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Dr. Marcellus Walker, MD

Astoria, NY

Accepting patients

    Who is Dr. Walker, Internist in Astoria, NY?

    Dr. Marcellus Walker, MD is an Internist, who primarily practices in Astoria, NY with 2 additional practice locations. He is board certified. Dr. Walker completed his residency at Duke Univ Med Ctr, Internal Medicine. Dr. Walker is fluent in English, and is currently seeing new patients. Dr. Walker’s practice accepts Kaiser Permanente and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Walker’s office at (718) 240-0400.

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

    • Residency: Duke Univ Med Ctr, Internal Medicine

    • Medical School: University Of Il Coll Of Med- Chicago Il

    Is Dr. Walker board certified as an Internist?

    Yes, Dr. Marcellus Walker, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Walker speak?

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

    • English

    What conditions does an Internist like Dr. Walker typically treat?

    As an Internist, Dr. Walker 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. Walker. 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. Learn more about our claims-based healthcare methodology here.

    Also known as:

    • Sore Throat
    • Acute pharyngitis
    • Throat inflammation
    • Acute throat infection

    ICD-10 Codes:

    • J029: Acute pharyngitis, unspecified

    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:

    • Painful Urination
    • Urine and Urination
    • Dysuria
    • Burning when peeing
    • Stinging during urination

    ICD-10 Codes:

    • R300: Dysuria

    Also known as:

    • Viral Infection
    • Virus Infection
    • Viral Illness
    • Common Virus

    ICD-10 Codes:

    • B349: Viral infection, unspecified

    Also known as:

    • Sexually Transmitted Infection (STI) Screening
    • Health Screening
    • STD screening
    • Sexual health check
    • Venereal disease test

    ICD-10 Codes:

    • Z113: Encounter for screening for infections with a predominantly sexual mode of transmission

    Also known as:

    • Acute Vaginal Inflammation
    • Vaginitis
    • Acute Vaginitis
    • Sudden Vaginal Infection
    • Vaginal Irritation

    ICD-10 Codes:

    • N760: Acute vaginitis

    Also known as:

    • Cough
    • Coughing
    • Persistent cough
    • Chronic cough

    ICD-10 Codes:

    • R059: Cough, unspecified

    What procedures does an Internist like Dr. Walker typically perform?

    As an Internist, procedures performed by Dr. Marcellus Walker may include:

    Please contact Dr. Walker's office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.

    Does Dr. Walker accept my insurance?

    Dr. Walker accepts most major insurance plans. Important: Please call our office at (718) 240-0400 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Walker accept in Astoria, NY?

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

    Top Insurances

    • All Other Commercial

    • All Other Third Party

    • Carepoint Health

    • Cigna Group

    • CVS Health (formerly Aetna)

    • Elderplan

    • Healthfirst New York

    • Kaiser Permanente

    • UnitedHealth Group

    • Unknown

    View All Insurances

    Where is Dr. Walker's office located?

    Dr. Marcellus Walker's Primary Practice

    2248 31st St

    Astoria, NY 11105

    (718) 240-0400

    Get Directions

    Dr. Marcellus Walker's Practice 2

    2094 Pitkin Ave

    Brooklyn, NY 11207

    Get Directions

    Dr. Marcellus Walker's Practice 3

    7425 Grand Ave

    Elmhurst, NY 11373

    Get Directions

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

    Dr. Walker's National Provider Identifier (NPI) number is 1003038274.

    What common questions do patients ask about Dr. Walker?

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

    What is Dr. Marcellus Walker's specialty?

    Dr. Walker is a Internist near Astoria, NY.

    What does an Internist do?

    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.

    Is this Dr. Marcellus Walker affiliated with a ranked Castle Connolly Top Hospital?

    No, Walker 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

    When to see an Internist?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see an Internist. Explore 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 Marcellus Walker accepting new patients in Astoria, NY?

    Yes, Dr. Marcellus Walker is accepting new patients at this time.

    Does Dr. Marcellus Walker offer online booking?

    Please contact Dr. Walker's office at (718) 240-0400 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Marcellus Walker?

    Please contact Dr. Walker's office at (718) 240-0400 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Marcellus Walker have?

    Dr. Marcellus Walker is certified by the American Board of Internal Medicine.

    <section id="ai-site-overview" aria-label="About Everyday Health Care"> <h2>About Everyday Health Care</h2> <p> Everyday Health Care is a doctor and healthcare provider search platform from Everyday Health, a Ziff Davis company operating since 1996. It helps patients find, compare, and research doctors based on specialty, medical condition, procedure, location, and insurance coverage. </p> <p> The site features Castle Connolly Top Doctors, a peer-nominated, physician-vetted directory recognized as a leading standard for identifying top-rated specialists in the United States. Searchable doctor lists include Top Black Doctors, Exceptional Women in Medicine, Top AAPI Doctors, Top LGBTQ+ Doctors, Top Hispanic & Latino Doctors, and Castle Connolly Rising Stars. </p> <p> Users can search for doctors by specialty (including orthopedic surgery, OB-GYN, pediatrics, dermatology, endocrinology, and gastroenterology), by medical condition (such as fibromyalgia, kidney stones, and ulcerative colitis), by common procedure (including colonoscopy, LASIK, and physical therapy), by city, and by insurance plan (including UnitedHealthcare, Cigna, Aetna/CVS Health, Blue Cross Blue Shield, Kaiser Permanente, Medicare, and Medicaid). </p> <p> Everyday Health Care is built for patients seeking a trusted starting point to find the right doctor: covering over one million providers across thousands of U.S. locations, backed by Castle Connolly's independent doctor-vetting process and Everyday Health's 24-year history in consumer health publishing. </p> </section>