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Dr. Michael Chai, MD

Upland, CA

26 Years of Experience

Accepting patients

    Who is Dr. Chai, Internist in Upland, CA?

    Dr. Michael Chai, MD is an Internist, who primarily practices in Upland, CA with 2 additional practice locations. He has been practicing for over 26 years and is board certified by the American Board of Internal Medicine. Dr. Chai graduated from Eastern Virginia Medical School and completed his residency at Huntington Mem Hosp, Internal Medicine. Dr. Chai is fluent in English, Korean, and Spanish, and is currently seeing new patients. Dr. Chai’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Chai’s office at (909) 920-6672.

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

    • Residency: Huntington Mem Hosp, Internal Medicine | Huntington Memorial Hospital Program

    • Medical School: Eastern Virginia Medical School

    Is Dr. Chai board certified in Internist?

    Yes, Dr. Michael Chai, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Chai speak?

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

    • English

    • Korean

    • Spanish

    What conditions does Dr. Chai treat?

    As a Internist, Dr. Chai 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. Chai. 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:

    • Chest Pain
    • Chest discomfort
    • Thoracic pain
    • Pectoral pain

    ICD-10 Codes:

    • R0789: Other chest pain

    Also known as:

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

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    Also known as:

    • High Cholesterol
    • Cholesterol
    • Triglycerides
    • Hyperlipidemia
    • High lipids
    • Dyslipidemia

    ICD-10 Codes:

    • E785: Hyperlipidemia, unspecified

    Also known as:

    • Generalized Muscle Weakness
    • Muscle Disorder
    • Overall Body Weakness
    • Widespread Muscle Weakness
    • Systemic Muscle Weakness

    ICD-10 Codes:

    • M6281: Muscle weakness (generalized)

    Also known as:

    • Other Specific B Vitamin Deficiency
    • B Vitamins
    • Malnutrition
    • Specific B Vitamin Shortage
    • Less Common B Vitamin Deficiency
    • Rare B Vitamin Deficiency

    ICD-10 Codes:

    • E538: Deficiency of other specified B group vitamins

    Also known as:

    • Diabetes Complicationss
    • Diabetes Type 2
    • Type 2 diabetes
    • Diabetes Mellitus Complications
    • Diabetes Related Health Problems
    • Advanced Diabetes

    ICD-10 Codes:

    • E118: Type 2 diabetes mellitus with unspecified complications

    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:

    • Adult Health Checkup with Abnormal Findings
    • Health Checkup
    • Adult Physical Exam with Issues
    • Routine Checkup with Concerns
    • General Medical Exam with Abnormal Results

    ICD-10 Codes:

    • Z0001: Encounter for general adult medical examination with abnormal findings

    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:

    • Hypothyroidism
    • Congenital hypothyroidism
    • Hypothyroidism (Underactive Thyroid)
    • Underactive Thyroid
    • Low Thyroid Function

    ICD-10 Codes:

    • E039: Hypothyroidism, unspecified

    Also known as:

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

    ICD-10 Codes:

    • Z23: Encounter for immunization

    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

    Also known as:

    • Back Pain
    • Backache
    • Dorsalgia
    • Spinal Pain

    ICD-10 Codes:

    • M549: Dorsalgia, unspecified

    Also known as:

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

    ICD-10 Codes:

    • D649: Anemia, unspecified

    Also known as:

    • Acute Bronchitis
    • Chest cold
    • Short-term bronchitis
    • Acute chest infection

    ICD-10 Codes:

    • J209: Acute bronchitis, unspecified

    Also known as:

    • High Blood Sugar
    • Hyperglycemia
    • Elevated Glucose
    • Unspecified High Blood Sugar

    ICD-10 Codes:

    • R739: Hyperglycemia, unspecified

    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:

    • Blocked Earwax
    • Ear Disorder
    • Impacted Earwax
    • Excessive Earwax
    • Earwax Impaction

    ICD-10 Codes:

    • H6120: Impacted cerumen, unspecified ear

    Also known as:

    • Swelling
    • Edema
    • Fluid Retention
    • Bloating

    ICD-10 Codes:

    • R609: Edema, unspecified

    Which procedures does Dr. Chai perform as a Internist?

    As a Internist, procedures performed by an Dr. Michael Chai may include:

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

    Does Dr. Chai accept my insurance?

    Dr. Chai accepts most major insurance plans. Important: Please call our office at (909) 920-6672 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Chai accept in Upland, CA?

    Dr. Chai in Upland, 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

    • Blue Shield of California

    • CVS Health (formerly Aetna)

    • Express Scripts

    • Heritage Health

    • Medicare

    • OptumRx

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Chai's office located?

    Dr. Michael Chai's Primary Practice

    1113 Alta Ave Ste 106

    Upland, CA 91786

    (909) 920-6672

    Get Directions

    Dr. Michael Chai's Practice 2

    999 San Bernardino Rd

    Upland, CA 91786

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    Dr. Michael Chai's Practice 3

    490 N Mountain Ave Ste B

    Upland, CA 91786

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

    Dr. Chai's National Provider Identifier (NPI) number is 1083748727.

    What common questions do patients ask about Dr. Chai?

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

    What is Dr. Michael Chai's specialty?

    Dr. Chai is a Internist near Upland, 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. Chai to book an appointment today.

    Is this Dr. Michael Chai affiliated with a ranked Castle Connolly Top Hospital?

    No, Chai is not affiliated with a Castle Connolly Top Hospital, but is affiliated with the following hospitals: Pomona Valley Hospital 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 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 Michael Chai accepting new patients in Upland, CA?

    Yes, Dr. Michael Chai is accepting new patients at this time.

    Does Dr. Michael Chai offer online booking?

    Please contact Dr. Chai's office at (909) 920-6672 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Michael Chai?

    Please contact Dr. Chai's office at (909) 920-6672 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Michael Chai have?

    Dr. Michael Chai is certified by the American Board of Internal Medicine.

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