MARGARET VIEIRA
NPI 1043106768
Nurse Practitioner - Family in South Lake Tahoe, CA
About Margaret Vieira NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARGARET VIEIRA (NPI 1043106768) is an individual family provider in South Lake Tahoe, California, licensed in California (95035823) and active in the NPI registry since June 2025. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Margaret Vieira is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Margaret Vieira reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
South Lake Tahoe, CA 96150
- Reassigned Medicare billing, California enrollment
- 148 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 96150 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.
SOUTH LAKE TAHOE, CA 96150
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 Margaret Vieira's NPI number?
The NPI number for Margaret Vieira is 1043106768. It was assigned to this individual provider in the NPPES registry on June 17, 2025.
Where is Margaret Vieira located?
Margaret Vieira practices at 2201 South Ave, South Lake Tahoe, CA 96150. The listed phone number is (530) 543-5623.
What is Margaret Vieira's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Margaret Vieira enrolled in Medicare?
Yes. Margaret Vieira is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Margaret Vieira's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Vieira reassigns Medicare benefits to Barton Medical Foundation (South Lake Tahoe, 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 Margaret Vieira's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Margaret Vieira was last updated on June 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# Margaret Vieira · NPI 1043106768
Family physician in South Lake Tahoe, California. Individual provider, active in the CMS NPPES registry since June 17, 2025.
## Identity
- **NPI:** 1043106768 (Entity type: Individual)
- **Enumerated:** June 17, 2025
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 95035823 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 2201 SOUTH AVE, South Lake Tahoe, CA 96150-7025
- **Phone:** (530) 543-5623
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Barton Medical Foundation (NPI 1750950499, South Lake Tahoe, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 30, 2025
---
Source: [NPI Profile](https://npiprofile.com/npi/1043106768) · Data from the CMS NPPES public registry.