Summary

NYU Langone nephrologist Dr. John Maesaka translates research into clinical treatments for people with kidney diseases.

Quick Facts

  • accepting new patients
  • 5
  • 65 years of experience
  • 5 insurance plans accepted
  • speaks English, Spanish
  • Mount Sinai Medical Center
  • 3 written reviews
  • 2 specialties
  • 9 areas of expertise
  • 1 hospital affiliation
  • 1 office location
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Location

NYU Langone Nephrology Associates—Mineola

200 Old Country Rd Ste 370Mineola, NY 11501

Compare with Similar Doctors

John K. Maesaka, MD
Dr. Eric C Siddall, MD
Nadia Al Haddad, MD
Dr. Qais Al-Awqati, MD
John K. Maesaka, MDDr. Eric C Siddall, MDNadia Al Haddad, MDDr. Qais Al-Awqati, MD
NephrologyNephrologyNephrologyNephrology
Accepts New Patients Accepts New Patients
5 
4.9 
0 
0 
65 Years of Experience 21 Years of Experience 8 Years of Experience 64 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English, Spanish Speaks English, Spanish Speaks English, Spanish
Mineola , NYNew York , NYNew York , NYNew York , NY
Med School: Boston University School Of Medicine Med School: Suny Upstate Medical University Alan And Marlene Norton Coll Of Med Med School: Lau Gilbert And Rose-Marie Chagoury School Of Medicine Med School: University Of Baghdad College Of Medicine
Current Profile
View Profile View Profile View Profile

Insurance Plans Accepted by John K. Maesaka

  • Accepts Medicare
  • Aetna HMO
  • Aetna Indemnity
  • Aetna Medicare
  • Local 1199 - NYU Hospital Member Choice
  • Local 1199 PPO

Medical Specialties

John K. Maesaka has the following 2 specialties

Specialty Expertise

John K. Maesaka has the following 9 areas of expertise

  • Chronic Kidney Disease (CKD)
  • Chronic Renal Disease
  • Dialysis
  • End Stage Renal Disease (ESRD)
  • Hemodialysis
  • Kidney Biopsy
  • Nephrologist
  • Peritoneal Dialysis
  • Urinalysis

Certifications, License, & Education

65 Years Experience

John K. Maesaka holds an expired medical license in the state of New York.

Medical License

Medical Doctor with an expired medical license in the state of New York that expired in 2026.

Education & Training

Residency

Completed their residency at Mount Sinai Medical Center.

Medical School

Graduated from Boston University School Of Medicine in 1961.

NPI Number

John K. Maesaka's NPI number is 1417911686.

Similar doctors

Frequently Asked Questions

How can I make an appointment with John Maesaka?
You can find contact information for John Maesaka here on Vitals.
What languages does John Maesaka speak?
John Maesaka speaks English and Spanish.
Is John Maesaka accepting new patients?
John Maesaka is accepting new patients on Vitals. View John Maesaka's profile on Vitals to make an appointment.
Does John Maesaka accept my insurance?
You can see the insurance plans that John Maesaka accepts on their Vitals profile.
Does John Maesaka accept virtual/telehealth appointments?
John Maesaka has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.

Data Sources

This provider profile is built using data from:

  • NPPES NPI Registry
  • State medical licensing boards
  • Healthcare system and provider network data

Ensuring Data Transparency and Trust: A Guide to Vitals Doctor Listings and Reviews

Our provider data is gathered directly from physicians and publicly available databases. Providers who verify their profiles gain the ability to update information, offering additional details about their specialties,education, treated conditions, performed procedures, and accepted insurances.

Reviews on Vitals are submitted by users only. Recognizing the valuable insights these reviews offer into a doctor's reputation, we maintain internal policies and protocols to ensure the quality and accuracy of all reviews. Importantly, providers cannot delete or alter reviews independently. Reviews can only be deleted or changed following an internal assessment by our customer service team.

Your feedback is highly valued and we encourage you to contact our support team should you encounter any issues.