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Dr. John Ioannou, MD

Nephrology* Age 48
Dr. John Ioannou, MD
5.0 (1 Ratings)

Offers telehealth

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Dr. John Ioannou, MD is a Nephrologist in Rockville Centre, NY.
Dr. John Ioannou, MD
5.0 (1 Ratings)
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Dr. John Ioannou, MD

Nephrology* Age 48
Rockville Centre, NY
Accepting new patients
23 years of experience

Offers telehealth

Dr. John Ioannou, MD is a Nephrologist in Rockville Centre, NY.

About

Dr. Ioannou graduated from Icahn School of Medicine at Mount Sinai. Dr. John Ioannou, MD is a Nephrologist in Rockville Centre, NY and has 23 years experience. Dr. Ioannou currently practices at Practice and are affiliated with Mercy Medical Center and Mount Sinai South Nassau. Dr. Ioannou has experience treating conditions like Phosphorus Metabolism Disorders, Calcium Metabolism Disorders and Hyperparathyroidism among other conditions at varying frequencies. Dr. Ioannou's office accepts new patients and telehealth appointments. Dr. Ioannou also speaks Greek. Dr. Ioannou is board certified in Internal Medicine and accepts multiple insurance plans.

Offers Telehealth

This provider offers telehealth appointments. Call the office to schedule.

Explains Conditions Well

Patients said this doctor explains conditions well.

Trustworthy

Patients said this doctor is trustworthy.

Friendly Staff

Patients said the staff was friendly.

Easy Scheduling

Patients said scheduling was easy.

Experience Check

Enter a condition or procedure
Phosphorus Metabolism Disorders
Calcium Metabolism Disorders
Hyperparathyroidism
Phosphorus Metabolism Disorders
Calcium Metabolism Disorders
Hyperparathyroidism
Phosphorus Metabolism Disorders
Calcium Metabolism Disorders
Hyperparathyroidism
Hypokalemia
Mineral Metabolism Disorders
Parathyroid (Gland) Disease
Peritoneal Dialysis
Chronic Kidney Disease Stage III
Diabetes Insipidus
Hypercalcemia
Hyperkalemia
Renal Hyperparathyroidism
Acidosis
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Acute Kidney Failure
Autosomal Dominant Polycystic Kidney Disease (ADPKD)
Chronic Kidney Disease Stage I
Chronic Kidney Disease Stage II
Chronic Kidney Disease Stage IV
Chronic Kidney Diseases
Congenital Cystic Kidney Disease
Dehydration
Diabetes With Renal Manifestations
End-Stage Renal Disease
Gout
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Hydronephrosis
Hypertension
Hypertensive Chronic Kidney Disease
Hyposmolality and Hyponatremia
Hypotension (Excluding Maternal)
Kidney Stones
Magnesium Metabolism Disorders
Nephritis and Nephropathy
Proteinuria
Renal Osteodystrophy
Rhabdomyolysis
Vitamin D Deficiency
Alkalosis
Amyloidosis
Chronic Glomerulonephritis
Chronic Kidney Disease Stage V
Chronic Nephritic Syndrome
Classic Polyarteritis Nodosa
Congenital Anomalies of Kidney
Congenital Polycystic Kidney Disease
Congenital Renal Agenesis and Dysgenesis
Goodpasture's Disease
Hepatitis B - Immune Response
Hypertensive Heart and Chronic Kidney Disease
Kidney Infection
Limb Swelling
Limb Swelling Caused by Fluid Overload
Nephrogenic Diabetes Insipidus
Nephrotic Syndrome
Renal Artery Arteriosclerotic Disease
Secondary Renovascular Hypertension
Small Kidney
Systemic Vasculitis
Vasculitis
Wegener's Granulomatosis
End-Stage Renal Disease Related Services
Hemodialysis
Kidney Transplant Evaluation
Living Kidney Donor Evaluation
Renal Scan
Ultrasound, Kidney

Insurance Accepted

* Please verify this information when scheduling an appointment.
  • Blue Card PPO
  • Choice Plus POS II
    Select
  • First Health (Coventry Health Care) PPO
  • Curative PPO Plus
    Curative PPO
    Curative EPO
  • Choice Care PPO
  • MultiPlan PPO
  • Cigna PPO
    Open Access Plus
  • HealthyBlue 2.0
  • Empire (Select Network)-NY POS
    Blue Access (Select Network)-NY

Locations

  1. 1 Island Renal Physicians PC
    242 Merrick Rd Ste 304, Rockville Centre, NY 11570
    Icon Directions Right Arrow Directions Phone Icon (516) 764-7070
    Monday
    09:00 - 17:00
    Tuesday
    09:00 - 17:00
    Wednesday
    09:00 - 17:00
    Thursday
    09:00 - 17:00
    Friday
    09:00 - 17:00
  2. 2 Oyster Bay Dialysis
    17 E Old Country Rd, Hicksville, NY 11801
    Icon Directions Right Arrow Directions Phone Icon (516) 681-2786
  3. 3 Office
    364 Merrick Rd, Rockville Centre, NY 11570
    Icon Directions Right Arrow Directions Phone Icon (516) 712-6565
  4. 4 Huntington Artificial Kidney Center-Freeport
    351 S Main St, Freeport, NY 11520
    Icon Directions Right Arrow Directions Phone Icon (516) 623-1786

Patient Satisfaction

Likelihood to recommend Dr. Ioannou
5.0
Based on 1 Reviews
5 Stars (1)
4 Stars (0)
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1 Star (0)

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Dr. Ioannou's Office & Staff

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Telehealth Options
This provider has not specified a telehealth appointment method. Would you still like to make an appointment with Dr. Ioannou?
Call now to make an appointment
(516) 764-7070

About Me

Languages Spoken
Greek
Languages Spoken
Specialties*
Nephrology
Internal Medicine
Specialties*
  • *Sharecare does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
Education

Education

Medical Education
  • Icahn School of Medicine at Mount Sinai
    2001
Medical Education

Board Certifications

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.

Fellowship

Fellowship Hospital
  • North Shore University Hospital
    2006
Fellowship Hospital
Common Questions and Answers
Responses are sourced directly from patients.
Does Dr. Ioannou communicate via email?
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Frequently Asked Questions

Find contact information here to make an appointment.

A list of accepted insurance providers is available on the Sharecare insurance check. It is always a good idea to verify your insurance when making an appointment.

New patients are generally accepted by Dr. John Ioannou, MD. To arrange an appointment, call the number on Dr. Ioannou's profile.

Dr. Ioannou frequently treats the following conditions: Phosphorus Metabolism Disorders, Calcium Metabolism Disorders and Hyperparathyroidism. See more on Sharecare.

Dr. John Ioannou, MD is affiliated with Mercy Medical Center and Mount Sinai South Nassau.

Yes, Dr. John Ioannou, MD holds board certification in Internal Medicine and Nephrology.

Hospital Affiliations

  • Mercy Medical Center

    1000 N Village Ave, Rockville Centre, NY

  • Mount Sinai South Nassau

    1 Healthy Way, Oceanside, NY