PETER JAMES ZAVITSANOS (M.D.) – Radiation Oncology Physician, NPI 1447664453
Radiation Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
494 RADIATION ONCOLOGY in FL
Provider Addresses for PETER JAMES ZAVITSANOS (M.D.)
14535 CORTEZ BLVD
BROOKSVILLE, FL 346136065
Phone: (352) 596-3622
Fax: (352) 596-0901
Type: Location
5350 SPRING HILL DR
SPRING HILL, FL 346064562
Phone: (352) 277-5348
Fax: (352) 606-2857
Type: Mailing
14690 SPRING HILL DR STE 305
SPRING HILL, FL 346098102
Phone: (352) 277-5348
Fax: (352) 606-2857
Type: Mailing
15211 CORTEZ BLVD
BROOKSVILLE, FL 346136072
Phone: (352) 345-4565
Fax: (352) 596-6051
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 59 Open Payments records for all available years, with a total value of $1,291.
Total Amount is formed as General ($1,291) + Research ($0) + Ownership ($0) = $1,291.
Last reported payment date: 2024-12-20 • Largest payer in this snapshot: Novartis Pharmaceuticals Corporation ($344).
Total Amount
$1,291
General + Research + Ownership
Payments
59
Total payment records
General Amount
$1,291
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-20
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Novartis Pharmaceuticals Corporation | $344 |
| Bayer Healthcare Pharmaceuticals Inc. | $285 |
| Celltrion USA Inc. | $114 |
| Eisai Inc. | $76 |
| Seagen Inc. | $51 |
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: 2019-08-15
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 |
|---|---|---|---|---|
| I20190815002775 | I | Radiation Oncology | 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 |
|---|---|---|---|---|
| 77014 | Ct guidance for insertion of radiation therapy fields | 318 | 13 | $0 |
| G6015 | Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment session | 318 | 13 | $0 |
| 77336 | Continuing radiation therapy consultation per week | 71 | 15 | $0 |
| 77427 | Radiation treatment management, 5 treatment sessions | 70 | 14 | $0 |
| 77300 | Calculation of radiation therapy dose | 56 | 16 | $0 |
Insurance plans in this area (ZIP 34613)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Medical Oncology, Hematology | FL | |
| Nurse Practitioner | FL | |
| Nurse Practitioner | FL | |
| Nurse Practitioner | FL | |
| H E M A T O L O G Y/ O N C O L O G Y | FL | |
| - | KY | |
| H E M A T O L O G Y/ O N C O L O G Y | FL | |
| - | GA | |
| H E M A T O L O G Y/ O N C O L O G Y | FL | |
| Radiation Oncology | CA |
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