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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.
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.
Overview based on verified provider data
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 locationsMayo Clinic
200 1st St SwRochester, MN 55905 Tel: (507) 284-2511
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
Compare with Similar Doctors
 | |  |  |
| Dr. Leonidas Nikolaos Diamantopoulos | Damon R. Reed, MD | Shakeel Modak, MD | Ann A. Jakubowski, MD, PhD |
| Oncology | Oncology | Oncology | Oncology |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | Accepts New Patients |
| 10 Years of Experience | 24 Years of Experience | 35 Years of Experience | 45 Years of Experience |
| No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available | Virtual Visit Available |
| Speaks English | Speaks English | Speaks English | |
| Staten Island , NY | New York , NY | New York , NY | New York , NY |
| Med School: University Of Ioannina Medical School | Med School: Case Western Reserve University School Of Medicine | Med School: Topiwala National Medical College | Med School: University of Connecticut Medical School |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Leonidas Nikolaos Diamantopoulos
Medical Specialties
Dr. Leonidas Nikolaos Diamantopoulos has the following 2 specialties
Specialty Expertise
Dr. Leonidas Nikolaos Diamantopoulos has the following 2 areas of expertise
Certifications, License, & Education
10 Years Experience
Dr. Leonidas Nikolaos Diamantopoulos 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
Medical School
Graduated from University Of Ioannina Medical School in 2016.
NPI Number
Dr. Diamantopoulos' NPI number is 1295358273.
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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.
- 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.
- Where is Dr. Leonidas Diamantopoulos's office located?
- Dr. Leonidas Diamantopoulos's office is located at 375 Seguine Ave, Staten Island, NY, 10309.
- 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.
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