ZENON PROTOPAPAS (MD) – Diagnostic Radiology Physician, NPI 1083606321
Diagnostic Radiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
805 DIAGNOSTIC RADIOLOGY in CT
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Provider Addresses for ZENON PROTOPAPAS (MD)
PO BOX 8416
NEW HAVEN, CT 065300416
Phone: (203) 777-6209
Fax: (203) 787-2431
Type: Mailing
Yale New Haven Hospital Saint Raphael Campus, 1450, Chapel Street, Dwight Street Historic District, New Haven, New Haven County, Connecticut, 06511, United States
NEW HAVEN, CT 065114405
Phone: (203) 789-3124
Fax: (203) 789-4118
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2007-05-17
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 |
|---|---|---|---|---|
| I20070517000544 | I | Diagnostic Radiology | CT | 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 |
|---|---|---|---|---|
| A9585 | Injection, gadobutrol, 0.1 ml | 1,730 | 13 | $0 |
| 75561 | Mri scan of heart before and after contrast | 36 | 36 | $0 |
Insurance plans in this area (ZIP 06530)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Diagnostic Radiology | RI | |
| Diagnostic Radiology | CT | |
| - | IL | |
| Interventional Radiology, Diagnostic Radiology | CT | |
| Diagnostic Radiology | MN | |
| Diagnostic Radiology | MA | |
| Physician Assistant | CT | |
| Diagnostic Radiology | CT | |
| Diagnostic Radiology | MA | |
| Diagnostic Radiology | CT |
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