CASSIE CZAJA DNP
NPI 1376327601
Nurse Practitioner in Martinsburg, WV
About Cassie Czaja Dnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CASSIE CZAJA DNP (NPI 1376327601) is an individual nurse practitioner in Martinsburg, West Virginia, licensed in West Virginia (120066) and active in the NPI registry since August 2023. She is enrolled in Medicare PECOS, is affiliated with Berkeley Medical Center, and is a graduate of Other (2024).
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Cassie Czaja Dnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Cassie Czaja reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Martinsburg, WV 25401
- Reassigned Medicare billing, West Virginia enrollment
- 231 clinicians in this Medicare group
Martinsburg, WV 25401
- Reassigned Medicare billing, West Virginia enrollment
- Medicare enrollment name: West Virginia University Medical Corporation
- 2,471 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Berkeley Medical Center
Acute Care Hospitals · Martinsburg, WVPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 25401 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MARTINSBURG, WV 25401
MARTINSBURG, WV 25401
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Cassie Czaja's NPI number?
The NPI number for Cassie Czaja is 1376327601. It was assigned to this individual provider in the NPPES registry on August 18, 2023.
Where is Cassie Czaja located?
Cassie Czaja practices at 2500 Hospital Dr, Martinsburg, WV 25401. The listed phone number is (304) 264-1000.
What is Cassie Czaja's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Cassie Czaja enrolled in Medicare?
Yes. Cassie Czaja is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Cassie Czaja's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Cassie Czaja reassigns Medicare benefits to 2 organizations: City Hospital, Inc. (Martinsburg, WV) and University Hematology And Oncology (Martinsburg, WV). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Cassie Czaja's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Cassie Czaja accept?
Health plans from CareSource list Cassie Czaja as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Cassie Czaja affiliated with any hospitals?
According to CMS data, Cassie Czaja is affiliated with Berkeley Medical Center.
When was this NPI record last updated?
The NPPES record for Cassie Czaja was last updated on July 15, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.