MR. CRISTIAN A VASILIEV FNP
NPI 1003508649
Nurse Practitioner - Family in Green Bay, WI
About Mr. Cristian A Vasiliev Fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. CRISTIAN A VASILIEV FNP (NPI 1003508649) is an individual family provider in Green Bay, Wisconsin, licensed in Wisconsin (13994-33) and active in the NPI registry since May 2023. He is enrolled in Medicare PECOS, is affiliated with Bellin Memorial Hospital, and is a graduate of Other (2022).
NPPES Registry Identity
Specialties & Licenses
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
Mr. Cristian A Vasiliev Fnp 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 Reassignment
Medicare enrollment records show Cristian Vasiliev reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Green Bay, WI 54301
- Reassigned Medicare billing, Wisconsin enrollment
- 875 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.
Bellin Memorial Hospital
Acute Care Hospitals · Green Bay, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 54301 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.
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 Cristian Vasiliev's NPI number?
The NPI number for Cristian Vasiliev is 1003508649. It was assigned to this individual provider in the NPPES registry on May 23, 2023.
Where is Cristian Vasiliev located?
Cristian Vasiliev practices at 923 Eliza St, Green Bay, WI 54301. The listed phone number is (920) 965-4800.
What is Cristian Vasiliev's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Cristian Vasiliev enrolled in Medicare?
Yes. Cristian Vasiliev 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 organization bills Medicare for Cristian Vasiliev's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Cristian Vasiliev reassigns Medicare benefits to Bellin Memorial Hospital Inc (Green Bay, WI). The 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 Cristian Vasiliev's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Cristian Vasiliev accept?
Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare) and HealthPartners list Cristian Vasiliev 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 Cristian Vasiliev affiliated with any hospitals?
According to CMS data, Cristian Vasiliev is affiliated with Bellin Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Cristian Vasiliev was last updated on April 10, 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.
# Mr. Cristian A Vasiliev, FNP · NPI 1003508649
Family physician in Green Bay, Wisconsin. Individual provider, active in the CMS NPPES registry since May 23, 2023.
## Identity
- **NPI:** 1003508649 (Entity type: Individual)
- **Enumerated:** May 23, 2023
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 13994-33 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 923 ELIZA ST, Green Bay, WI 54301-3018
- **Phone:** (920) 965-4800
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Bellin Memorial Hospital Inc (NPI 1932565272, Green Bay, WI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2022
## Record status
- **NPPES last updated:** April 10, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1003508649) · Data from the CMS NPPES public registry.