Fishman is a strong fit for adults who want a long-term relationship with a single, experienced physician. Patients managing chronic conditions such as diabetes, hypertension, or heart disease benefit from her preventive focus. Those who value direct access to their doctor, including after-hours phone availability, will find her practice well suited to their needs. Adults navigating complex diagnoses or multiple specialists appreciate her role as a central, knowledgeable guide. Her panel is small and availability is limited, making her ideal for patients who prioritize continuity and personal attention.
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Frequently Asked Questions
Dr. Fishman specializes in internal medicine and preventive medicine. She focuses on chronic disease management, preventive care, and guiding adult patients through every stage of life. She also holds a certification in Biomedical Ethics, which informs her patient-centered approach to complex medical decisions.
Yes, Dr. Fishman holds board certification from the American Board of Internal Medicine. She earned her medical degree from Mount Sinai School of Medicine and completed her residency training at Yale-New Haven Hospital.
Dr. Fishman completed her internship and internal medicine residency at Yale-New Haven Hospital from 1995 to 1998. She earned her medical degree from Mount Sinai School of Medicine in 1995. She also graduated Magna Cum Laude from Brandeis University with a Bachelor of Arts in Philosophy.
Yes, Dr. Fishman makes herself available to patients by phone after hours and on weekends. She sees every patient personally and does not delegate care to a nurse practitioner or physician assistant.
Dr. Fishman considers careful listening the most essential clinical skill. She works to empower patients as active participants in their own healthcare. Her approach covers prevention, wellness, and navigating the complexities of illness and treatment.
Yes, Dr. Fishman serves as an Assistant Professor of Medicine at Mount Sinai School of Medicine. Earlier in her career, she served as Medical Director of the Physician Assistant Program at Weill Medical College of Cornell University. She also held appointments at New York Presbyterian Hospital.
Dr. Fishman is a member of the American College of Physicians and the American Medical Association. These memberships keep her connected to the broader internal medicine community and current clinical standards.
Dr. Fishman's practice has limited availability and may carry a waiting list. Prospective patients should contact the office directly to ask about current openings.
Doctor profile last updated March 21, 2026