Summary

Dr. Leonidas Diamantopoulos is an oncology specialist with additional expertise in internal medicine. He earned his medical degree from the University of Ioannina Medical School and brings a decade of clinical experience to his practice. His dual specialization allows him to provide comprehensive care for cancer patients while managing their overall health needs.

Dr. Diamantopoulos practices at multiple respected medical facilities, including Mayo Clinic Hospital Saint Marys Campus and Mayo Clinic in Rochester, Minnesota, as well as Staten Island University Hospital and Staten Island University Hospital South in Staten Island, New York. He treats patients with various blood pressure conditions, including hypertensive emergencies and both adult and pediatric hypertension. His clinical work includes performing essential diagnostic procedures such as complete blood counts and comprehensive metabolic panels to monitor patient health and guide treatment decisions.

AI-generated from data on this provider profile.

Quick Facts

  • accepting new patients
  • 10 years of experience
  • 24 insurance plans accepted
  • University Of Ioannina Medical School
  • 2 specialties
  • 2 areas of expertise
  • 5 hospital affiliations
  • 4 office locations
  • Male

Office Locations

Dr. Leonidas Nikolaos Diamantopoulos has 4 locations

Mayo Clinic Hospital Saint Marys Campus

1216 2nd St SwRochester, MN 55902

Mayo Clinic

200 1st St SwRochester, MN 55905
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

Staten Island University Hospital

475 Seaview AveStaten Island, NY 10305

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Dr. Leonidas Nikolaos Diamantopoulos
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Dr. Leonidas Nikolaos DiamantopoulosDr. Joshua A. Budhu, MDDr. Michael V. Ortiz, MDDr. Sir Murray F. Brennan, MD
OncologyOncologyOncologyOncology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
10 Years of Experience 14 Years of Experience 16 Years of Experience 62 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English Speaks English Speaks English
Staten Island , NYNew York , NYNew York , NYNew York , NY
Med School: University Of Ioannina Medical School Med School: Morehouse School of Medicine Med School: University of Florida Med School: University of Otago
Current Profile
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Insurance Plans Accepted by Dr. Leonidas Nikolaos Diamantopoulos

  • 1199SEIU
  • AARP
  • Aetna
  • AmeriGroup
  • Anthem Blue Cross
  • Blue Cross Blue Shield
  • CareSource
  • Cigna
  • EmblemHealth
  • Health Choice Arizona
  • HealthPartners
  • HealthPartners - Medicaid (Managed)
  • Humana
  • Humana - HMO
  • Humana - Medicare (Advantage HMO)
  • MagnaCare
  • Medicaid
  • Medicaid - Medicaid (Managed)
  • Meritain Health
  • MetroPlus Health Plan
  • Sanford Health Plan
  • Tricare
  • UnitedHealthcare
  • VillageCareMax

Medical Specialties

Dr. Leonidas Nikolaos Diamantopoulos has the following 2 specialties

Specialty Expertise

Dr. Leonidas Nikolaos Diamantopoulos has the following 2 areas of expertise

  • Hematology/oncology
  • Internal Medicine

Certifications, License, & Education

10 Years Experience

MEDICAL LICENSE

Medical Doctor, New York, 2026, Expired

EDUCATION & TRAINING

Medical School

University Of Ioannina Medical SchoolGraduated in 2016

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Frequently Asked Questions

Is Dr. Leonidas Diamantopoulos accepting new patients?
Dr. Leonidas Diamantopoulos is accepting new patients on Vitals. View Dr. Leonidas Diamantopoulos's profile on Vitals to make an appointment.
How can I make an appointment with Dr. Leonidas Diamantopoulos?
You can find contact information for Dr. Leonidas Diamantopoulos here on Vitals.
Does Dr. Leonidas Diamantopoulos accept virtual/telehealth appointments?
Dr. Leonidas Diamantopoulos has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Does Dr. Leonidas Diamantopoulos accept my insurance?
You can see the insurance plans that Dr. Leonidas Diamantopoulos accepts on their Vitals profile.
Which hospitals is Dr. Leonidas Diamantopoulos affiliated with?
Dr. Leonidas Diamantopoulos is affiliated with Mayo Clinic Hospital Methodist Campus, Mayo Clinic Hospital Saint Marys Campus, Staten Island University Hospital, Olmsted Medical Center, and Staten Island University Hospital South.

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