IOANNIS KALOGIROU VALTIS – Hematology & Oncology Physician, NPI 1023508488
Hematology & Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,164 HEMATOLOGY/ONCOLOGY in NY
Provider Addresses for IOANNIS KALOGIROU VALTIS
1275 YORK AVE
NEW YORK, NY 100656007
Phone: (347) 798-9213
Type: Mailing
Brigham and Women's Hospital, 75, Francis Street, Roxbury, Boston, Suffolk County, Massachusetts, 02115, United States
BOSTON, MA 021156110
Phone: (617) 983-7025
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $72.
Total Amount is formed as General ($72) + Research ($0) + Ownership ($0) = $72.
Last reported payment date: 2024-12-07 • Largest payer in this snapshot: Genentech USA, Inc. ($72).
Total Amount
$72
General + Research + Ownership
Payments
1
Total payment records
General Amount
$72
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-07
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Genentech USA, Inc. | $72 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2025-09-18
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20250918000023 | I | Hematology/Oncology | NY | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 10065)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | NY | |
| Nurse Practitioner | NY | |
| Gynecological Oncology, Obstetrics/Gynecology | WI | |
| - | NY | |
| N E U R O L O G Y | NH | |
| Nurse Practitioner | NY | |
| - | NY | |
| Nurse Practitioner | NY | |
| Physician Assistant | NY | |
| D E R M A T O L O G Y | NY |
Reviews
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