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Dr. Christopher John Co, MD

Milpitas, CA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Co, Internist in Milpitas, CA?

    Dr. Christopher John Co, MD is an Internist, who primarily practices in Milpitas, CA with 2 additional practice locations. He is board certified. Dr. Co is fluent in English, Arabic, and Spanish, and is currently seeing new patients. Dr. Co’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Co’s office at (408) 790-2900.

    What languages does Dr. Co speak?

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

    • Arabic

    • English

    • Spanish

    What conditions does Dr. Co treat?

    As a Internist, Dr. Co 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. Co. 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:

    • High Blood Pressure
    • Hypertension
    • Primary Hypertension
    • Essential Hypertension

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    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:

    • Type 2 Diabetes
    • Diabetes Type 2
    • Type 2 diabetes
    • Diabetes Mellitus Type 2
    • Adult-Onset Diabetes
    • Non-Insulin Dependent Diabetes

    ICD-10 Codes:

    • E119: Type 2 diabetes mellitus without complications

    Also known as:

    • Chronic Hepatitis B
    • Hepatitis B
    • Long-term Hepatitis B
    • Persistent Hepatitis B
    • Hep B

    ICD-10 Codes:

    • B181: Chronic viral hepatitis B without delta-agent

    Also known as:

    • Common Cold
    • Upper Respiratory Infection
    • Head Cold
    • Cold Symptoms

    ICD-10 Codes:

    • J069: Acute upper respiratory infection, unspecified

    Also known as:

    • Pain in Right Knee
    • Pain in Left Knee
    • Knee Injuries and Disorder
    • Pain
    • Right Knee Ache
    • Right Knee Discomfort
    • Sore Right Knee
    • Left Knee Ache
    • Left Knee Discomfort
    • Sore Left Knee

    ICD-10 Codes:

    • M25561: Pain in right knee
    • M25562: Pain in left knee

    Also known as:

    • Low Back Pain
    • Back Pain
    • Lumbago
    • Lower Back Ache
    • Backache

    ICD-10 Codes:

    • M5450: Low back pain, unspecified

    Also known as:

    • COVID-19
    • COVID-19 (Coronavirus Disease 2019)
    • Coronavirus Disease 2019
    • SARS-CoV-2 Infection
    • Novel Coronavirus

    ICD-10 Codes:

    • U071: COVID-19

    Also known as:

    • Atrial Fibrillation
    • Afib
    • A-fib
    • Irregular heart rhythm

    ICD-10 Codes:

    • I4891: Unspecified atrial fibrillation
    • I480: Paroxysmal atrial fibrillation

    Also known as:

    • Routine Adult Health Checkup
    • Health Checkup
    • Adult physical exam
    • Annual wellness visit for adults
    • General adult medical exam

    ICD-10 Codes:

    • Z0000: Encounter for general adult medical examination without abnormal findings

    Also known as:

    • Dermatitis
    • Eczema
    • Rashes
    • Atopic Dermatitis
    • Skin Inflammation
    • Skin Rash

    ICD-10 Codes:

    • L309: Dermatitis, unspecified

    Also known as:

    • Dizziness
    • Dizziness and Vertigo
    • Lightheadedness
    • Giddiness
    • Vertigo

    ICD-10 Codes:

    • R42: Dizziness and giddiness

    Also known as:

    • COPD
    • Chronic Obstructive Pulmonary Disease
    • Chronic Lung Disease
    • Emphysema and Chronic Bronchitis

    ICD-10 Codes:

    • J449: Chronic obstructive pulmonary disease, unspecified

    Also known as:

    • Chronic Atrial Fibrillation
    • Atrial Fibrillation
    • Persistent AFib
    • Long-term AFib
    • Ongoing Atrial Fibrillation

    ICD-10 Codes:

    • I4820: Chronic atrial fibrillation, unspecified

    Also known as:

    • Abnormal Tuberculosis Blood Test Result
    • Positive TB Blood Test
    • Interferon Gamma Release Assay Reaction
    • IGRA Positive

    ICD-10 Codes:

    • R7612: Nonspecific reaction to cell mediated immunity measurement of gamma interferon antigen response without active tuberculosis

    Also known as:

    • Osteoporosis Screening
    • Health Screening
    • Bone Density Test
    • Bone Health Screening
    • DEXA Scan

    ICD-10 Codes:

    • Z13820: Encounter for screening for osteoporosis

    Also known as:

    • Other Pre-Procedure Examination
    • Various pre-op checks
    • Miscellaneous pre-surgery exams
    • Other pre-treatment assessments

    ICD-10 Codes:

    • Z01818: Encounter for other preprocedural examination

    Also known as:

    • Acute Cough
    • Cough
    • Sudden cough
    • Short-term cough
    • New cough

    ICD-10 Codes:

    • R051: Acute cough

    Which procedures does Dr. Co perform as a Internist?

    As a Internist, procedures performed by an Dr. Christopher John Co may include:

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

    Does Dr. Co accept my insurance?

    Dr. Co accepts most major insurance plans. Important: Please call our office at (408) 790-2900 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Co accept in Milpitas, CA?

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

    Top Insurances

    • Alameda Alliance

    • Alignment Health Plan

    • All Other Territories

    • All Other Third Party

    • BCBS Unspecified

    • Blue Shield of California

    • Medicare

    • OptumRx

    • Other Provider Networks

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Co's office located?

    Dr. Christopher John Co's Primary Practice

    315 S Abbott Ave

    Milpitas, CA 95035

    (408) 790-2900

    Get Directions

    Dr. Christopher John Co's Practice 2

    818 Webster St

    Oakland, CA 94607

    Get Directions

    Dr. Christopher John Co's Practice 3

    250 E 18th St

    Oakland, CA 94606

    (510) 735-3888

    Get Directions

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

    Dr. Co's National Provider Identifier (NPI) number is 1679704969.

    What common questions do patients ask about Dr. Co?

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

    What is Dr. Christopher John Co's specialty?

    Dr. Co is a Internist near Milpitas, CA.

    A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

    Contact Dr. Co to book an appointment today.

    Is this Dr. Christopher John Co affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Co is affiliated with Alta Bates Summit Medical Center - Summit Campus 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 Internist?

    Explore Internist 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 Christopher John Co accepting new patients in Milpitas, CA?

    Yes, Dr. Christopher John Co is accepting new patients at this time.

    Does Dr. Christopher John Co offer online booking?

    Please contact Dr. Co's office at (408) 790-2900 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Christopher John Co?

    Please contact Dr. Co's office at (408) 790-2900 for information regarding telehealth appointment availability or for scheduling assistance.

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