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Dr. John Mellas, MD

Nephrology
2.0 (4)
Map Pin Small Fenton, MO
Accepting new patients
42 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 42 years of experience, and is board certified in Internal Medicine. They graduated from UNIVERSITY OF ILLINOIS AT CHICAGO / COLLEGE OF MEDICINE and is affiliated with Christian Hospital, Mercy Hospital South, SSM Health DePaul Hospital - St. Louis and SSM Health St. Mary’s Hospital - St. Louis.

Dr. Mellas works at Nephrology & Hypertension Specialists, L.L.C in Fenton, MO. They are accepting new patients and accepts 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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Insurance Accepted
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Accepting New Patients
Conditions Treated and Procedures Performed

Dr. Mellas' Office Locations

  1. 1
    St. Clare Hospital Location
    1011 Bowles Ave Ste 220, Fenton, MO 63026 Icon Directions Right Arrow Directions Phone Icon (314) 991-0137

Hospital Affiliations
Admitting Hospitals

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

  • Christian Hospital
  • Mercy Hospital South
  • SSM Health DePaul Hospital - St. Louis
  • SSM Health St. Mary’s Hospital - St. Louis

Experience & Treatment Frequency

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    View All Accepted Carriers

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

    * Please verify this information when scheduling an appointment.

    Ratings & Reviews
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    2.0
    Average provider rating
    Based on 4 ratings
    Patient Ratings (4)
    5 Star
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    4 Star
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    3 Star
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    2 Star
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    1 Star
    (3)
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    Dr. Mellas' Office & Staff

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    About Dr. John Mellas, MD

    Specialties
    • Nephrology
    Specialties
    Years of Experience
    • 42 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
    • U Ill Med Ctr
    Residency
    Internship
    • U Ill Med Ctr
    Internship
    Medical Education
    • UNIVERSITY OF ILLINOIS AT CHICAGO / 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 an average wait time of 10 – 15 minutes at their office(s).

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

    Dr. Mellas works at Nephrology & Hypertension Specialists, L.L.C in Fenton, MO. View the full address on Dr. Mellas’s profile.

    4 patients have reviewed Dr. Mellas. The overall rating for this provider is 2.0. 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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