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Dr. John Ioannou, MD

Dr. John Ioannou, MD

Nephrology*
20+ years of experience

Dr. John Ioannou, MD is a nephrologist in Rockville Centre, NY and has over 20 years of experience in the medical field. Dr. Ioannou has extensive experience in Nephrological Conditions. He graduated from Icahn School of Medicine at Mount Sinai in 2001. He is affiliated with medical facilities Mercy Medical Center and Mount Sinai South Nassau. He is accepting new patients and telehealth appointments.

5 Star Rating
Based on 1 review 5 Star Rating (1 review)

Practice

242 Merrick Rd Ste 304 Rockville Centre, NY 11570
Telehealth available

Make an Appointment

(516) 764-7070

At a Glance

  • Areas of Expertise
    Dr. Ioannou specializes in the areas of Internal Medicine & Nephrology. • See board certifications
  • Offers Telehealth
    This doctor offers telehealth appointments. Call the office to schedule an appointment.
  • Quiet Hospital
    Patients said the hospital this doctor practices at is quiet. • See hospitals
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Dr. Ioannou's Reviews

Likelihood to recommend Dr. Ioannou

5.0

1 rating
5 Star
100%
100%
4 Star
0%
0%
3 Star
0%
0%
2 Star
0%
0%
1 Star
0%
0%

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Know Before You Go

About Me

biography

Dr. John Ioannou, MD is a nephrologist in Rockville Centre, NY and has over 20 years of experience in the medical field. Dr. Ioannou has extensive experience in Nephrological Conditions. He graduated from Icahn School of Medicine at Mount Sinai...read more

  • Nephrology

  • Internal Medicine

*Healthgrades does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.

  • North Shore University Hospital

    Fellowship Hospital, 2006

  • Icahn School Of Medicine At Mount Sinai

    Medical School, 2001
American Board of Medical Specialties®
American Board of Internal Medicine®
- 
Internal Medicine
- 
Nephrology
For detailed information about any of the below board actions, please search for the provider's records on the linked state licensing board or the Federation of State Medical Boards. To learn more about the difference between these sources, please refer to our FAQs.
Healthgrades has not received any data indicating a board action exists for this provider.

Healthgrades receives board action history for physicians and physician assistants. The information displayed here is sourced from independent information providers, such as state board websites, and may not be the most up-to-date information. Healthgrades makes no representations with respect to the accuracy of any information provided here and assumes no responsibility or liability for such information.

Learn more about medical license public record check

  • English

  • Greek

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Locations

Practice

Island Renal Physicians PC242 Merrick Rd Ste 304 Rockville Centre, NY 11570
1
  • Call
  • Fax
  • Hours
    • Mon: 9:00am - 5:00pm
    • Tue: 9:00am - 5:00pm
    • Wed: 9:00am - 5:00pm
    • Thu: 9:00am - 5:00pm
    • Fri: 9:00am - 5:00pm
  • Directions

Practice

Office364 Merrick Rd Rockville Centre, NY 11570
2
Huntington Artificial Kidney Center-Freeport351 S Main St Freeport, NY 11520
3

Affiliated Hospitals

  • Mercy Medical Center

    1000 N Village Ave
    Rockville Centre, NY 11570
    Recipient of 4
    hospital awards

    How patients felt about the care they received at this hospital.

    84%
    Patients said they were given information about recovering at home
    74%
    Patients said that nurses always listened to them and explained things well

    1% lower than the national average

    View all patient feedback

  • Mount Sinai South Nassau

    1 Healthy Way
    Oceanside, NY 11572
    Recipient of 8
    hospital awards

    Surgical Care Excellence Award™ (2023)

    Superior clinical outcomes in surgical care across 15 of the most common in-hospital surgical procedures including cardiac, vascular, joint replacement, prostate, spine, and gastrointestinal surgeries

    View all awards

    How patients felt about the care they received at this hospital.

    77%
    Patients said they were given information about recovering at home

    7% lower than the national average

    71%
    Patients said that doctors always listened to them and explained things well

    5% lower than the national average

    View all patient feedback
Learn more about how Healthgrades measures Hospital Quality