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Dr. Gary Greenwald, MD

New Hyde Park, NY

39 Years of Experience

Accepting patients

    Who is Dr. Greenwald, Emergency Medicine Specialist in New Hyde Park, NY?

    Dr. Gary Greenwald, MD is an Emergency Medicine Specialist, who primarily practices in New Hyde Park, NY with 1 additional practice location. He has been practicing for over 39 years and is board certified by the American Board of Emergency Medicine. Dr. Greenwald graduated from University of Medicineicine And Dentistry of New Jersey / Robert Wood Johnson Medicine and completed his residency at Worcester City Hosp, Emergency Medicine; St Vincent'S Hsp & M C-Ny, Psychiatry. Dr. Greenwald is fluent in English, and is currently seeing new patients. Dr. Greenwald’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Greenwald’s office at (516) 622-6000.

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

    • Residency: Worcester City Hosp, Emergency Medicine; St Vincent'S Hsp & M C-Ny, Psychiatry | Worcester City Hospital

    • Medical School: Umdnj-Robt W Johnson Med Sch- New Brunswick Nj | University of Medicine And Dentistry of New Jersey / Robert Wood Johns | University of Medicineicine And Dentistry of New Jersey / Robert Wood Johnson Medicine

    Is Dr. Greenwald board certified in Emergency Medicine Specialist?

    Yes, Dr. Gary Greenwald, MD is board certified by the American Board of Emergency Medicine

    What languages does Dr. Greenwald speak?

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

    • English

    What conditions does Dr. Greenwald treat?

    As a Emergency Medicine Specialist, Dr. Greenwald 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. Greenwald. 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:

    • Non-Infectious Gastroenteritis and Colitis
    • Digestive Disease
    • Inflammation of Stomach and Intestines
    • Non-Bacterial Colitis
    • Gut Inflammation

    ICD-10 Codes:

    • K529: Noninfective gastroenteritis and colitis, unspecified

    Also known as:

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

    ICD-10 Codes:

    • R0789: Other chest pain

    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:

    • 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:

    • Head Laceration
    • Wounds and Injuries
    • Head Cut
    • Deep Head Cut
    • Head Wound

    ICD-10 Codes:

    • S0181XA: Laceration without foreign body of other part of head, initial encounter

    Also known as:

    • Scalp Bruise
    • Bruises
    • Bruised scalp
    • Scalp contusion
    • Head bump

    ICD-10 Codes:

    • S0003XA: Contusion of scalp, initial encounter

    Also known as:

    • Exposure to COVID-19
    • COVID-19 (Coronavirus Disease 2019)
    • COVID-19 contact
    • Suspected coronavirus exposure
    • SARS-CoV-2 exposure

    ICD-10 Codes:

    • Z20822: Contact with and (suspected) exposure to COVID-19

    Also known as:

    • Dehydration
    • Fluid and Electrolyte Balance
    • Lack of Fluids
    • Fluid Loss
    • Body Water Depletion

    ICD-10 Codes:

    • E860: Dehydration

    Also known as:

    • Kidney Pain
    • Kidney Stones
    • Pelvic Pain
    • Renal Colic
    • Kidney Stone Pain

    ICD-10 Codes:

    • N23: Unspecified renal colic

    Also known as:

    • Pain in Lower Left Abdomen
    • Pelvic Pain
    • Left lower quadrant pain
    • Pain in left side of belly
    • Left side abdominal discomfort

    ICD-10 Codes:

    • R1032: Left lower quadrant pain

    Also known as:

    • Flu with Respiratory Symptoms
    • Flu
    • Influenza with Breathing Problems
    • Flu with Cough
    • Severe Flu

    ICD-10 Codes:

    • J101: Influenza due to other identified influenza virus with other respiratory manifestations

    Also known as:

    • Asthma Flare-Up
    • Asthma
    • Asthma Attack
    • Acute Asthma Exacerbation
    • Worsening Asthma
    • Asthma Episode

    ICD-10 Codes:

    • J45901: Unspecified asthma with (acute) exacerbation

    Which procedures does Dr. Greenwald perform as a Emergency Medicine Specialist?

    As a Emergency Medicine Specialist, procedures performed by an Dr. Gary Greenwald may include:

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

    Does Dr. Greenwald accept my insurance?

    Dr. Greenwald accepts most major insurance plans. Important: Please call our office at (516) 622-6000 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Greenwald accept in New Hyde Park, NY?

    Dr. Greenwald in New Hyde Park, NY accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • All Other Third Party

    • CVS Health (formerly Aetna)

    • Express Scripts

    • Humana

    • MagnaCare Rx

    • Medicare

    • National Benefit Fund

    • Oscar Health Insurance Co

    • Other Health Care Provider

    • Service Employees International Union (SEIU)

    View All Insurances

    Where is Dr. Greenwald's office located?

    Dr. Gary Greenwald's Primary Practice

    2800 Marcus Ave

    New Hyde Park, NY 11042

    (516) 622-6000

    Get Directions

    Dr. Gary Greenwald's Practice 2

    1 Healthy Way

    Oceanside, NY 11572

    Get Directions

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

    Dr. Greenwald's National Provider Identifier (NPI) number is 1942287024.

    What common questions do patients ask about Dr. Greenwald?

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

    What is Dr. Gary Greenwald's specialty?

    Dr. Greenwald is a Emergency Medicine Specialist near New Hyde Park, NY. An emergency physician is dedicated to making prompt decision and taking necessary actions essential for preventing death or additional disabilities. This role encompasses guiding emergency medical technicians in pre-hospital environments as well as providing care within the emergency department. The emergency physician is responsible for the immediate identification, evaluation, treatment, stabilization, and arrangement of a diverse array of adult and pediatric patients facing acute illnesses and injuries. Contact Dr. Greenwald to book an appointment today.

    Is this Dr. Gary Greenwald affiliated with a ranked Castle Connolly Top Hospital?

    No, Greenwald 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 Emergency Medicine Specialist?

    Explore Emergency 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 Gary Greenwald accepting new patients in New Hyde Park, NY?

    Yes, Dr. Gary Greenwald is accepting new patients at this time.

    Does Dr. Gary Greenwald offer online booking?

    Please contact Dr. Greenwald's office at (516) 622-6000 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Gary Greenwald?

    Please contact Dr. Greenwald's office at (516) 622-6000 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Gary Greenwald have?

    Dr. Gary Greenwald is certified by the American Board of Emergency Medicine.

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