Dr. John Maesaka, MD

Dr. John Maesaka, MD

Nephrology  ·  
Male  ·  
Age 82
Dr. John Maesaka, MD is a nephrology specialist in Mineola, NY and has been practicing for 48 years. He graduated from Boston University School Of Medicine in 1961 and specializes in nephrology.

200 Old Country Rd Ste 135

Mineola, NY 11501

Contact Information

Insurance Accepted

  • Aetna
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of Louisiana
  • Blue Cross Blue Shield of Massachusetts
  • Capital District Physician's Health Plan (CDPHP)
  • Cigna
  • EmblemHealth
  • Empire Blue Cross Blue Shield
  • First Health (Coventry Health Care)
  • MultiPlan

*Please verify this information when scheduling an appointment.

Learn about Dr. Maesaka

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

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

Hypertensive Chronic Kidney Disease
very high
more than 99% of peers
very high
more than 92% of peers
Phosphorus Metabolism Disorders
more than 88% of peers

Dr. Maesaka'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.

1  Specialties

  • Nephrology

2  Board Certifications

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

37  Conditions Treated

  • Acidosis
  • Acute Glomerulonephritis
  • Acute Kidney Failure
  • Alkalosis
  • Amyloidosis
  • Autoimmune Diseases
  • Bone Disorders
  • Brain Disorders
  • Calcium Metabolism Disorders
  • Chronic Glomerulonephritis
  • Chronic Kidney Diseases
  • Congenital Anomalies of Kidney
  • Congenital Polycystic Kidney Disease
  • Dehydration
  • Diabetes With Renal Manifestations
  • End-Stage Renal Disease
  • Gout
  • Hepatitis B - Immune Response
  • 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
  • Mineral Metabolism Disorders
  • Nephritis and Nephropathy
  • Nephrotic Syndrome
  • Phosphorus Metabolism Disorders
  • Renal Artery Arteriosclerotic Disease
  • Renal Hyperparathyroidism
  • Renal Osteodystrophy
  • Secondary Renovascular Hypertension
  • Vascular Disease
  • Vitamin D Deficiency


Read Less

3  Procedures

  • End-Stage Renal Disease Related Services
  • 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.


  • Boston University School Of Medicine
    Medical School | Graduated 1961
  • Barnes Jewish Hospital
    Internship Hospital | Completed 1962
  • Barnes Jewish Hospital
    Residency Hospital | Completed 1963
  • Mt Sinai Hospital
    Residency Hospital | Completed 1967
  • Mt Sinai Hospital
    Fellowship Hospital | Completed 1970

Awards & Recognition

Awards & Honors
  • Healthgrades Honor Roll
Media & Publications

Dr. Maesaka has no media or publications listed.

Languages Spoken

  • English

Memberships & Professional Affiliations

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

Dr. Maesaka's Reviews

Likelihood of recommending Dr. Maesaka to family and friends
1 review (1 has a comment)

Likelihood to Recommend (1)

  • 5
  • 4
  • 3
  • 2
  • 1

Dr. Maesaka's Performance

  • Trustworthiness

  • Explains condition(s) well

  • Answers questions

  • Time well spent


Office & Staff Performance

  • Scheduling

  • Office environment

  • Staff friendliness

  • Average wait time

    Under 10 minutes

Patient Comments (1)

Very thorough in his examination. Spends a lot of time with you. Ver nice Doctor. Easy to talk with him.
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