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Dr. John Mellas, MD

Nephrology*
3.0 (6)
Map Pin Small Fenton, MO
Accepting new patients
43 years of experience

Overview of Dr. John Mellas, MD

Dr. John Mellas, MD is a Nephrology Specialist in Fenton, MO. They specialize in Nephrology, has 43 years of experience, and is board certified in Internal Medicine. They graduated from University of Illinois College of Medicine and is affiliated with Missouri Baptist Medical Center, Northwestern Medicine Central Dupage Hospital, SSM Health St. Clare Hospital-Fenton and SSM Health St. Mary's Hospital-St. Louis. Dr. Mellas, completed a residency at University Ill Medical Center. Patients rated Dr. Mellas an average 3.0 star rating.

Dr. Mellas works at Practice in Fenton, MO with other offices in Saint Louis, MO. They are accepting new patients and accept Aetna, Anthem and Anthem Blue Cross Blue Shield as well as other major insurance plans. Please call ahead to schedule an appointment and to confirm all accepted insurance plans.

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Dr. Mellas' Office Locations

  1. 1
    Office
    1011 Bowles Ave Ste 220, Fenton, MO 63026 Icon Directions Right Arrow Directions Phone Icon (314) 991-0137
  2. 2
    Shrewsbury Dialysis
    7303 Watson Rd, Saint Louis, MO 63119 Icon Directions Right Arrow Directions Phone Icon (314) 752-5913
  3. 3
    Gateway Specialists
    6400 Clayton Rd Ste 216, Saint Louis, MO 63117 Icon Directions Right Arrow Directions Phone Icon (314) 842-9669
  4. 4
    Nephrology and Hypertension Specialists LLC
    10004 Kennerly Rd Ste 374B, Saint Louis, MO 63128 Icon Directions Right Arrow Directions Phone Icon (314) 842-9669

Hospital Affiliations
Admitting Hospitals

Admitting hospitals are where the provider is credentialed to see patients, perform procedures, and send patients for continuous care.

  • Missouri Baptist Medical Center
  • Northwestern Medicine Central Dupage Hospital
  • SSM Health St. Clare Hospital-Fenton
  • SSM Health St. Mary's Hospital-St. Louis

Experience & Treatment Frequency

NEW FEATURE

What is treatment frequency?

Our treatment frequency feature helps you understand howoften a provider performs or treats a specificprocedure/condition compared to other doctors. Providersrank in one of four frequency categories:

Very HighFrequency
HighFrequency
NormalFrequency
May Perform

Specific procedures/conditions that don’t haveenough data are indicated with “May Perform”. We encourageyou to contact the provider with questions about theirexperience.

Search for conditions or procedures.
End-Stage Renal Disease
Parathyroid (Gland) Disease
Hyperparathyroidism

Treatment frequency



Many providers have expertise treating multiple conditions or procedures. FindCare uses a variety of data sources to determine which conditions or procedures a provider treats and their level of experience.
End-Stage Renal Disease
Parathyroid (Gland) Disease
Hyperparathyroidism
Acute Kidney Failure
Calcium Metabolism Disorders
Chronic Kidney Disease Stage III
Chronic Kidney Disease Stage IV
Chronic Kidney Diseases
Diabetes With Renal Manifestations
Hyperkalemia
Hypertension
Hypertensive Chronic Kidney Disease
Hypertensive Heart and Chronic Kidney Disease
Mineral Metabolism Disorders
Nephritis and Nephropathy
Renal Hyperparathyroidism
Vitamin D Deficiency
Acidosis
  • View other providers who treat Acidosis
Chronic Glomerulonephritis
Chronic Kidney Disease Stage I
Chronic Kidney Disease Stage II
Chronic Kidney Disease Stage V
Congenital Cystic Kidney Disease
Congenital Medullary Cystic Kidney Disease
Dehydration
Gout
  • View other providers who treat Gout
Hepatitis B - Immune Response
Hydronephrosis
Hypercalcemia
Hypokalemia
Hyposmolality and Hyponatremia
Hypotension (Excluding Maternal)
Kidney Stones
Limb Swelling Caused by Fluid Overload
Magnesium Metabolism Disorders
Nephrotic Syndrome
Phosphorus Metabolism Disorders
Potassium Deficiency
Proteinuria
Renal Artery Arteriosclerotic Disease
Renal Osteodystrophy
Rhabdomyolysis
Ureteral Stones
Wegener's Granulomatosis
Kidney Transplant Evaluation
Living Kidney Donor Evaluation
Peritoneal Dialysis
Renal Scan
Ultrasound
Check your insurance
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    View All Accepted Carriers

    • Aetna
    • Anthem
    • Anthem Blue Cross Blue Shield
    • Blue Cross and Blue Shield of Illinois
    • Blue Cross Blue Shield
    • First Health
    • Humana
    • UnitedHealthCare

    * Please verify this information when scheduling an appointment.

    Ratings & Reviews
    Reviews are displayed in date order and collected from patients who have agreed to reporting accurate and fair reviews. Providers with no reviews may have a new FindCare profile, or no submitted reviews on FindCare yet.

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    3.0
    Average provider rating
    Based on 6 ratings
    Patient Ratings (6)
    5 Star
    (3)
    4 Star
    (0)
    3 Star
    (0)
    2 Star
    (0)
    1 Star
    (3)
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    Dr. Mellas' Office & Staff

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    • Office environment, cleanliness, comfort, etc.
    • Staff friendliness and courteousness
    • Total wait time (waiting & exam rooms)

    Experience with Dr. Mellas

    • Level of trust in provider's decisions
    • How well provider explains medical condition(s)
    • How well provider listens and answers questions
    • Hpends appropriate amount of time with patients

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    About Dr. John Mellas, MD

    Specialties*
    • Nephrology

    • *Healthline does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
    Specialties*
    Years of Experience
    • 43 years of experience
    Years of Experience
    Years of experience represents how long a provider has been practicing in their field since graduating from medical school. Not all providers will have this information available.

    Languages Spoken
    • English, German
    Languages Spoken
    NPI Number
    • 1497712079
    NPI Number
    A National Provider Identifier (NPI) is a unique 10-digit identifier issued by the government to healthcare providers.

    Education & Certifications

    Fellowship
    • Washington University
    Fellowship
    Residency
    • University Ill Medical Center
    Residency
    Internship
    • University Ill Medical Center
    Internship
    Medical Education
    • University of Illinois College of Medicine
    Medical Education
    Board Certifications
    • Internal Medicine and Nephrology
    Board Certifications
    What’s a board certification and why is it important that my provider has one?

    A board certification represents a provider’s dedication to ongoing training in one or more specialties, including the completion of intensive exams. While not all specialties have board certifications, if your provider does have one they’ve taken the extra step to master their specialty and to keep up with the latest advancements in their field.

    Frequently Asked Questions

    Dr. John Mellas, MD is accepting new patients on Healthline FindCare. You can check to see if Dr. Mellas is offering online scheduling or call the provider’s office for more information.

    Dr. Mellas has indicated that they do offer telehealth services. Please call the provider’s office at for more information.

    6 patients have reviewed Dr. Mellas. The overall rating for this provider is 3.0. You can read verified reviews and ratings and leave your own review based on your experience with Dr. Mellas.

    Whether a person prefers to schedule an appointment online or over the phone with Dr. Mellas, there are benefits to both methods. A person calling to schedule an with Dr. Mellas appointment can ask questions about the practice, provider availability, conditions treated, procedures performed, and if their insurance carrier is accepted. While online scheduling is quicker, easier, allows one to view a wide range of appointment times, and may provide the ability to sync with a personal calendar.

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