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Dr. Chimezie Ubbaonu, MD

Vallejo, CA

Accepting patients

    Who is Dr. Ubbaonu, Hematology / Oncology Specialist in Vallejo, CA?

    Dr. Chimezie Ubbaonu, MD is a Hematology / Oncology Specialist, who primarily practices in Vallejo, CA with 2 additional practice locations. He is board certified. Dr. Ubbaonu is fluent in English, and is currently seeing new patients. Dr. Ubbaonu’s practice accepts Kaiser Permanente, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Ubbaonu’s office at (916) 627-8081.

    What languages does Dr. Ubbaonu speak?

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

    • English

    What conditions does Dr. Ubbaonu treat?

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

    • Colorectal Cancer
    • Rectal cancer
    • Colon cancer
    • Bowel cancer
    • Malignant neoplasm of rectum
    • Malignant neoplasm of colon

    ICD-10 Codes:

    • C20: Malignant neoplasm of rectum
    • C189: Malignant neoplasm of colon, unspecified

    Also known as:

    • Pancreatic Cancer
    • Pancreas Cancer
    • Malignant Pancreatic Tumor
    • Pancreatic Carcinoma

    ICD-10 Codes:

    • C259: Malignant neoplasm of pancreas, unspecified

    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

    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:

    • Anemia
    • Low Red Blood Cell Count
    • Low Hemoglobin
    • Iron deficiency

    ICD-10 Codes:

    • D649: Anemia, unspecified

    Also known as:

    • Prostate Cancer
    • Prostate Cancer Treatment (PDQ®)
    • Prostatic Carcinoma
    • Prostate Gland Cancer
    • Malignant Prostate Tumor

    ICD-10 Codes:

    • C61: Malignant neoplasm of prostate

    Also known as:

    • Polycythemia vera
    • Bone Marrow Disease
    • Chronic Myeloproliferative Neoplasms Treatment (PDQ)
    • PV
    • Primary polycythemia
    • Erythremia

    ICD-10 Codes:

    • D45: Polycythemia vera

    Also known as:

    • Melanoma of the Trunk
    • Melanoma
    • Malignant Melanoma of Body
    • Skin Cancer on Torso

    ICD-10 Codes:

    • C4359: Malignant melanoma of other part of trunk

    Also known as:

    • History of large intestine cancer
    • Colorectal Cancer
    • Past colon cancer
    • Colorectal cancer survivor
    • Previous large bowel malignancy

    ICD-10 Codes:

    • Z85038: Personal history of other malignant neoplasm of large intestine

    Also known as:

    • Hairy Cell Leukemia
    • Leukemia
    • Hairy Cell Leukemia Treatment (PDQ®)
    • HCL
    • Leukemic reticuloendotheliosis
    • B-cell lymphoproliferative disorder

    ICD-10 Codes:

    • C9140: Hairy cell leukemia not having achieved remission

    Also known as:

    • Peritoneal Mesothelioma
    • Mesothelioma
    • Malignant Mesothelioma Treatment (PDQ)
    • Abdominal Mesothelioma
    • Malignant Peritoneal Mesothelioma
    • Mesothelioma of Abdomen
    • Peritoneal Asbestos Cancer

    ICD-10 Codes:

    • C451: Mesothelioma of peritoneum

    Also known as:

    • High Platelet Count
    • Platelet Disorder
    • Thrombocytosis
    • Elevated platelet count
    • Too many platelets

    ICD-10 Codes:

    • D75839: Thrombocytosis, unspecified

    Also known as:

    • Anal Cancer
    • Anal Cancer Treatment (PDQ®)
    • Anus Cancer
    • Anal Carcinoma

    ICD-10 Codes:

    • C210: Malignant neoplasm of anus, unspecified

    Also known as:

    • Vitamin B12 Deficiency Anemia
    • Anemia
    • B Vitamins
    • B12 Anemia
    • Dietary B12 Anemia
    • Cobalamin Deficiency Anemia

    ICD-10 Codes:

    • D519: Vitamin B12 deficiency anemia, unspecified

    Which procedures does Dr. Ubbaonu perform as a Hematology / Oncology Specialist?

    As a Hematology / Oncology Specialist, procedures performed by a Dr. Chimezie Ubbaonu may include:

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

    Does Dr. Ubbaonu accept my insurance?

    Dr. Ubbaonu accepts most major insurance plans. Important: Please call our office at (916) 627-8081 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Ubbaonu accept in Vallejo, CA?

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

    Top Insurances

    • All Other Third Party

    • Contra Costa

    • CVS Health (formerly Aetna)

    • Department of Defense / Tricare

    • Express Scripts

    • Kaiser Permanente

    • Medicare

    • Partnership Health Plan

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Ubbaonu's office located?

    Dr. Chimezie Ubbaonu's Primary Practice

    975 Sereno Dr

    Vallejo, CA 94589

    (916) 627-8081

    Get Directions

    Dr. Chimezie Ubbaonu's Practice 2

    4445 Magnolia Ave

    Riverside, CA 92501

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    Dr. Chimezie Ubbaonu's Practice 3

    1 Quality Dr

    Vacaville, CA 95688

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

    Dr. Ubbaonu's National Provider Identifier (NPI) number is 1790004943.

    What common questions do patients ask about Dr. Ubbaonu?

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

    What is Dr. Chimezie Ubbaonu's specialty?

    Dr. Ubbaonu is a Hematology / Oncology Specialist near Vallejo, CA. 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. Ubbaonu to book an appointment today.

    Is this Dr. Chimezie Ubbaonu affiliated with a ranked Castle Connolly Top Hospital?

    No, Ubbaonu is not affiliated with a Castle Connolly Top Hospital, but is affiliated with the following hospitals: Vacaville Medical Center, Kaiser Permanente- Vallejo Medical Center, Kaiser Permanente - Sacramento Medical Center. Castle Connolly Top Hospitals 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 Chimezie Ubbaonu accepting new patients in Vallejo, CA?

    Yes, Dr. Chimezie Ubbaonu is accepting new patients at this time.

    Does Dr. Chimezie Ubbaonu offer online booking?

    Please contact Dr. Ubbaonu's office at (916) 627-8081 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Chimezie Ubbaonu?

    Please contact Dr. Ubbaonu's office at (916) 627-8081 for information regarding telehealth appointment availability or for scheduling assistance.

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