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Summary
Dr. Leonidas Diamantopoulos treats hypertensive emergency and hypertension and performs hospice care, life-prolonging treatment, and palliative care. He practices oncology and internal medicine with 10 years of experience. Dr. Diamantopoulos earned his medical degree from the University of Ioannina Medical School and 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, seeing patients in Staten Island, New York, and Rochester, Minnesota.
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 | Adam J. Schoenfeld, MD | Marcin Chwistek | Sara Small |
| Oncology | Oncology | Oncology | Oncology |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | Accepts New Patients |
| 10 Years of Experience | 12 Years of Experience | 33 Years of Experience | 9 Years of Experience |
| No Virtual Visit Option | Virtual Visit Available | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English | |||
| Staten Island , NY | New York , NY | Philadelphia , PA | Philadelphia , PA |
| Med School: University Of Ioannina Medical School | Med School: University of California San Francisco | Med School: Jagiellonian University Medical College | Med School: Perelman School Of Medicine At University Of Pennsylvania |
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
- Where is Dr. Leonidas Diamantopoulos's office located?
- Dr. Leonidas Diamantopoulos's office is located at 375 Seguine Ave, Staten Island, NY, 10309.
- 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 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.
Data Sources
This provider profile is built using data from:
- NPPES NPI Registry
- State medical licensing boards
- Healthcare system and provider network data
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