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Dr. Lauren Cassell, MD

Dr. Lauren Cassell, MD

Surgeon

New York, NY

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Cassell, Surgeon in New York, NY?

    Dr. Lauren Cassell, MD is a Surgeon, who primarily practices in New York, NY. She is board certified. Dr. Cassell graduated from New York Medical College and completed her residency at Lenox Hill Hosp, General Surgery. Dr. Cassell is fluent in English, French, and Spanish, and is currently seeing new patients. Dr. Cassell’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Cassell’s office at (212) 535-4040.
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    Castle Connolly Top Doctor

    Castle Connolly Top Doctors are doctor-nominated and selected by a physician-led research team.

    What are Areas of Expertise for Dr. Cassell?

    Dr. Lauren Cassell, MD is a highly-rated, board-certified Surgeon known for expertly diagnosing, treating, and managing a wide array of related conditions and procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Cassell empowers patients to confidently navigate their health journey, specializing in Breast Cancer, Breast Cancer-High Risk Women, Breast Disease, Breast Surgery, Nipple Sparing Mastectomy, and comprehensive wellness support. Serving the New York, NY community, Dr. Cassell is dedicated to enhancing lives through expert, patient-centered care.

    Where did Dr. Cassell go to medical school and complete their residency?

    • Residency: Lenox Hill Hosp, General Surgery | NSLIJ/Hofstra North Shore-LIJ School of Medicine at Lenox Hill Hospital Program

    • Medical School: New York Med Coll- Valhalla Ny | New York Medical College

    Is Dr. Cassell board certified as a Surgeon?

    Yes, Dr. Lauren Cassell, MD is board certified by the American Board of Surgery

    What languages does Dr. Cassell speak?

    Dr. Cassell and their clinical team can communicate with patients in the following languages:

    • English
    • French
    • Spanish

    What conditions does a Surgeon like Dr. Cassell typically treat?

    As a Surgeon, Dr. Cassell diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Cassell. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.

    Also known as:

    • Fibrocystic Breast Changes
    • Breast Tumor of Uncertain Behavior
    • Breast Disease
    • Cystic breasts
    • Fibrocystic disease
    • Lumpy breasts
    • Breast Neoplasm
    • Breast Lump of Unknown Type
    • Uncertain Breast Growth

    ICD-10 Codes:

    • N6019: Diffuse cystic mastopathy of unspecified breast
    • D4862: Neoplasm of uncertain behavior of left breast
    • D4861: Neoplasm of uncertain behavior of right breast

    Also known as:

    • Personal History of Breast Cancer
    • Breast Cancer
    • Past breast cancer
    • Previous mammary malignancy
    • History of breast tumor

    ICD-10 Codes:

    • Z853: Personal history of malignant neoplasm of breast

    Also known as:

    • Breast Cancer
    • Mammary cancer
    • Breast carcinoma
    • Breast tumor

    ICD-10 Codes:

    • C50912: Malignant neoplasm of unspecified site of left female breast
    • C50911: Malignant neoplasm of unspecified site of right female breast

    What procedures does a Surgeon like Dr. Cassell typically perform?

    As a Surgeon, Dr. Cassell performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Cassell. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.

    Also known as:

    • Partial Mastectomy
    • Simple Mastectomy
    • Mastectomy
    • Lumpectomy
    • Breast conserving surgery
    • Quadrantectomy
    • Segmentectomy
    • Complete Mastectomy
    • Breast Removal Surgery
    • Total Mastectomy
    • Unilateral Mastectomy

    CPT Codes:

    • 19301: Mastectomy, partial (eg, lumpectomy, tylectomy, quadrantectomy, segmentectomy);
    • 19303: Mastectomy, simple, complete

    Also known as:

    • Skin Flap Surgery (Trunk)
    • Adjacent tissue transfer
    • Local flap surgery
    • Skin rearrangement

    CPT Codes:

    • 14000: Adjacent tissue transfer or rearrangement, trunk; defect 10 sq cm or less

    Also known as:

    • Breast Lump Removal with Marker Guidance
    • Image-Guided Breast Lesion Excision
    • Wire-Localized Breast Biopsy
    • Open Excision of Marked Breast Lesion
    • Breast Mass Removal with Marker

    CPT Codes:

    • 19125: Excision of breast lesion identified by preoperative placement of radiological marker, open; single lesion

    Also known as:

    • Sentinel Lymph Node Mapping
    • Lymph Node Identification
    • Sentinel Node Biopsy (Mapping)
    • Dye Injection for Lymph Nodes

    CPT Codes:

    • 38900: Intraoperative identification (eg, mapping) of sentinel lymph node(s) includes injection of non-radioactive dye, when performed (List separately in addition to code for primary procedure)

    Also known as:

    • Deep Armpit Lymph Node Biopsy
    • Biopsy
    • Axillary Lymph Node Excision
    • Open Axillary Node Biopsy
    • Underarm Lymph Node Removal

    CPT Codes:

    • 38525: Biopsy or excision of lymph node(s); open, deep axillary node(s)

    Does Dr. Cassell accept my insurance?

    Dr. Cassell accepts most major insurance plans. Important: Please call our office at (212) 535-4040 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Cassell accept in New York, NY?

    Dr. Cassell in New York, NY accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Capital Blue Cross

    • Centene Corporation

    • Cigna Group

    • CVS Health (formerly Aetna)

    • Elevance Health Inc. (formerly Anthem)

    • EmblemHealth

    • Health First Shared Services

    • Medicare

    • National Benefit Fund

    • UnitedHealth Group

    View All Insurances

    Where is Dr. Cassell's office located?

    Dr. Lauren Cassell's Primary Practice

    114A E 78th St

    New York, NY 10075

    (212) 535-4040

    Get Directions

    Recognitions

    Castle Connolly Doctor’s Choice Awards

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    Doctor’s Choice - All Time

    Among the most nominated for the Castle Connolly Top Doctor recognition across all time

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    Doctor’s Choice - 2025

    Among the most nominated for the Castle Connolly Top Doctor recognition in 2025

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    Doctor’s Choice - Last 5 Years

    Among the most nominated for the Castle Connolly Top Doctor recognition in the last 5 years

    What is Dr. Cassell's NPI number?A National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.

    Dr. Cassell's National Provider Identifier (NPI) number is 1861505133.

    What common questions do patients ask about Dr. Cassell?

    Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Cassell

    What is Dr. Lauren Cassell's specialty?

    Dr. Cassell is a Surgeon near New York, NY.

    What does a Surgeon do?

    General surgeons are experts in diagnosing and managing surgical conditions which includes preoperative, operative, and postoperative care, as well as addressing complications. Their expertise include the areas such as the alimentary tract, breast, abdomen, skin and soft tissue, endocrine system, head and neck, pediatric surgery, surgical critical care, surgical oncology, trauma, burns, and vascular surgery. General surgeons increasingly utilize minimally invasive and endoscopic techniques to provide proper care. In addition to this, many general surgeons have expertise in transplantation, plastic, and cardiothoracic surgery.

    Is Dr. Lauren Cassell affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Cassell is affiliated with Lenox Hill Hospital, New York Eye And Ear Infirmary Of Mount Sinai which are a Castle Connolly Top Hospitals. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals

    When to see a Surgeon?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see a Surgeon. Explore insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.

    Is Dr. Lauren Cassell accepting new patients in New York, NY?

    Yes, Dr. Lauren Cassell is accepting new patients at this time.

    Does Dr. Lauren Cassell offer online booking?

    Please contact Dr. Cassell's office at (212) 535-4040 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Dr. Lauren Cassell?

    Please contact Dr. Cassell's office at (212) 535-4040 to schedule an appointment.

    Where is Dr. Cassell's office located?

    Dr. Cassell's office is located in New York, NY.

    Which board certifications does Dr. Lauren Cassell have?

    Dr. Lauren Cassell is certified by the American Board of Surgery.