Doctor profile · Federal record

Dr. Ioannis Kalogirou Valtis

Hematology & Oncology Physician (CMS: Hematology/Oncology) · New York, NY

  • NPI 1023508488
  • Accepts Medicare
  • 8 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1275 York Ave
New York, NY 100656007
(347) 798-9213

Credentials & registration

NPPES · NUCC
NPI registered
May 2018 — 8 yrs on file
Profile last updated
February 27, 2025
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
New York #323055

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1023508488. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$72
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Genentech USA, Inc. 1 $71.63

By nature of payment

Food and Beverage
$72

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
11
Patients
0
Total drug cost
$230
Drug Type Claims Patients Total cost
Acyclovir Generic 11 0 $230

Frequently asked questions

Auto-generated from federal data
What is Dr. Ioannis Kalogirou Valtis's medical specialty?
Dr. Ioannis Kalogirou Valtis practices Hematology & Oncology Physician in New York, NY.
Where does Dr. Ioannis Kalogirou Valtis practice?
Dr. Ioannis Kalogirou Valtis practices at 1275 York Ave, New York, NY 100656007. Office phone: 3477989213.
What is Dr. Ioannis Kalogirou Valtis's NPI?
Dr. Ioannis Kalogirou Valtis's National Provider Identifier (NPI) is 1023508488, issued by NPPES.
Does Dr. Ioannis Kalogirou Valtis accept Medicare assignment?
Yes. Dr. Ioannis Kalogirou Valtis accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.