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Dr. Joseph Alonzo, MD

Covina, CA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Alonzo, Internist in Covina, CA?

    Dr. Joseph Alonzo, MD is an Internist, who primarily practices in Covina, CA with 2 additional practice locations. He is board certified. Dr. Alonzo completed his residency at Lac-King/Drew Med Ctr, Internal Medicine; Lac-King/Drew Med Ctr, Family Medicine; L A Co-Usc Med Ctr, Internal Medicine. Dr. Alonzo is fluent in English and Spanish, and is currently seeing new patients. Dr. Alonzo’s practice accepts Kaiser Permanente, Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Alonzo’s office at (626) 251-1559.

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

    • Residency: Lac-King/Drew Med Ctr, Internal Medicine; Lac-King/Drew Med Ctr, Family Medicine; L A Co-Usc Med Ctr, Internal Medicine | L a Co Usc Med Center

    • Medical School: University of Ca, Los Angeles, Ucla Sch of Med, Los Angeles Ca

    What languages does Dr. Alonzo speak?

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

    • English

    • Spanish

    What conditions does Dr. Alonzo treat?

    As a Internist, Dr. Alonzo 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. Alonzo. 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:

    • Type 2 Diabetes with High Blood Sugar
    • Type 2 Diabetes
    • Type 2 Diabetes with Diabetic Cataract
    • Diabetes Complicationss
    • Diabetes Type 2
    • Type 2 diabetes
    • Hyperglycemia
    • Cataract
    • Diabetes Mellitus Complications
    • Diabetes Related Health Problems
    • Advanced Diabetes
    • Diabetic Hyperglycemia
    • High Blood Glucose
    • High Sugar Levels
    • Diabetes Mellitus Type 2
    • Adult-Onset Diabetes
    • Non-Insulin Dependent Diabetes
    • Diabetes-related cataract
    • Cloudy lens from diabetes
    • Diabetic eye cataract

    ICD-10 Codes:

    • E1169: Type 2 diabetes mellitus with other specified complication
    • E1165: Type 2 diabetes mellitus with hyperglycemia
    • E119: Type 2 diabetes mellitus without complications
    • E1136: Type 2 diabetes mellitus with diabetic cataract

    Also known as:

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

    ICD-10 Codes:

    • Z23: Encounter for immunization

    Also known as:

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

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    Also known as:

    • General Disorder Screening
    • Cardiovascular Disorder Screening
    • Health Screening
    • General Health Check
    • Disease Screening
    • Medical Disorder Screening
    • Heart Disease Screening
    • Vascular Disease Check
    • Cardiac Screening

    ICD-10 Codes:

    • Z1389: Encounter for screening for other disorder
    • Z136: Encounter for screening for cardiovascular disorders

    Also known as:

    • High Cholesterol
    • Cholesterol
    • Triglycerides
    • Hypercholesterolemia
    • High blood cholesterol
    • Elevated cholesterol
    • Hyperlipidemia
    • High lipids
    • Dyslipidemia

    ICD-10 Codes:

    • E7800: Pure hypercholesterolemia, unspecified
    • E785: Hyperlipidemia, unspecified

    Also known as:

    • Vitamin D Deficiency
    • Low Vitamin D Levels
    • Lack of Vitamin D
    • Hypovitaminosis D

    ICD-10 Codes:

    • E559: Vitamin D deficiency, unspecified

    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:

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

    ICD-10 Codes:

    • M5450: Low back pain, unspecified

    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:

    • History of Other Medical Treatment
    • Past Medical Procedures
    • Previous Medical Care
    • History of Past Treatments

    ICD-10 Codes:

    • Z9289: Personal history of other medical treatment

    Also known as:

    • High Fasting Blood Sugar
    • Blood Glucose
    • Impaired Fasting Glucose
    • Prediabetes (Fasting)
    • Borderline Diabetes (Fasting)

    ICD-10 Codes:

    • R7301: Impaired fasting glucose

    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:

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

    ICD-10 Codes:

    • E039: Hypothyroidism, unspecified

    Also known as:

    • Chronic Kidney Disease, Stage 3
    • Chronic Kidney Disease
    • Chronic Kidney Disease (CKD)
    • CKD Stage 3
    • Moderate Chronic Kidney Disease

    ICD-10 Codes:

    • N1830: Chronic kidney disease, stage 3 unspecified

    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

    Which procedures does Dr. Alonzo perform as a Internist?

    As a Internist, procedures performed by an Dr. Joseph Alonzo may include:

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

    Does Dr. Alonzo accept my insurance?

    Dr. Alonzo accepts most major insurance plans. Important: Please call our office at (626) 251-1559 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Alonzo accept in Covina, CA?

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

    Top Insurances

    • Alignment Health Plan

    • All Other Third Party

    • Centene

    • City of Los Angeles

    • CVS Health (formerly Aetna)

    • Directors Guild of America Employees

    • Humana

    • Medicare

    • OptumRx

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Alonzo's office located?

    Dr. Joseph Alonzo's Primary Practice

    420 W Rowland St

    Covina, CA 91723

    (626) 251-1559

    Get Directions

    Dr. Joseph Alonzo's Practice 2

    1120 W Washington Blvd

    Los Angeles, CA 90015

    Get Directions

    Dr. Joseph Alonzo's Practice 3

    824 E Carson St Ste 104

    Carson, CA 90745

    Get Directions

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

    Dr. Alonzo's National Provider Identifier (NPI) number is 1225077050.

    What common questions do patients ask about Dr. Alonzo?

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

    What is Dr. Joseph Alonzo's specialty?

    Dr. Alonzo is a Internist near Covina, 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. Alonzo to book an appointment today.

    Is this Dr. Joseph Alonzo affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Alonzo is affiliated with Casa Colina Hospital And Centers For Healthcare 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 Joseph Alonzo accepting new patients in Covina, CA?

    Yes, Dr. Joseph Alonzo is accepting new patients at this time.

    Does Dr. Joseph Alonzo offer online booking?

    Please contact Dr. Alonzo's office at (626) 251-1559 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Joseph Alonzo?

    Please contact Dr. Alonzo's office at (626) 251-1559 for information regarding telehealth appointment availability or for scheduling assistance.

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