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Dr. Ronald Fagan, MD

Farmingdale, NY

Accepting patients
Online booking

    Who is Dr. Fagan, Internist in Farmingdale, NY?

    Dr. Ronald Fagan, MD is an Internist, who primarily practices in Farmingdale, NY. He is board certified. Dr. Fagan graduated from Universidad Nacional Autonoma de Honduras Facultad de Ciencias Medicas and completed his residency at Brooklyn Hosp Ctr, Gastroenterology; Long Island Jewish Med Ctr, Internal Medicine. Dr. Fagan is fluent in English and Spanish, and is currently seeing new patients. Dr. Fagan’s practice accepts Cigna, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Fagan’s office at (516) 752-7000.

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

    • Residency: Brooklyn Hosp Ctr, Gastroenterology; Long Island Jewish Med Ctr, Internal Medicine | Brooklyn Hospital Center Program

    • Medical School: Universidad Nacional Autonoma de Honduras Facultad de Ciencias Medicas | Icahn School of Medicine at Mount Sinai | Universidad AutÛnoma de Guadalajara Facultad de Medicina

    What languages does Dr. Fagan speak?

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

    • English

    • Spanish

    What conditions does Dr. Fagan treat?

    As a Internist, Dr. Fagan 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. Fagan. 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:

    • Mixed High Cholesterol and Triglycerides
    • Cholesterol
    • Triglycerides
    • Mixed hyperlipidemia
    • Combined hyperlipidemia
    • High lipids

    ICD-10 Codes:

    • E782: Mixed hyperlipidemia

    Also known as:

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

    ICD-10 Codes:

    • 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:

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

    ICD-10 Codes:

    • J069: Acute upper respiratory infection, unspecified

    Also known as:

    • General Counseling Services
    • Personal Counseling
    • Life Coaching
    • Support Services

    ICD-10 Codes:

    • Z7189: Other specified counseling

    Also known as:

    • Magnesium Metabolism Disorder
    • Phosphorus Metabolism Disorder
    • Metabolic Disorder
    • Magnesium Imbalance
    • Magnesium Processing Problems
    • Electrolyte Imbalance
    • Phosphate Metabolism Disorders
    • Phosphorus Imbalance
    • Abnormal Phosphorus Levels

    ICD-10 Codes:

    • E8340: Disorders of magnesium metabolism, unspecified
    • E8339: Other disorders of phosphorus metabolism

    Also known as:

    • Change in Bowel Habits
    • Bowel Movement
    • Altered Bowel Habits
    • Irregular Bowel Movements
    • Changes in Pooping

    ICD-10 Codes:

    • R194: Change in bowel habit

    Also known as:

    • Shortness of Breath
    • Breathing Problems
    • Difficulty breathing
    • Breathlessness
    • Dyspnea

    ICD-10 Codes:

    • R0602: Shortness of breath

    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:

    • General Disorder Screening
    • Health Screening
    • General Health Check
    • Disease Screening
    • Medical Disorder Screening

    ICD-10 Codes:

    • Z1389: Encounter for screening for other disorder

    Also known as:

    • Abnormal Blood Chemistry
    • Blood
    • Irregular blood test results
    • Unusual blood work
    • Abnormal blood panel

    ICD-10 Codes:

    • R799: Abnormal finding of blood chemistry, unspecified

    Also known as:

    • Heart Murmur
    • Congenital Heart Defects
    • Heart Valve Disease
    • Cardiac murmur
    • Abnormal heart sound
    • Heart sound abnormality

    ICD-10 Codes:

    • R011: Cardiac murmur, unspecified

    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:

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

    ICD-10 Codes:

    • E1169: Type 2 diabetes mellitus with other specified complication

    Also known as:

    • High Liver Enzymes
    • ALT Blood Test
    • AST Test
    • Elevated ALT
    • Elevated AST
    • Abnormal liver function test

    ICD-10 Codes:

    • R7401: Elevation of levels of liver transaminase levels

    Also known as:

    • Endocrine Disorder
    • Endocrine Disease
    • Hormone disorder
    • Gland problem

    ICD-10 Codes:

    • E349: Endocrine disorder, unspecified

    Also known as:

    • Other Abnormal Enzyme Levels
    • Unspecified high enzymes
    • Various enzyme abnormalities
    • Abnormal serum enzyme levels

    ICD-10 Codes:

    • R748: Abnormal levels of other serum enzymes

    Also known as:

    • Hyperparathyroidism
    • Parathyroid Disorder
    • Overactive Parathyroid Gland
    • High Parathyroid Hormone
    • PTH Overproduction

    ICD-10 Codes:

    • E213: Hyperparathyroidism, unspecified

    Which procedures does Dr. Fagan perform as a Internist?

    As a Internist, procedures performed by an Dr. Ronald Fagan may include:

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

    Does Dr. Fagan accept my insurance?

    Dr. Fagan accepts most major insurance plans. Important: Please call our office at (516) 752-7000 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Fagan accept in Farmingdale, NY?

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

    Top Insurances

    • Cigna

    • CVS Health (formerly Aetna)

    • Elevance Health Inc. (formerly Anthem)

    • Express Scripts

    • Healthfirst

    • Humana

    • Medicare

    • Oscar Health Insurance Co

    • State of New York

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Fagan's office located?

    Dr. Ronald Fagan's Primary Practice

    4900 Hempstead Tpke

    Farmingdale, NY 11735

    (516) 752-7000

    Get Directions

    Would you like to schedule an appointment with Dr. Ronald Fagan?

    Dr. Fagan has appointments available at his Farmingdale, NY office. Please select a date and time below.

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

    Dr. Fagan's National Provider Identifier (NPI) number is 1972524486.

    What common questions do patients ask about Dr. Fagan?

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

    What is Dr. Ronald Fagan's specialty?

    Dr. Fagan is a Internist near Farmingdale, 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. Fagan to book an appointment today.

    Is this Dr. Ronald Fagan affiliated with a ranked Castle Connolly Top Hospital?

    No, Fagan is not affiliated with a Castle Connolly Top Hospital. 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 Ronald Fagan accepting new patients in Farmingdale, NY?

    Yes, Dr. Ronald Fagan is accepting new patients at this time.

    Does Dr. Ronald Fagan offer online booking?

    Yes, you can use online booking to schedule an appointment with Dr. Fagan, or call (516) 752-7000 for more information.

    How can I make an appointment with Ronald Fagan?

    Please contact Dr. Fagan's office at (516) 752-7000 for information regarding telehealth appointment availability or for scheduling assistance.

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