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Dr. Ernest Garnier, MD

Brooklyn, NY

19 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Garnier, Internist in Brooklyn, NY?

    Dr. Ernest Garnier, MD is an Internist, who primarily practices in Brooklyn, NY with 2 additional practice locations. He has been practicing for over 19 years. Dr. Garnier is fluent in English, Creoles and pidgins, and French, and is currently seeing new patients. Dr. Garnier’s practice accepts Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Garnier’s office.

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

    • Medical School: Suny-Hlth Sci Ctr At Brooklyn, Coll of Med, Brooklyn Ny | SUNY Downstate Medical Center College Of Medicine

    What languages does Dr. Garnier speak?

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

    • Creoles and pidgins

    • English

    • French

    What conditions does Dr. Garnier treat?

    As an Internist, Dr. Garnier 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. Garnier. 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:

    • Type 2 Diabetes
    • Type 2 Diabetes with High Blood Sugar
    • Diabetes Type 2
    • Type 2 diabetes
    • Hyperglycemia
    • Diabetes Mellitus Type 2
    • Adult-Onset Diabetes
    • Non-Insulin Dependent Diabetes
    • Diabetic Hyperglycemia
    • High Blood Glucose
    • High Sugar Levels

    ICD-10 Codes:

    • E119: Type 2 diabetes mellitus without complications
    • E1165: Type 2 diabetes mellitus with hyperglycemia

    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:

    • Heart Failure
    • Systolic Heart Failure
    • Congestive Heart Failure
    • CHF
    • Cardiac Insufficiency
    • Heart Failure with Reduced Ejection Fraction
    • HFrEF
    • Pumping Heart Failure

    ICD-10 Codes:

    • I509: Heart failure, unspecified
    • I5020: Unspecified systolic (congestive) heart failure

    Also known as:

    • Depression (Single Episode)
    • Depression
    • Major depression
    • Depressive episode
    • Clinical depression

    ICD-10 Codes:

    • F329: Major depressive disorder, single episode, unspecified

    Also known as:

    • Osteoarthritis
    • Degenerative Joint Disease
    • Wear-and-Tear Arthritis
    • Joint Degeneration

    ICD-10 Codes:

    • M1990: Unspecified osteoarthritis, unspecified site

    Also known as:

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

    ICD-10 Codes:

    • M5450: Low back pain, unspecified

    Also known as:

    • Asthma
    • Reactive Airway Disease
    • Bronchial Asthma
    • Allergic Asthma

    ICD-10 Codes:

    • J45909: Unspecified asthma, uncomplicated

    Also known as:

    • Hardening of the Arteries in the Heart without Chest Pain
    • Atherosclerosis
    • Coronary Artery Disease
    • Silent Coronary Artery Disease
    • Asymptomatic Atherosclerosis

    ICD-10 Codes:

    • I2510: Atherosclerotic heart disease of native coronary artery without angina pectoris

    Also known as:

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

    ICD-10 Codes:

    • D649: Anemia, 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:

    • 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:

    • End-Stage Kidney Disease
    • Kidney Failure
    • Chronic Kidney Disease (CKD)
    • Helping Your Child Adapt to Life with Chronic Kidney Disease
    • ESRD
    • End-Stage Renal Failure

    ICD-10 Codes:

    • N186: End stage renal disease

    Also known as:

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

    ICD-10 Codes:

    • E785: Hyperlipidemia, unspecified

    Also known as:

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

    ICD-10 Codes:

    • I4891: Unspecified atrial fibrillation

    Also known as:

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

    ICD-10 Codes:

    • Z23: Encounter for immunization

    Also known as:

    • Prediabetes
    • Insulin Resistance & Prediabetes
    • Borderline diabetes
    • Insulin resistance
    • High blood sugar (not yet diabetes)

    ICD-10 Codes:

    • R7303: Prediabetes

    Also known as:

    • Acid Reflux
    • GERD
    • Acid Reflux (GER & GERD) in Adults
    • Acid Reflux (GER & GERD) in Children
    • Acid Reflux (GER & GERD) in Infants
    • Gastroesophageal Reflux
    • Heartburn
    • Indigestion

    ICD-10 Codes:

    • K219: Gastro-esophageal reflux disease without esophagitis

    Which procedures does Dr. Garnier perform as an Internist?

    As an Internist, procedures performed by Dr. Ernest Garnier may include:

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

    Does Dr. Garnier accept my insurance?

    Dr. Garnier accepts most major insurance plans. Important: Please call our office at before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Garnier accept in Brooklyn, NY?

    Dr. Garnier in Brooklyn, NY accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • ASR Corporation

    • CVS Health (formerly Aetna)

    • Deutsche Bank

    • Elderplan

    • EmblemHealth

    • Healthfirst

    • Medicare

    • National Benefit Fund

    • State of Tennessee

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Garnier's office located?

    Dr. Ernest Garnier's Primary Practice

    470 Clarkson Ave

    Brooklyn, NY 11203

    Get Directions

    Dr. Ernest Garnier's Practice 2

    840 Lefferts Ave

    Brooklyn, NY 11203

    Get Directions

    Dr. Ernest Garnier's Practice 3

    2171 Nostrand Ave

    Brooklyn, NY 11210

    (718) 758-8920

    Get Directions

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

    Dr. Garnier's National Provider Identifier (NPI) number is 1942294566.

    What common questions do patients ask about Dr. Garnier?

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

    What is Dr. Ernest Garnier's specialty?

    Dr. Garnier is a Internist near Brooklyn, NY.

    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. Garnier to book an appointment today.

    Is this Dr. Ernest Garnier affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Garnier is affiliated with The Mount Sinai Hospital, SUNY Downstate Medical Center (University Hospital of Brooklyn), Mount Sinai Brooklyn 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 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 Ernest Garnier accepting new patients in Brooklyn, NY?

    Yes, Dr. Ernest Garnier is accepting new patients at this time.

    Does Dr. Ernest Garnier offer online booking?

    Please contact Dr. Garnier's office for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Ernest Garnier?

    Please contact Dr. Garnier's office for information regarding telehealth appointment availability or for scheduling assistance.

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