DR. VI NGHIEM MD
NPI 1285209379
Anesthesiology in Fairfield, CA
About Dr. Vi Nghiem Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. VI NGHIEM MD (NPI 1285209379) is an individual anesthesiology provider in Fairfield, California, licensed in California (A182559) and active in the NPI registry since May 2021. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Uniformed Services Uhs Fe Hebert School Of Med (2021).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
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
Dr. Vi Nghiem Md 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 Vi Nghiem reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Sacramento, CA 95821
- Reassigned Medicare billing, California enrollment
- 65 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.
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.
TRAVIS AFB, CA 94535
TRAVIS AFB, CA 94535
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 Vi Nghiem's NPI number?
The NPI number for Vi Nghiem is 1285209379. It was assigned to this individual provider in the NPPES registry on May 21, 2021.
Where is Vi Nghiem located?
Vi Nghiem practices at 101 Bodin Cir, Fairfield, CA 94535. The listed phone number is (707) 423-3000.
What is Vi Nghiem's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Vi Nghiem enrolled in Medicare?
Yes. Vi Nghiem 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 Vi Nghiem's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Vi Nghiem reassigns Medicare benefits to Sacsolano Anesthesia Exchange Medical Group, Inc (Sacramento, 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 Vi Nghiem'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 Vi Nghiem was last updated on June 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# Dr. Vi Nghiem, MD · NPI 1285209379
Anesthesiology physician in Fairfield, California. Individual provider, active in the CMS NPPES registry since May 21, 2021.
## Identity
- **NPI:** 1285209379 (Entity type: Individual)
- **Enumerated:** May 21, 2021
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** A182559 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 101 BODIN CIR, Fairfield, CA 94535-1809
- **Phone:** (707) 423-3000
## 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:** Sacsolano Anesthesia Exchange Medical Group, Inc (NPI 1720401284, Sacramento, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Uniformed Services Uhs Fe Hebert School Of Med, class of 2021
## Record status
- **NPPES last updated:** June 18, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1285209379) · Data from the CMS NPPES public registry.