Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Ioannis Kalogirou Valtis

Individual provider Hematology & Oncology Physician · NPI 1023508488

Ioannis Kalogirou Valtis is a Hematology/Oncology in New York, New York. Graduated from Harvard Medical School in 2018, 8 years ago. Practices with Memorial Hematology Lymphoma Group, a 216-clinician group, accepts Medicare assignment and offers telehealth. Licensed in New York.

Years since qualifying
8
Trained at
Harvard Medical School
Licensed in
NY
In the registry since
2018
Claim this listing Report a problem Suggest an edit

Practice location Address checks out

1275 York Ave
New York, NY 10065-6007
Phone: (347) 798-9213
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence 323055 (NY)

Record details

NPI number1023508488
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedMay 11, 2018
Last updated in NPPESFebruary 27, 2025
Certification dateFebruary 27, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyHEMATOLOGY/ONCOLOGY
Medical schoolHARVARD MEDICAL SCHOOL
Graduated 2018 (8 years in practice)
Group practice Memorial Hematology Lymphoma Group — 216 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

Other providers in New York