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Dr. Alexander Geng, MD

Radiation Oncologist, Internist, Therapeutic Radiologist

San Francisco, CA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Geng, Radiation Oncologist in San Francisco, CA?

    Dr. Alexander Geng, MD is a Radiation Oncologist, who primarily practices in San Francisco, CA. Dr. Geng is fluent in English and Chinese, and is currently seeing new patients. Dr. Geng’s practice accepts Medicaid, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Geng’s office at (415) 353-6420.

    What languages does Dr. Geng speak?

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

    • Chinese
    • English

    What conditions does a Radiation Oncologist like Dr. Geng typically treat?

    As a Radiation Oncologist, Dr. Geng 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. Geng. 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 Follow-up Exam
    • Secondary Bone Cancer
    • Secondary Brain Cancer
    • Cancer
    • Bone Cancer
    • Brain Tumor
    • Post-cancer treatment checkup
    • Malignancy surveillance
    • Oncology follow-up
    • Metastatic bone cancer
    • Cancer spread to bone
    • Bone metastases
    • Metastatic brain cancer
    • Brain metastases
    • Cancer spread to brain

    ICD-10 Codes:

    • Z08: Encounter for follow-up examination after completed treatment for malignant neoplasm
    • C7951: Secondary malignant neoplasm of bone
    • C7931: Secondary malignant neoplasm of brain

    Also known as:

    • Cancer Radiation Therapy
    • Radiation Therapy
    • Radiation Therapy to Treat Cancer
    • Radiation treatment for cancer
    • Oncology radiation
    • Radiotherapy

    ICD-10 Codes:

    • Z510: Encounter for antineoplastic radiation therapy

    Also known as:

    • Lung Cancer
    • Bronchial cancer
    • Malignant neoplasm of lung
    • Pulmonary cancer

    ICD-10 Codes:

    • C3490: Malignant neoplasm of unspecified part of unspecified bronchus or lung

    What procedures does a Radiation Oncologist like Dr. Geng typically perform?

    As a Radiation Oncologist, Dr. Geng 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. Geng. 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:

    • Flexible Diagnostic Laryngoscopy
    • Voice Box Exam
    • Flexible Laryngoscope
    • Throat Scope
    • Diagnostic Throat Exam

    CPT Codes:

    • 31575: Laryngoscopy, flexible; diagnostic

    Also known as:

    • Soft Tissue Marker Placement
    • Localization device insertion
    • Percutaneous tissue marking
    • Biopsy site marker placement
    • Radioactive seed placement

    CPT Codes:

    • 10035: Placement of soft tissue localization device(s) (eg, clip, metallic pellet, wire/needle, radioactive seeds), percutaneous, including imaging guidance; first lesion

    Does Dr. Geng accept my insurance?

    Dr. Geng accepts most major insurance plans. Important: Please call our office at (415) 353-6420 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Geng accept in San Francisco, CA?

    Dr. Geng in San Francisco, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • All Other Commercial

    • Centene Corporation

    • Chinese Community Health Plan

    • CVS Health (formerly Aetna)

    • HealthRight Group

    • Hill Physicians Medical Group

    • Medicare

    • Other Health Care Provider

    • State of California

    • The Health Care Group

    View All Insurances

    Where is Dr. Geng's office located?

    Level B Department Of Radiation Oncology

    900 Hyde St

    San Francisco, CA 94109

    (415) 353-6420

    Get Directions

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

    Dr. Geng's National Provider Identifier (NPI) number is 1790066090.

    What common questions do patients ask about Dr. Geng?

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

    What is Dr. Alexander Geng's specialty?

    Dr. Geng is a Radiation Oncologist near San Francisco, CA.

    What does a Radiation Oncologist do?

    A radiological oncologist specializes in the therapeutic applications of radiant energy and its modifiers. They focus on the study and management of diseases, particularly malignant tumors.

    Is Dr. Alexander Geng affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Geng is affiliated with Ucsf Health Saint Francis Hospital, California Pacific Medical Center - Van Ness Campus, California Pacific Medical Center - Davies Campus, California Pacific Medical Center - Mission Bernal Campus, Mills-Peninsula Medical Center, Ucsf Health St. Mary's 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 Radiation Oncologist?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see a Radiation Oncologist. 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. Alexander Geng accepting new patients in San Francisco, CA?

    Yes, Dr. Alexander Geng is accepting new patients at this time.

    Does Dr. Alexander Geng offer online booking?

    Please contact Dr. Geng's office at (415) 353-6420 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Dr. Alexander Geng?

    Please contact Dr. Geng's office at (415) 353-6420 to schedule an appointment.

    Where is Dr. Geng's office located?

    Dr. Geng's office is located in San Francisco, CA.