BRITTANY MAZEJKO – Nurse Practitioner, NPI 1518514926
Nurse Practitioner
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
14,984 NURSE PRACTITIONER in OH
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Provider Addresses for BRITTANY MAZEJKO
Niles Cortland Road, Warren, Trumbull County, Ohio, 44484, United States
WARREN, OH 444846046
Phone:
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 196 Open Payments records for all available years, with a total value of $4,021.
Total Amount is formed as General ($4,021) + Research ($0) + Ownership ($0) = $4,021.
Last reported payment date: 2024-12-19 • Largest payer in this snapshot: E.R. Squibb & Sons, L.L.C. ($400).
Total Amount
$4,021
General + Research + Ownership
Payments
196
Total payment records
General Amount
$4,021
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-19
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| E.R. Squibb & Sons, L.L.C. | $400 |
| Novartis Pharmaceuticals Corporation | $337 |
| Daiichi Sankyo Inc. | $284 |
| PFIZER INC. | $281 |
| Takeda Pharmaceuticals U.S.A., Inc. | $168 |
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: 2019-12-02
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 |
|---|---|---|---|---|
| I20191202001459 | I | Nurse Practitioner | OH | 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 44484)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Hematology/Oncology, Internal Medicine | PA | |
| H E M A T O L O G Y/ O N C O L O G Y | PA | |
| H E M A T O L O G Y/ O N C O L O G Y | NH | |
| Physician Assistant | OH | |
| Nurse Practitioner | OH | |
| - | PA |
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