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Dr. John Mellas, MD

Saint Louis, MO

38 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Mellas, Nephrologist in Saint Louis, MO?

    Dr. John Mellas, MD is a Nephrologist, who primarily practices in Saint Louis, MO with 2 additional practice locations. He has been practicing for over 38 years and is board certified by the American Board of Internal Medicine. Dr. Mellas graduated from University of Illinois College of Medicine and completed his residency at Univ Il Hosp & Cli, Internal Medicine. Dr. Mellas is fluent in English and Greek, Modern (1453-), and is currently seeing new patients. Dr. Mellas’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Mellas’s office at (314) 842-9669.

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

    • Residency: Univ Il Hosp & Cli, Internal Medicine | University of Illinois College of Medicine at Chicago Program

    • Medical School: University Of Il Coll Of Med- Chicago Il | University of Illinois College of Medicine

    Is Dr. Mellas board certified in Nephrologist?

    Yes, Dr. John Mellas, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Mellas speak?

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

    • English

    • Greek, Modern (1453-)

    What conditions does Dr. Mellas treat?

    As a Nephrologist, Dr. Mellas 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. Mellas. 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:

    • End-Stage Kidney Disease
    • Chronic Kidney Disease, Stage 3
    • Chronic Kidney Disease, Stage 4 (Severe)
    • Kidney Failure
    • Chronic Kidney Disease (CKD)
    • Helping Your Child Adapt to Life with Chronic Kidney Disease
    • Chronic Kidney Disease
    • ESRD
    • End-Stage Renal Failure
    • CKD Stage 3
    • Moderate Chronic Kidney Disease
    • CKD Stage 4
    • Severe Chronic Kidney Disease

    ICD-10 Codes:

    • N186: End stage renal disease
    • N1830: Chronic kidney disease, stage 3 unspecified
    • N184: Chronic kidney disease, stage 4 (severe)

    Also known as:

    • Dialysis Dependence
    • Dialysis
    • Helping Your Child Adapt to Life with Chronic Kidney Disease
    • Kidney Dialysis
    • Renal Replacement Therapy
    • On Dialysis

    ICD-10 Codes:

    • Z992: Dependence on renal dialysis

    Also known as:

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

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    Also known as:

    • Acute Kidney Failure
    • Kidney Failure
    • Acute Renal Failure
    • Sudden Kidney Failure

    ICD-10 Codes:

    • N179: Acute kidney failure, unspecified

    Which procedures does Dr. Mellas perform as a Nephrologist?

    As a Nephrologist, procedures performed by a Dr. John Mellas may include:

    For detailed information, please contact Dr. Mellas' office.

    Does Dr. Mellas accept my insurance?

    Dr. Mellas accepts most major insurance plans. Important: Please call our office at (314) 842-9669 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Mellas accept in Saint Louis, MO?

    Dr. Mellas in Saint Louis, MO accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Blue Cross Blue Shield of Michigan

    • Centene

    • CVS Health (formerly Aetna)

    • Dean Health Plan

    • Elevance Health Inc. (formerly Anthem)

    • Essence Healthcare

    • Express Scripts

    • Humana

    • Medicare

    • Missouri Consolidated (MCHCP)

    View All Insurances

    Where is Dr. Mellas' office located?

    Dr. John Mellas' Primary Practice

    10004 Kennerly Rd Ste 374B

    Saint Louis, MO 63128

    (314) 842-9669

    Get Directions

    Dr. John Mellas' Practice 2

    6400 Clayton Rd Ste 303

    Saint Louis, MO 63117

    (314) 842-9669

    Get Directions

    Dr. John Mellas' Practice 3

    1011 Bowles Ave Ste 220

    Fenton, MO 63026

    Get Directions

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

    Dr. Mellas's National Provider Identifier (NPI) number is 1497712079.

    What common questions do patients ask about Dr. Mellas?

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

    What is Dr. John Mellas's specialty?

    Dr. Mellas is a Nephrologist near Saint Louis, MO. An internist who manages disorders related to the kidneys, including high blood pressure, fluid and mineral balance, and dialysis for waste removal when kidney function is impaired. This specialist also collaborates with surgeons regarding kidney transplantation. Contact Dr. Mellas to book an appointment today.

    Is this Dr. John Mellas affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Mellas is affiliated with Ssm Health St. Clare Hospital - Fenton 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 Nephrologist?

    Explore Nephrologist 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 John Mellas accepting new patients in Saint Louis, MO?

    Yes, Dr. John Mellas is accepting new patients at this time.

    Does Dr. John Mellas offer online booking?

    Please contact Dr. Mellas's office at (314) 842-9669 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with John Mellas?

    Please contact Dr. Mellas's office at (314) 842-9669 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. John Mellas have?

    Dr. John Mellas is certified by the American Board of Internal Medicine.

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