VIVIAN NGOC-VY BUI NP
NPI 1124739057
Nurse Practitioner in East Providence, RI
About Vivian Ngoc-vy Bui Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
VIVIAN NGOC-VY BUI NP (NPI 1124739057) is an individual nurse practitioner in East Providence, Rhode Island, licensed in California (95026974) and active in the NPI registry since December 2022. She is enrolled in Medicare PECOS, is affiliated with The Miriam Hospital, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 3
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
Vivian Ngoc-vy Bui Np 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 Vivian Bui reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
East Palo Alto, CA 94303
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: County Of San Mateo
- 597 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 2
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.
The Miriam Hospital
Acute Care Hospitals · Providence, RIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02914 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 14
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
EAST PROVIDENCE, RI 02914
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 Vivian Bui's NPI number?
The NPI number for Vivian Bui is 1124739057. It was assigned to this individual provider in the NPPES registry on December 12, 2022.
Where is Vivian Bui located?
Vivian Bui practices at 900 Warren Ave Ste 400, East Providence, RI 02914. The listed phone number is (401) 331-1221.
What is Vivian Bui's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Vivian Bui enrolled in Medicare?
Yes. Vivian Bui 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 Vivian Bui's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Vivian Bui reassigns Medicare benefits to San Mateo County (East Palo Alto, CA). 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 Vivian Bui's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Vivian Bui affiliated with any hospitals?
According to CMS data, Vivian Bui is affiliated with The Miriam Hospital.
When was this NPI record last updated?
The NPPES record for Vivian Bui was last updated on April 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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.
# Vivian Ngoc-Vy Bui, NP · NPI 1124739057
Nurse Practitioner physician in East Providence, Rhode Island. Individual provider, active in the CMS NPPES registry since December 12, 2022.
## Identity
- **NPI:** 1124739057 (Entity type: Individual)
- **Enumerated:** December 12, 2022
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** 95026974 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 900 WARREN AVE STE 400, East Providence, RI 02914-1430
- **Phone:** (401) 331-1221
## 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:** San Mateo County (NPI 1710086301, East Palo Alto, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, San Francisco School Of Medicine, class of 2023
## Record status
- **NPPES last updated:** April 21, 2026
---
Source: [NPI Profile](https://npiprofile.com/npi/1124739057) · Data from the CMS NPPES public registry.