We are Different
With over 30 years of dedicated experience, Dr. Lauren Cassell has established herself as a leading expert in breast health. Her approach is defined by a commitment to personalized surgical interventions and compassionate care, ensuring every patient receives a treatment plan tailored to their unique needs.
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Her practice is set up to navigate all aspects of her patients' care including radiology, pathology, chemotherapy, plastic surgery, genetic screening and counseling. ​As one of New York's most renowned and respected breast surgeons, Dr. Cassell is associated with Lenox Hill Hospital where she served as Chief of Breast Surgery for decades.
Care
Care is delivered in a private, highly personalized setting where patients are given the time, attention, and guidance needed to fully understand their diagnosis and treatment options. Our team helps coordinate consultations and supports patients throughout every step of their journey.
Communication
Communication is always directly with Dr. Cassell. From the initial consultation through recovery, she remains personally accessible to answer questions, address concerns, and guide patients through their care.
Outcomes
Dr. Cassell is deeply committed to achieving the best possible aesthetic outcomes. She utilizes the most advanced surgical techniques, thoughtful surgical planning, and collaborates with only the finest plastic surgeons, to deliver results that are both medically excellent and aesthetically superior.
Our Expertise
Breast Cancer Screening
Comprehensive screening protocols utilizing advanced imaging to ensure early detection and proactive health management.
Benign Breast Problems
Expert evaluation and compassionate management of non-cancerous conditions, ensuring clarity and relief for patients.
High-Risk Breast Surveillance
Personalized long-term monitoring and prevention strategies for women with elevated breast cancer risk.
Risk-Reduction Surgery
Advanced surgical options designed to significantly lower the risk of developing breast cancer in high-predisposition cases.
Genetic Evaluation & Counseling
Assessment of hereditary cancer risk through genetic testing, family history analysis, and individualized guidance.
Second Opinions
Thorough review of existing diagnoses and treatment plans to provide peace of mind and alternative perspectives.
Breast Cancer Surgical Options
Lumpectomy
A breast-conserving surgery aimed at removing the tumor while preserving as much healthy breast tissue as possible.
Reconstruction Coordination
Close collaboration with leading plastic surgeons to ensure aesthetic goals are integrated into your cancer treatment plan.
Oncoplastic Breast Surgery
This technique combines the cancer removal with plastic surgery techniques in a single operation, in order to preserve natural appearance.
Mastectomy
Comprehensive removal of breast tissue, with options for skin-sparing and nipple-sparing techniques where appropriate.
Risk-Reducing Surgery
Proactive surgical interventions for high-risk individuals, designed to provide peace of mind and long-term protection.
Special Situations
Teens & Young Women
Dr. Cassell has extensive experience caring for teens and young women, including high school girls with breast concerns. She offers clear explanations, gentle exams, and a calm, reassuring approach that helps patients and families feel safe and supported.
Male Breast Cancer
Breast cancer is not limited to women. Dr. Cassell evaluates and treats men with breast symptoms or breast cancer, providing clear guidance, respectful care, and tailored treatment plans for each individual.
Celebrity Patients
Some patients require extra discretion and flexible scheduling. Dr. Cassell has cared for hundreds of high-profile patients, including political, entertainment, sports, and media figures, arranging special appointments outside normal hours and incognito hospital admissions.
The Really Tough Decisions
Some of the hardest decisions families face involve elderly loved ones and inherited risk. Dr. Cassell has performed minor breast surgery on patients over 100 years old to relieve painful conditions, always weighing comfort, safety, and quality of life.
Recognition
Dr. Cassell is Board Certified by the American Board of Surgery, a Fellow of the American College of Surgeons, a member of the American Society of Breast Surgeons, and the New York County Medical Society.
She is consistently listed in Castle Connolly as one of America's Best Doctors and, for 20 years, she has been listed in New York Magazine as a New York Best Doctor.
About Dr. Cassell
Dr. Lauren Cassell combines decades of surgical expertise with a deeply personal, patient-centered approach. A lifelong New Yorker, she grew up in Port Washington and attended the University of Pennsylvania before earning her medical degree from New York Medical College. She completed her surgical training at Lenox Hill Hospital, where she went on to serve as Chief of Breast Surgery and now holds the title of Chief of Breast Surgery, Emeritus. Dr. Cassell is Board Certified and a longstanding Fellow of the American College of Surgeons.
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Throughout her distinguished career, Dr. Cassell has been recognized not only for her clinical excellence, but also for the compassion and reassurance she brings to every patient relationship. She believes breast care should be both highly skilled and deeply personal — treating the whole person, not simply a diagnosis. Her approach emphasizes thoughtful guidance, clear communication, and outcomes that support a patient’s physical, emotional, and aesthetic well-being.
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As a respected leader and educator at Lenox Hill Hospital, Dr. Cassell has trained and mentored generations of surgeons and has received numerous honors for her teaching and leadership. She remains actively involved in surgical education and regularly lectures on advances in breast surgery and patient care.
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Patients value Dr. Cassell for her warmth, experience, and unwavering dedication. She understands the profound impact a breast diagnosis can have not only on a woman, but on her family and loved ones as well. Known for taking the time to truly listen, she builds lasting relationships with her patients grounded in trust, empathy, and individualized care.