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Dr. Kathleen Fenn, MD

Trumbull, CT

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Fenn, Hematology / Oncology Specialist in Trumbull, CT?

    Dr. Kathleen Fenn, MD is a Hematology / Oncology Specialist, who primarily practices in Trumbull, CT with 1 additional practice location. Dr. Fenn is fluent in English and Spanish, and is currently seeing new patients. Dr. Fenn’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Fenn’s office at (203) 502-8400.

    What languages does Dr. Fenn speak?

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

    • English

    • Spanish

    What conditions does a Hematology / Oncology Specialist like Dr. Fenn typically treat?

    As a Hematology / Oncology Specialist, Dr. Fenn 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. Fenn. 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:

    • Cancer Immunotherapy
    • Cancer Chemotherapy
    • Oncology immunotherapy
    • Immune therapy for cancer
    • Chemo treatment
    • Oncology chemotherapy
    • Cancer drug therapy

    ICD-10 Codes:

    • Z5112: Encounter for antineoplastic immunotherapy
    • Z5111: Encounter for antineoplastic chemotherapy

    Also known as:

    • Endometrial Cancer
    • Uterine Cancer
    • Endometrial Cancer Treatment (PDQ®)
    • Malignant Endometrial Tumor
    • Endometrial Carcinoma
    • Cancer of the Endometrium

    ICD-10 Codes:

    • C541: Malignant neoplasm of endometrium

    Also known as:

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

    ICD-10 Codes:

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

    What procedures does a Hematology / Oncology Specialist like Dr. Fenn typically perform?

    As a Hematology / Oncology Specialist, Dr. Fenn 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. Fenn. 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:

    • Blood Transfusion
    • Blood Transfusion and Donation
    • Blood product transfusion
    • Red blood cell transfusion
    • Plasma transfusion

    CPT Codes:

    • 36430: Transfusion, blood or blood components

    Does Dr. Fenn accept my insurance?

    Dr. Fenn accepts most major insurance plans. Important: Please call our office at (203) 502-8400 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Fenn accept in Trumbull, CT?

    Dr. Fenn in Trumbull, CT accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • All Other Third Party

    • Cigna Group

    • Elevance Health Inc. (formerly Anthem)

    • EmblemHealth

    • Federal government of the United States

    • Humana

    • Medicare

    • State of Connecticut

    • UnitedHealth Group

    • Unknown

    View All Insurances

    Where is Dr. Fenn's office located?

    Dr. Kathleen Fenn's Primary Practice

    5520 Park Ave

    Trumbull, CT 06611

    (203) 502-8400

    Get Directions

    Dr. Kathleen Fenn's Practice 2

    333 Cedar St

    New Haven, CT 06510

    Get Directions

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

    Dr. Fenn's National Provider Identifier (NPI) number is 1205255619.

    What common questions do patients ask about Dr. Fenn?

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

    What is Dr. Kathleen Fenn's specialty?

    Dr. Fenn is a Hematology / Oncology Specialist near Trumbull, CT.

    What does a Hematology / Oncology Specialist do?

    An internist doctor of osteopathy specializing in the combined treatment of hematology and oncology disorders. A doctor of osteopathy who is board eligible or certified by the American Osteopathic Board of Internal Medicine was previously able to obtain a Certificate of Special Qualifications in Hematology and Oncology; however, this certificate is no longer available.

    Is this Dr. Kathleen Fenn affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Fenn is affiliated with Smilow Cancer Hospital At Yale New Haven, Bridgeport Hospital, Griffin Hospital 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 Hematology / Oncology Specialist?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see a Hematology / Oncology Specialist. 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 Kathleen Fenn accepting new patients in Trumbull, CT?

    Yes, Dr. Kathleen Fenn is accepting new patients at this time.

    Does Dr. Kathleen Fenn offer online booking?

    Please contact Dr. Fenn's office at (203) 502-8400 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Kathleen Fenn?

    Please contact Dr. Fenn's office at (203) 502-8400 for information regarding telehealth appointment availability or for scheduling assistance.

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