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Dr. Shannon O'connor, MD

Bethesda, MD

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. O'connor, Hematology / Oncology Specialist in Bethesda, MD?

    Dr. Shannon O'connor, MD is a Hematology / Oncology Specialist, who primarily practices in Bethesda, MD with 2 additional practice locations. She is board certified. Dr. O'connor graduated from St. George's University School of Medicine and completed her residency at MedStar Franklin Square Medical Center Program. Dr. O'connor is fluent in English, Hindi, Ndebele, North, and North Ndebele, and is currently seeing new patients. Dr. O'connor’s practice accepts Cigna, Kaiser Permanente, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. O'connor’s office at (301) 929-0765.

    What are Areas of Expertise for Dr. O'connor?

    Dr. Shannon O'connor, MD is a highly-rated, board-certified Hematology / Oncology Specialist known for expertly diagnosing, treating, and managing a wide array of related conditions or procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. O'connor empowers patients to confidently navigate their health journey, specializing in Breast Cancer, Gynecologic Cancers, Hematologic Malignancies, or comprehensive wellness support. Serving the Bethesda/MD community, Dr. O'connor is dedicated to enhancing lives through expert, patient-centered care.

    Where did Dr. O'connor go to medical school and complete their residency?

    • Residency: MedStar Franklin Square Medical Center Program

    • Medical School: St. George's University School of Medicine

    What languages does Dr. O'connor speak?

    Dr. O'connor and their clinical team can communicate with patients in the following languages:

    • English

    • Hindi

    • Ndebele, North

    • North Ndebele

    What conditions does Dr. O'connor treat?

    As a Hematology / Oncology Specialist, Dr. O'connor 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. O'connor. 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.

    Also known as:

    • Estrogen Receptor Positive (ER+) Status
    • Upper-Outer Quadrant Right Female Breast Cancer
    • Central Right Female Breast Cancer
    • Central Left Female Breast Cancer
    • Breast Cancer
    • Upper-Inner Quadrant Left Female Breast Cancer
    • Upper-Inner Quadrant Right Female Breast Cancer
    • Lower-Inner Quadrant Left Female Breast Cancer
    • Left Female Nipple and Areola Breast Cancer
    • Lower-Outer Quadrant Right Female Breast Cancer
    • ER Positive Breast Cancer
    • Hormone-Sensitive Breast Cancer
    • Estrogen-Driven Cancer
    • Right female breast cancer upper-outer
    • Upper-outer right female breast tumor
    • Malignant growth in upper-outer right female breast
    • Right female breast central tumor
    • Malignant growth in central right female breast
    • Left female breast central tumor
    • Malignant growth in central left female breast
    • Female Breast Cancer
    • Malignant Breast Tumor
    • Breast Carcinoma
    • Left female breast cancer upper-inner
    • Upper-inner left female breast tumor
    • Malignant growth in upper-inner left female breast
    • Right female breast cancer upper-inner
    • Upper-inner right female breast tumor
    • Malignant growth in upper-inner right female breast
    • Left female breast cancer lower-inner
    • Lower-inner left female breast tumor
    • Malignant growth in lower-inner left female breast
    • Cancer of left female nipple
    • Left female areola tumor
    • Malignant growth on left female nipple
    • Right female breast cancer lower-outer
    • Lower-outer right female breast tumor
    • Malignant growth in lower-outer right female breast

    ICD-10 Codes:

    • Z170: Estrogen receptor positive status [ER+]
    • C50411: Malignant neoplasm of upper-outer quadrant of right female breast
    • C50111: Malignant neoplasm of central portion of right female breast
    • C50112: Malignant neoplasm of central portion of left female breast
    • C50412: Malignant neoplasm of upper-outer quadrant of left female breast
    • C50212: Malignant neoplasm of upper-inner quadrant of left female breast
    • C50211: Malignant neoplasm of upper-inner quadrant of right female breast
    • C50312: Malignant neoplasm of lower-inner quadrant of left female breast
    • C50012: Malignant neoplasm of nipple and areola, left female breast
    • C50511: Malignant neoplasm of lower-outer quadrant of right female breast

    Also known as:

    • Iron Deficiency Anemia from Chronic Blood Loss
    • Iron Deficiency Anemia
    • Anemia
    • Iron
    • Anemia due to iron deficiency and blood loss
    • Chronic blood loss anemia
    • Low iron anemia from bleeding
    • Anemia from Iron Lack
    • Low Iron Anemia
    • Sideropenic Anemia

    ICD-10 Codes:

    • D500: Iron deficiency anemia secondary to blood loss (chronic)
    • D509: Iron deficiency anemia, unspecified

    Also known as:

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

    ICD-10 Codes:

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

    Also known as:

    • Estrogen Receptor Negative (ER-) Status
    • Breast Cancer
    • ER Negative Cancer
    • No Estrogen Receptors
    • Hormone Receptor Negative

    ICD-10 Codes:

    • Z171: Estrogen receptor negative status [ER-]

    Also known as:

    • Ovarian Cancer
    • Ovarian Epithelial, Fallopian Tube, and Primary Peritoneal Cancer Treatment (PDQ)
    • Cancer of the ovary
    • Ovarian carcinoma
    • Female reproductive cancer

    ICD-10 Codes:

    • C561: Malignant neoplasm of right ovary
    • C563: Malignant neoplasm of bilateral ovaries

    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:

    • Multiple Myeloma
    • Plasma Cell Neoplasms (Including Multiple Myeloma) Treatment (PDQ®)
    • Active multiple myeloma
    • Untreated multiple myeloma
    • Plasma cell myeloma

    ICD-10 Codes:

    • C9000: Multiple myeloma not having achieved remission

    Also known as:

    • Secondary Bone Cancer
    • Bone Cancer
    • Metastatic bone cancer
    • Cancer spread to bone
    • Bone metastases

    ICD-10 Codes:

    • C7951: Secondary malignant neoplasm of bone

    Which procedures does Dr. O'connor perform as a Hematology / Oncology Specialist?

    As a Hematology / Oncology Specialist, procedures performed by a Dr. Shannon O'connor may include:

    For detailed information, please contact Dr. O'connor's office.

    Does Dr. O'connor accept my insurance?

    Dr. O'connor accepts most major insurance plans. Important: Please call our office at (301) 929-0765 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. O'connor accept in Bethesda, MD?

    Dr. O'connor in Bethesda, MD accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • BCBS Unspecified

    • Blue Cross Blue Shield of Michigan

    • Carefirst BlueCross BlueShield

    • Cigna

    • CVS Health (formerly Aetna)

    • Federal Employee Program

    • Medicare

    • Riverside Health

    • State of Maryland

    • UnitedHealthcare

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    Where is Dr. O'connor's office located?

    Dr. Shannon O'connor's Primary Practice

    6420 Rockledge Dr Ste 4200

    Bethesda, MD 20817

    (301) 929-0765

    Get Directions

    Dr. Shannon O'connor's Practice 2

    12200 Annapolis Rd Ste 118

    Glenn Dale, MD 20769

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    Dr. Shannon O'connor's Practice 3

    501 N Frederick Ave Ste 306

    Gaithersburg, MD 20877

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

    Dr. O'connor's National Provider Identifier (NPI) number is 1972760452.

    What common questions do patients ask about Dr. O'connor?

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

    What is Dr. Shannon O'connor's specialty?

    Dr. O'connor is a Hematology / Oncology Specialist near Bethesda, MD. 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. Contact Dr. O'connor to book an appointment today.

    Is this Dr. Shannon O'connor affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. O'connor is affiliated with Adventist HealthCare Shady Grove Medical Center, Suburban Hospital, Holy Cross Hospital - Silver Spring 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

    Where can I learn more about Hematology / Oncology Specialist?

    Explore Hematology / Oncology Specialist with 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 Shannon O'connor accepting new patients in Bethesda, MD?

    Yes, Dr. Shannon O'connor is accepting new patients at this time.

    Does Dr. Shannon O'connor offer online booking?

    Please contact Dr. O'connor's office at (301) 929-0765 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Shannon O'connor?

    Please contact Dr. O'connor's office at (301) 929-0765 for information regarding telehealth appointment availability or for scheduling assistance.

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