Summary

Dr. Leonard Gioia is an endocrinologist specializing in diabetes and metabolism, with additional expertise in internal medicine. He earned his medical degree from SUNY Downstate Medical Center College of Medicine and completed his residency at Boston University Medical Center. With five decades of clinical experience, Dr. Gioia brings extensive knowledge to his practice. He is fluent in both English and Spanish.

Dr. Gioia is affiliated with South Shore University Hospital and Good Samaritan University Hospital, serving patients in Bay Shore and West Islip, New York. His practice focuses on treating Type 2 diabetes in both adults and younger patients, as well as managing high cholesterol. He performs thyroid hormone testing and general blood work to help monitor and diagnose various conditions. Patients have given Dr. Gioia an average rating of 2.8 on Vitals.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 2.8
  • 50 years of experience
  • speaks English, Spanish
  • Boston University Medical Center
  • 15 written reviews
  • 2 specialties
  • 14 areas of expertise
  • 2 board certifications
  • 2 hospital affiliations
  • 3 office locations
  • Male

Patients’ Perspective

  • Spent time with me
  • Flexible scheduling

Office Locations

Dr. Leonard Vito Gioia has 3 locations

Gioia Leonard V Office

53 Brentwood Rd Ste EBay Shore, NY 11706
Mon10:00 am - 5:00 pm
Tue10:00 am - 5:00 pm
Wed10:00 am - 2:00 pm
Thu10:00 am - 5:00 pm
Fri10:00 am - 5:00 pm
Sat10:00 am - 2:00 pm
SunClosed

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Dr. Leonard Vito Gioia, MDDr. Gabrielle Paula Grinstein, MDJohanna E RahmanEmily Yoon
Endocrinology, Diabetes & MetabolismEndocrinology, Diabetes & MetabolismPediatricsDiagnostic Radiology
Accepts New Patients Accepts New Patients
2.8 
4.9 
50 Years of Experience 32 Years of Experience 12 Years of Experience 6 Years of Experience
No Virtual Visit Option Virtual Visit Available No Virtual Visit Option No Virtual Visit Option
Speaks English, Spanish Speaks English, Spanish
Bay Shore , NYNew York , NYStony Brook , NYMineola , NY
Med School: Suny Downstate Medical Center College Of Medicine Med School: Universidad De Buenos Aires Med School: University Of Arkansas For Medical Sciences College Of Medicine Med School: Sanford School Of Medicine Of The University Of South Dakota
Current Profile
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Insurance Plans Accepted by Dr. Leonard Vito Gioia

  • Accepts Medicare

Medical Specialties

Dr. Leonard Vito Gioia has the following 2 specialties

Specialty Expertise

Dr. Leonard Vito Gioia has the following 14 areas of expertise

  • Acromegaly
  • Addison Disease
  • Cushing Disease
  • Diabetes
  • Diabetes (Types I & II)
  • Diabetes, Type 2
  • Fatigue
  • Gland Issues
  • Hormones
  • Hyperthyroidism
  • Hypopituitarism
  • Hypothyroidism
  • Internal Medicine
  • Thyroid Diseases

Certifications, License, & Education

50 Years Experience

Dr. Leonard Vito Gioia 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 Boston University Medical Center.

Medical School

Graduated from Suny Downstate Medical Center College Of Medicine in 1976.

NPI Number

Dr. Gioia's NPI number is 1710901558.

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Frequently Asked Questions

Which hospitals is Dr. Leonard Gioia affiliated with?
Dr. Leonard Gioia is affiliated with South Shore University Hospital and Good Samaritan University Hospital.
Does Dr. Leonard Gioia accept my insurance?
You can see the insurance plans that Dr. Leonard Gioia accepts on their Vitals profile.
Does Dr. Leonard Gioia accept virtual/telehealth appointments?
Dr. Leonard Gioia has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Where is Dr. Leonard Gioia's office located?
Dr. Leonard Gioia's office is located at 53 Brentwood Rd Ste E, Bay Shore, NY, 11706.
What languages does Dr. Leonard Gioia speak?
Dr. Leonard Gioia speaks English and Spanish.

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