PROF. IOANNIS S CHATZIZISIS (MD, PHD) – Cardiovascular Disease Physician, NPI 1528406097
Cardiovascular Disease Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
171 CARDIOVASCULAR DISEASE (CARDIOLOGY) in NE
Provider Addresses for PROF. IOANNIS S CHATZIZISIS (MD, PHD)
988102 NEBRASKA MEDICAL CTR
OMAHA, NE 681988102
Phone:
Type: Mailing
EMILE @ 42ND ST
OMAHA, NE 681988102
Phone: (402) 559-8888
Fax: (402) 559-3060
Type: Location
5555 PONCE DE LEON BLVD
CORAL GABLES, FL 331462513
Phone: (305) 585-6683
Type: Mailing
5555 PONCE DE LEON BLVD FL 3
CORAL GABLES, FL 331462513
Phone: (305) 585-6683
Fax: (305) 324-6012
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 70 Open Payments records for all available years, with a total value of $107,963.
Total Amount is formed as General ($107,963) + Research ($0) + Ownership ($0) = $107,963.
Last reported payment date: 2024-12-10 • Largest payer in this snapshot: Boston Scientific Corporation ($52,878).
Total Amount
$107,963
General + Research + Ownership
Payments
70
Total payment records
General Amount
$107,963
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-10
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Boston Scientific Corporation | $52,878 |
| Medtronic, Inc. | $50,582 |
| HeartFlow, Inc. | $1,596 |
| Siemens Medical Solutions USA, Inc. | $1,252 |
| Penumbra, Inc. | $725 |
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: 2023-01-18
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 |
|---|---|---|---|---|
| I20230118002172 | I | Cardiovascular Disease (Cardiology) | FL | 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.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 59 | 42 | $0 |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | 31 | 31 | $0 |
| 99152 | Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes | 25 | 20 | $0 |
| 75574 | Ct scan of blood vessels and grafts of heart with contrast | 20 | 20 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 14 | 13 | $0 |
Insurance plans in this area (ZIP 68198)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| O P H T H A L M O L O G Y | FL | |
| - | FL |
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