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Dr. Ian Greenwalt, MD

Washington, DC

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Greenwalt, Surgeon in Washington, DC?

    Dr. Ian Greenwalt, MD is a Surgeon, who primarily practices in Washington, DC with 2 additional practice locations. He is board certified. Dr. Greenwalt is fluent in English, and is currently seeing new patients. Dr. Greenwalt’s practice accepts Cigna, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Greenwalt’s office at (202) 295-0560.

    What languages does Dr. Greenwalt speak?

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

    • English

    What conditions does Dr. Greenwalt treat?

    As a Surgeon, Dr. Greenwalt 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. Greenwalt. 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:

    • Breast Cancer
    • Early Breast Cancer of the Left Breast
    • Early Breast Cancer of the Right Breast
    • Widespread Left Female Breast Cancer
    • Upper-Outer Quadrant Right Female Breast Cancer
    • Mammary cancer
    • Breast carcinoma
    • Breast tumor
    • Intraductal carcinoma in situ left breast
    • Precancerous cells left breast
    • Non-invasive breast cancer left breast
    • DCIS left breast
    • Intraductal carcinoma in situ right breast
    • Precancerous cells right breast
    • Non-invasive breast cancer right breast
    • DCIS right breast
    • Left female breast cancer in multiple areas
    • Diffuse left female breast cancer
    • Malignant growth in overlapping sites of left female breast
    • Female Breast Cancer
    • Malignant Breast Tumor
    • Breast Carcinoma
    • Right female breast cancer upper-outer
    • Upper-outer right female breast tumor
    • Malignant growth in upper-outer right female breast

    ICD-10 Codes:

    • C50912: Malignant neoplasm of unspecified site of left female breast
    • C50911: Malignant neoplasm of unspecified site of right female breast
    • D0512: Intraductal carcinoma in situ of left breast
    • D0511: Intraductal carcinoma in situ of right breast
    • C50812: Malignant neoplasm of overlapping sites of left female breast
    • C50412: Malignant neoplasm of upper-outer quadrant of left female breast
    • C50411: Malignant neoplasm of upper-outer quadrant of right female breast
    • C50919: Malignant neoplasm of unspecified site of unspecified female breast

    Also known as:

    • Cancer Follow-up Exam
    • Cancer
    • Post-cancer treatment checkup
    • Malignancy surveillance
    • Oncology follow-up

    ICD-10 Codes:

    • Z08: Encounter for follow-up examination after completed treatment for malignant neoplasm

    Also known as:

    • Breast Cancer Screening
    • Health Screening
    • Breast Cancer Screening (PDQ®)
    • Mammogram
    • Breast Exam
    • Breast Cancer Check

    ICD-10 Codes:

    • Z1239: Encounter for other screening for malignant neoplasm of breast

    Also known as:

    • Follow-up After Treatment (Non-Cancer)
    • Post-Treatment Check-up
    • Aftercare Visit
    • Recovery Monitoring Exam

    ICD-10 Codes:

    • Z09: Encounter for follow-up examination after completed treatment for conditions other than malignant neoplasm

    Also known as:

    • Abnormal Breast Imaging Results
    • Mammography
    • Inconclusive mammogram
    • Unclear breast scan results
    • Abnormal breast scan

    ICD-10 Codes:

    • R928: Other abnormal and inconclusive findings on diagnostic imaging of breast

    Also known as:

    • Mammogram for Breast Cancer Screening
    • Health Screening
    • Mammography
    • Breast Cancer Screening (PDQ®)
    • Mammograms
    • Breast X-ray
    • Breast Cancer Check

    ICD-10 Codes:

    • Z1231: Encounter for screening mammogram for malignant neoplasm of breast

    Also known as:

    • Breast Pain
    • Breast Disease
    • Mastalgia
    • Tender Breasts
    • Sore Breasts

    ICD-10 Codes:

    • N644: Mastodynia

    Also known as:

    • Calcium Spots on Mammogram
    • Mammography
    • Breast calcifications
    • Mammogram calcifications
    • Calcium deposits in breast

    ICD-10 Codes:

    • R921: Mammographic calcification found on diagnostic imaging of breast

    Also known as:

    • Other Personal Health Risks
    • Other health risk factors
    • Specific personal risks
    • Individual health concerns

    ICD-10 Codes:

    • Z9189: Other specified personal risk factors, not elsewhere classified

    Also known as:

    • Benign Breast Lump
    • Benign Tumor
    • Breast Disease
    • Non-cancerous breast mass
    • Breast fibroadenoma
    • Benign breast disease

    ICD-10 Codes:

    • D241: Benign neoplasm of right breast

    Also known as:

    • Other Specific Breast Disorder
    • Breast Disease
    • Various breast conditions
    • Miscellaneous breast ailments
    • Specific breast problems

    ICD-10 Codes:

    • N6489: Other specified disorders of breast

    Also known as:

    • Benign Left Breast Tumor
    • Benign Tumor
    • Breast Disease
    • Non-cancerous left breast growth
    • Left breast mass
    • Left breast lump

    ICD-10 Codes:

    • D242: Benign neoplasm of left breast

    Also known as:

    • Adult Health Checkup with Abnormal Findings
    • Health Checkup
    • Adult Physical Exam with Issues
    • Routine Checkup with Concerns
    • General Medical Exam with Abnormal Results

    ICD-10 Codes:

    • Z0001: Encounter for general adult medical examination with abnormal findings

    Which procedures does Dr. Greenwalt perform as a Surgeon?

    As a Surgeon, procedures performed by a Dr. Ian Greenwalt may include:

    For detailed information, please contact Dr. Greenwalt's office.

    Does Dr. Greenwalt accept my insurance?

    Dr. Greenwalt accepts most major insurance plans. Important: Please call our office at (202) 295-0560 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Greenwalt accept in Washington, DC?

    Dr. Greenwalt in Washington, DC accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • BCBS Unspecified

    • Cigna

    • CVS Health (formerly Aetna)

    • Elevance Health Inc. (formerly Anthem)

    • Express Scripts

    • Federal Employee Program

    • Humana

    • Medicare

    • Sentara Health System / Optima Health

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Greenwalt's office located?

    Dr. Ian Greenwalt's Primary Practice

    3800 Reservoir Rd NW

    Washington, DC 20007

    (202) 295-0560

    Get Directions

    Dr. Ian Greenwalt's Practice 2

    5454 Wisconsin Ave Ste 1100

    Bethesda, MD 20815

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    Dr. Ian Greenwalt's Practice 3

    15195 Heathcote Blvd Ste 240

    Haymarket, VA 20169

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

    Dr. Greenwalt's National Provider Identifier (NPI) number is 1720405665.

    What common questions do patients ask about Dr. Greenwalt?

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

    What is Dr. Ian Greenwalt's specialty?

    Dr. Greenwalt is a Surgeon near Washington, DC. 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. Contact Dr. Greenwalt to book an appointment today.

    Is this Dr. Ian Greenwalt affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Greenwalt is affiliated with Medstar Georgetown University Hospital which is a Castle Connolly Top Hospital. 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 Surgeon?

    Explore Surgeon 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 Ian Greenwalt accepting new patients in Washington, DC?

    Yes, Dr. Ian Greenwalt is accepting new patients at this time.

    Does Dr. Ian Greenwalt offer online booking?

    Please contact Dr. Greenwalt's office at (202) 295-0560 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Ian Greenwalt?

    Please contact Dr. Greenwalt's office at (202) 295-0560 for information regarding telehealth appointment availability or for scheduling assistance.

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