About
Jeffrey H. D. is a board-certified internist and cardiologist with more than 30 years of clinical experience in New York City. He earned his medical degree from New York University School of Medicine. He completed both his Internal Medicine residency and his Cardiology fellowship at The Mount Sinai Hospital Medical Center. Castle Connolly has recognized him as a Top Doctor, and his peers elected him to both Phi Beta Kappa and Alpha Omega Alpha.
Dr. Graf holds board certification from the American Board in both Internal Medicine and Cardiology. He serves on staff at The Mount Sinai Hospital and the Icahn School of Medicine. His Manhattan practice focuses on the prevention, detection, and treatment of disease across a broad range of conditions. He delivers care tailored to each patient, pairing deep clinical expertise with a patient-centered approach built on genuine physician-patient relationships.
Education & Training
Medical School
New York University School of Medicine
Residency
Internal Medicine, The Mount Sinai Hospital Medical Center
Fellowship
Cardiology, The Mount Sinai Hospital Medical Center
Additional Training
Elected to Phi Beta Kappa and Alpha Omega Alpha; Physician on staff at The Mount Sinai Hospital and the Icahn School of Medicine
Certifications
Who is Dr. Graf right for?
Dr. Graf is a strong fit for adults in and around New York City who want a physician with deep expertise in both internal medicine and cardiology. Patients managing cardiovascular risk, chronic conditions, or complex health histories benefit from his dual-board-certified background. He works well with patients who value direct, unhurried access to their doctor and want preventive care woven into every visit. His membership program suits those who want same-day availability and a single physician who coordinates specialist referrals when needed.
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Frequently Asked Questions
Dr. Graf practices both Internal Medicine and Cardiology. He holds board certification in both fields from the American Board. His clinical focus includes prevention, detection, and treatment of a broad range of diseases and illnesses.
Yes. Dr. Graf holds board certification in both Internal Medicine and Cardiology from the American Board. He also earned election to Phi Beta Kappa and Alpha Omega Alpha during his medical training.
Dr. Graf earned his medical degree from New York University School of Medicine. He then completed his Internal Medicine residency and Cardiology fellowship at The Mount Sinai Hospital Medical Center.
Dr. Graf has practiced medicine for more than 30 years. Throughout his career he has delivered patient-centered care to men and women in and around New York City.
Yes. Dr. Graf serves on staff at The Mount Sinai Hospital and the Icahn School of Medicine. These affiliations keep him connected to leading academic medicine in New York City.
Yes. Castle Connolly has designated Dr. Graf a Top Doctor, a peer-nominated recognition. His academic achievements also include election to both Phi Beta Kappa and Alpha Omega Alpha.
Dr. Graf sees men and women in and around New York City. His dual background in internal medicine and cardiology makes him well suited for patients with cardiovascular concerns, chronic conditions, or complex prevention needs.
Dr. Graf tailors his care to each individual patient. His membership model gives him the time to build strong physician-patient relationships and deliver thorough, unhurried visits. He focuses on prevention, early detection, and personalized treatment.
Doctor profile last updated April 10, 2026