Dr. John Ioannou, MD

Dr. John Ioannou, MD

Nephrology  |  
Male  |  
Age 41
(1)
Insurances AcceptedSave
Dr. John Ioannou, MD is a nephrology doctor who practices in Hempstead, NY. He is 41 years old and has been practicing for 16 years.

615 Peninsula Blvd

Hempstead, NY 11550

Contact Information

(516) 483-6702

Insurance Accepted

  • Aetna
  • Amalgamated Clothing & Textile Workers Union
  • Amerigroup (Wellpoint)
  • Blue Cross Blue Shield
  • Capital District Physician's Health Plan (CDPHP)
  • Cigna
  • Commercial Insurance Company
  • Coventry Health Care
  • EmblemHealth
  • 9 More

*Please verify this information when scheduling an appointment.

Learn about Dr. Ioannou

Be confident in your decisions by checking out your provider's top areas of care, education, patient reviews and more. Learn about finding the right doctor for you

Top Care Areas

new

See how frequently Dr. Ioannou performs your care needs compared to other doctors.

Hypertensive Chronic Kidney Disease
very high
more than 96% of peers
Renal Hyperparathyroidism
high
more than 92% of peers
Limb Swelling Caused by Fluid Overload
high
more than 87% of peers

Dr. Ioannou's percentages are based on the rate of treatment compared to peers nationwide from insurance data. Learn more info about our data and this Top Care Areas component.

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1

Specialties

  • Nephrology
2

Board Certifications

  • Internal Medicine
    Accredited by: American Board of Internal Medicine*
  • Nephrology
    Accredited by: American Board of Internal Medicine*
39

Conditions Treated

  • Acidosis
  • Acute Glomerulonephritis
  • Acute Kidney Failure
  • Autoimmune Diseases
  • Bone Disorders
  • Brain Disorders
  • Calcium Metabolism Disorders
  • Chronic Glomerulonephritis
  • Chronic Kidney Diseases
  • Congenital Polycystic Kidney Disease
  • Dehydration
  • Diabetes Insipidus, Nephrogenic
  • Diabetes With Renal Manifestations
  • Diabetic Ketoacidosis
  • End-Stage Renal Disease
  • Gout
  • Hydronephrosis
  • Hypercalcemia
  • Hyperkalemia
  • Hypertension
  • Hypertensive Chronic Kidney Disease
  • Hypertensive Heart and Chronic Kidney Disease
  • Hypokalemia
  • Hypotension (Excluding Maternal)
  • Kidney Disease
  • Kidney Stones
  • Limb Swelling Caused by Fluid Overload
  • Magnesium Metabolism Disorders
  • Mineral Metabolism Disorders
  • Nephritis and Nephropathy
  • Nephrotic Syndrome
  • Phosphorus Metabolism Disorders
  • Purpura
  • Renal Artery Arteriosclerotic Disease
  • Renal Hyperparathyroidism
  • Ureteral Stones
  • Vascular Disease
  • Vitamin D Deficiency
  • Wegener's Granulomatosis

More

Read More
2

Procedures

  • Hemodialysis
  • Peritoneal Dialysis

Background Check

0 Malpractice Claims

No malpractice history found for New York.

0 Sanctions

No sanctions history found for the years that Healthgrades collects data.

0 Board Actions

No board actions found for the years that Healthgrades collects data.

Education

  • Mount Sinai School Of Medicine Of New York University
    Medical School | Graduated 2001
  • North Shore University Hospital
    Internship Hospital | Completed 2002
  • North Shore University Hospital
    Residency Hospital | Completed 2004
  • North Shore University Hospital
    Fellowship Hospital | Completed 2006

Awards & Recognition

Awards & Honors
  • Healthgrades Honor Roll
Media & Publications

Dr. Ioannou has no media or publications listed.

Languages Spoken

  • English
  • Polish
  • Spanish

Memberships & Professional Affiliations

Dr. Ioannou does not have any memberships or affiliations listed. If you are Dr. Ioannou and would like to add memberships or affiliations, please update your profile.

Dr. Ioannou's Reviews

Likelihood of recommending Dr. Ioannou to family and friends
5.0
based on 1 review
Dr. Ioannou's Performance
  • Trustworthiness
    EXCELLENT
  • Explains condition(s) well
    EXCELLENT
  • Answers Questions
    EXCELLENT
  • Time well spent
    EXCELLENT
Office & Staff Performance
  • Scheduling
    EXCELLENT
  • Office environment
    EXCELLENT
  • Staff friendliness
    EXCELLENT
  • Average wait time
    16 to 30 minutes
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Visit Dr. Ioannou

Now Accepting New Patients
Dr. Ioannou accepts 18 insurance carriers
  • Aetna
    Aetna HMO
  • Amalgamated Clothing & Textile Workers Union
    Amalgamated Clothing & Textile Workers Union WC
  • Amerigroup (Wellpoint)
  • Blue Cross Blue Shield
    Blue Card PPO
  • Capital District Physician's Health Plan (CDPHP)
    Capital District Physician's Health Plan (CDPHP) HMO
  • Cigna
    Cigna HMO
    Cigna PPO
    Open Access Plus
  • Commercial Insurance Company
  • Coventry Health Care
  • EmblemHealth
    Emblem Health
    Health Insurance Plan of Greater New York (HIP) PPO
  • Empire Blue Cross Blue Shield
    Empire Blue Cross Blue Shield HMO
  • First Health (Coventry Health Care)
    First Health (Coventry Health Care) PPO
  • HealthFirst
    ABCD HMO
  • Humana
    Choice Care PPO
  • Mail Handlers Benefit Plan (MHBP)
  • Medicaid
  • MultiPlan
    MultiPlan PPO
    PHCS Network PPO
  • Oxford Health Plans
    Freedom Plan
  • UnitedHealthCare
    Oxford Liberty
    United Healthcare

*Please verify this information when scheduling an appointment.

Hospitals where Dr. Ioannou has admitting privileges

Mercy Medical Center
1000 N Village Ave
Rockville Centre, NY 11570
View Hospital Profile
South Nassau Communities Hospital
One Healthy Way
Oceanside, NY 11572
View Hospital Profile

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