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Dr. Mark Tu, MD

Walnut Creek, CA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Tu, Diagnostic Radiologist in Walnut Creek, CA?

    Dr. Mark Tu, MD is a Diagnostic Radiologist, who primarily practices in Walnut Creek, CA with 2 additional practice locations. He is board certified. Dr. Tu completed his residency at La Co Harbor Ucla Med Ctr, Diagnostic Radiology La Co Harbor Ucla Med Ctr, Flexible Or Transitional Year. Dr. Tu is fluent in English, and is currently seeing new patients. Dr. Tu’s practice accepts Kaiser Permanente, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Tu’s office at (925) 295-1545.

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

    • Residency: La Co Harbor Ucla Med Ctr, Diagnostic Radiology La Co Harbor Ucla Med Ctr, Flexible Or Transitional Year

    • Medical School: University of Tx Med Branch Galveston, Galveston Tx

    Is Dr. Tu board certified as a Diagnostic Radiologist?

    Yes, Dr. Mark Tu, MD is board certified by the American Board of Radiology

    What languages does Dr. Tu speak?

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

    • English

    What conditions does a Diagnostic Radiologist like Dr. Tu typically treat?

    As a Diagnostic Radiologist, Dr. Tu 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. Tu. 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:

    • 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:

    • Chest Pain
    • Chest discomfort
    • Thoracic pain
    • Upper body pain

    ICD-10 Codes:

    • R079: Chest pain, unspecified

    Also known as:

    • Headache
    • Head pain
    • Cephalalgia
    • Tension headache

    ICD-10 Codes:

    • R519: Headache, unspecified

    Also known as:

    • Shortness of Breath
    • Breathing Problems
    • Difficulty breathing
    • Breathlessness
    • Dyspnea

    ICD-10 Codes:

    • R0602: Shortness of breath

    Also known as:

    • Abdominal Pain
    • Stomach Ache
    • Belly Pain
    • Stomach Pain

    ICD-10 Codes:

    • R109: Unspecified abdominal pain

    Also known as:

    • Neck Pain
    • Neck Injuries and Disorder
    • Cervical Pain
    • Sore Neck
    • Neck Ache

    ICD-10 Codes:

    • M542: Cervicalgia

    Also known as:

    • Other Abnormal Findings on Lung Scan
    • Unusual Lung Scan Results
    • Atypical Lung Imaging
    • Nonspecific Lung Abnormality

    ICD-10 Codes:

    • R918: Other nonspecific abnormal finding of lung field

    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

    What procedures does a Diagnostic Radiologist like Dr. Tu typically perform?

    As a Diagnostic Radiologist, Dr. Tu 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. Tu. 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:

    • Ultrasound-Guided Breast Biopsy
    • Additional Breast Biopsy with Ultrasound Guidance
    • Breast Biopsy
    • Percutaneous Breast Biopsy
    • Breast Tissue Sample
    • Breast Lesion Biopsy with Clip
    • Percutaneous Breast Biopsy (Additional Lesion)
    • Breast Tissue Sample (Multiple Sites)

    CPT Codes:

    • 19083: Biopsy, breast, with placement of breast localization device(s) (eg, clip, metallic pellet), when performed, and imaging of the biopsy specimen, when performed, percutaneous; first lesion, including ultrasound guidance
    • 19084: Biopsy, breast, with placement of breast localization device(s) (eg, clip, metallic pellet), when performed, and imaging of the biopsy specimen, when performed, percutaneous; each additional lesion, including ultrasound guidance (List separately in addition to code for primary procedure)

    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

    Also known as:

    • Breast Cyst Aspiration
    • Breast Cyst Drainage
    • Puncture of Breast Cyst

    CPT Codes:

    • 19000: Puncture aspiration of cyst of breast;

    Also known as:

    • Superficial Lymph Node Needle Biopsy
    • Biopsy
    • Needle Lymph Node Biopsy
    • Cervical Lymph Node Biopsy
    • Inguinal Lymph Node Biopsy
    • Axillary Lymph Node Biopsy

    CPT Codes:

    • 38505: Biopsy or excision of lymph node(s); by needle, superficial (eg, cervical, inguinal, axillary)

    Also known as:

    • Ultrasound-Guided Fine Needle Biopsy
    • Ultrasound-Guided Fine Needle Aspiration Biopsy
    • Biopsy
    • Ultrasound
    • FNA Biopsy with Ultrasound
    • Image-Guided Biopsy
    • Fine Needle Aspiration
    • First Lesion Biopsy
    • Needle Biopsy with Ultrasound

    CPT Codes:

    • 10005: Fine needle aspiration biopsy, including ultrasound guidance; first lesion
    • 10006: Fine needle aspiration biopsy, including ultrasound guidance; each additional lesion (List separately in addition to code for primary procedure)

    Does Dr. Tu accept my insurance?

    Dr. Tu accepts most major insurance plans. Important: Please call our office at (925) 295-1545 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Tu accept in Walnut Creek, CA?

    Dr. Tu in Walnut Creek, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Blue Shield of California

    • Cigna Group

    • Contra Costa

    • CVS Health (formerly Aetna)

    • Hill Physicians Medical Group

    • Humana

    • Medicare

    • Molina Healthcare

    • State of California

    • UnitedHealth Group

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    Where is Dr. Tu's office located?

    Dr. Mark Tu's Primary Practice

    2125 Oak Grove Rd Ste 200

    Walnut Creek, CA 94598

    (925) 295-1545

    Get Directions

    Santa Clava Vly Med

    751 S Bascom Ave

    San Jose, CA 95128

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    Dr. Mark Tu's Practice 3

    5730 Telegraph Ave

    Oakland, CA 94609

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

    Dr. Tu's National Provider Identifier (NPI) number is 1144262452.

    What common questions do patients ask about Dr. Tu?

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

    What is Dr. Mark Tu's specialty?

    Dr. Tu is a Diagnostic Radiologist near Walnut Creek, CA.

    What does a Diagnostic Radiologist do?

    A radiologist is a medical doctor who specializes in using imaging technologies to diagnose, manage, and treat various medical conditions. Radiologists typically focus on Diagnostic Radiology, Interventional Radiology, or Radiation Oncology, and may also obtain certifications in a range of subspecialties, such as neuroradiology, musculoskeletal radiology, or pediatric radiology. Additionally, board certifications are available in Medical Physics, which ensures the safe and effective use of radiation in imaging and treatment. Radiologists collaborate with other healthcare professionals to interpret imaging results and help guide patient care decisions.

    Is Dr. Mark Tu affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Tu is affiliated with John Muir Health Walnut Creek Medical Center, John Muir Health Concord Medical Center, Sutter Delta Medical Center, Eden Medical Center, Alta Bates Summit Medical Center - Summit Campus, Sutter Solano Medical Center 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 Diagnostic Radiologist?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see a Diagnostic Radiologist. 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. Mark Tu accepting new patients in Walnut Creek, CA?

    Yes, Dr. Mark Tu is accepting new patients at this time.

    Does Dr. Mark Tu offer online booking?

    Please contact Dr. Tu's office at (925) 295-1545 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Dr. Mark Tu?

    Please contact Dr. Tu's office at (925) 295-1545 to schedule an appointment.

    Where is Dr. Tu's office located?

    Dr. Tu's offices are located in Walnut Creek, CA, San Jose, CA, and Oakland, CA.

    Which board certifications does Dr. Mark Tu have?

    Dr. Mark Tu is certified by the American Board of Radiology.