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Dr. John Otsuki, MD

Fontana, CA

19 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Otsuki, Family Medicine Specialist in Fontana, CA?

    Dr. John Otsuki, MD is a Family Medicine Specialist, who primarily practices in Fontana, CA with 1 additional practice location. He has been practicing for over 19 years and is board certified by the American Board of Family Medicine. Dr. Otsuki completed his residency at Kaiser Permanente Southern Ca, Family Medicine. Dr. Otsuki is fluent in English, and is currently seeing new patients. Dr. Otsuki’s practice accepts Kaiser Permanente, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Otsuki’s office at (909) 427-5000.

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

    • Residency: Kaiser Permanente Southern Ca, Family Medicine

    • Medical School: New York Med Coll- Valhalla Ny

    Is Dr. Otsuki board certified in Family Medicine Specialist?

    Yes, Dr. John Otsuki, MD is board certified by the American Board of Family Medicine

    What languages does Dr. Otsuki speak?

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

    • English

    What conditions does Dr. Otsuki treat?

    As a Family Medicine Specialist, Dr. Otsuki 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. Otsuki. 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:

    • Immunization Visit
    • Vaccines
    • Vaccination appointment
    • Shot visit
    • Immunization encounter

    ICD-10 Codes:

    • Z23: Encounter for immunization

    Also known as:

    • General Health Screening
    • Health Screening
    • Routine Check-up
    • Preventive Health Exam
    • Wellness Screening

    ICD-10 Codes:

    • Z139: Encounter for screening, unspecified

    Also known as:

    • Personal Choice Not to Vaccinate
    • Patient Refused Vaccination
    • Vaccine Refusal
    • Patient Declined Vaccination
    • Unvaccinated by Choice
    • Vaccine refusal
    • Refusal to vaccinate
    • Immunization refusal

    ICD-10 Codes:

    • Z2820: Immunization not carried out because of patient decision for unspecified reason
    • Z2821: Immunization not carried out because of patient refusal

    Also known as:

    • Ischemic Stroke
    • One-Sided Weakness or Paralysis After Ischemic Stroke
    • Paralysis
    • Stroke
    • Brain Attack
    • Cerebral Infarction
    • Brain Ischemia
    • Post-ischemic stroke hemiplegia
    • Partial paralysis from ischemic stroke
    • Ischemic stroke-related body weakness
    • Hemiparesis after brain infarction

    ICD-10 Codes:

    • I639: Cerebral infarction, unspecified
    • I69354: Hemiplegia and hemiparesis following cerebral infarction affecting left non-dominant side

    Also known as:

    • Other Chronic Pain Condition
    • Chronic Pain
    • Various chronic pain
    • Unspecified long-term pain
    • Persistent pain disorders

    ICD-10 Codes:

    • G8929: Other chronic pain

    Also known as:

    • Tuberculosis Screening
    • TB test
    • PPD test
    • Tuberculosis exposure check

    ICD-10 Codes:

    • Z111: Encounter for screening for respiratory tuberculosis

    Also known as:

    • Urinary Tract Infection
    • UTI
    • Bladder infection
    • Kidney infection
    • Urine infection

    ICD-10 Codes:

    • N390: Urinary tract infection, site not specified

    Also known as:

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

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    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:

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

    ICD-10 Codes:

    • J069: Acute upper respiratory infection, unspecified

    Also known as:

    • Sepsis
    • Blood Poisoning
    • Septicemia
    • Systemic Bacterial Infection

    ICD-10 Codes:

    • A419: Sepsis, unspecified organism

    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:

    • Fatigue
    • Tiredness
    • Lack of energy
    • Exhaustion

    ICD-10 Codes:

    • R5383: Other fatigue

    Also known as:

    • Heart Failure
    • Congestive Heart Failure
    • CHF
    • Cardiac Insufficiency

    ICD-10 Codes:

    • I509: Heart failure, unspecified

    Also known as:

    • Obesity
    • Take Charge of Your Health: A Guide for Teenagers
    • Excess Weight
    • Being Overweight
    • High BMI

    ICD-10 Codes:

    • E669: Obesity, unspecified

    Also known as:

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

    ICD-10 Codes:

    • R42: Dizziness and giddiness

    Also known as:

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

    ICD-10 Codes:

    • M25561: Pain in right knee

    Also known as:

    • Pinched Nerve in Lower Back
    • Back Pain
    • Peripheral Nerve Disorder
    • Lumbar Radiculopathy
    • Lower Back Nerve Compression
    • Compressed Nerve in Lower Back

    ICD-10 Codes:

    • M5416: Radiculopathy, lumbar region

    Which procedures does Dr. Otsuki perform as a Family Medicine Specialist?

    As a Family Medicine Specialist, procedures performed by a Dr. John Otsuki may include:

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

    Does Dr. Otsuki accept my insurance?

    Dr. Otsuki accepts most major insurance plans. Important: Please call our office at (909) 427-5000 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Otsuki accept in Fontana, CA?

    Dr. Otsuki in Fontana, 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

    • DaVita Medical Group

    • Elevance Health Inc. (formerly Anthem)

    • Express Scripts

    • Heritage Health

    • Inland Empire

    • Kaiser Permanente

    • Medicare

    • Other Health Care Provider

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Otsuki's office located?

    Dr. John Otsuki's Primary Practice

    9961 Sierra Ave

    Fontana, CA 92335

    (909) 427-5000

    Get Directions

    Dr. John Otsuki's Practice 2

    10850 Arrow Rte

    Rancho Cucamonga, CA 91730

    Get Directions

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

    Dr. Otsuki's National Provider Identifier (NPI) number is 1952460602.

    What common questions do patients ask about Dr. Otsuki?

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

    What is Dr. John Otsuki's specialty?

    Dr. Otsuki is a Family Medicine Specialist near Fontana, CA. Family Medicine is a medical specialty focused on comprehensive healthcare for individuals and families. It is a broad field that integrates biological, clinical, and behavioral sciences. The scope of family medicine covers all ages, genders, organ systems, and disease conditions, offering a holistic approach to patient care. Contact Dr. Otsuki to book an appointment today.

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

    Yes, Dr. Otsuki is affiliated with San Antonio Regional Hospital, Kaiser Permanente Fontana Medical Center, Casa Colina Hospital And Centers For Healthcare 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

    Where can I learn more about Family Medicine Specialist?

    Explore Family Medicine 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 John Otsuki accepting new patients in Fontana, CA?

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

    Does Dr. John Otsuki offer online booking?

    Please contact Dr. Otsuki's office at (909) 427-5000 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with John Otsuki?

    Please contact Dr. Otsuki's office at (909) 427-5000 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. John Otsuki have?

    Dr. John Otsuki is certified by the American Board of Family Medicine.

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