OLIVIA NGUYEN
NPI 1902478779
Family Medicine - Addiction Medicine in Ventura, CA
About Olivia Nguyen NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
OLIVIA NGUYEN (NPI 1902478779) is an individual addiction medicine provider in Ventura, California, licensed in California (A196357) and active in the NPI registry since July 2021. She is enrolled in Medicare PECOS, maintains 6 additional practice locations, and is a graduate of University Of Texas Southwestern Medical School At Dallas (2021).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 6
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Olivia Nguyen 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 93003 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.
VENTURA, CA 93003
VENTURA, CA 93003
VENTURA, CA 93003
VENTURA, CA 93003
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 Olivia Nguyen's NPI number?
The NPI number for Olivia Nguyen is 1902478779. It was assigned to this individual provider in the NPPES registry on July 12, 2021.
Where is Olivia Nguyen located?
Olivia Nguyen practices at 300 Hillmont Ave, Ventura, CA 93003. The listed phone number is (805) 652-6000.
What is Olivia Nguyen's specialty?
The primary specialty registered for this NPI is Family Medicine, specializing in Addiction Medicine, with taxonomy code 207QA0401X.
Is Olivia Nguyen enrolled in Medicare?
Yes. Olivia Nguyen 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.
When was this NPI record last updated?
The NPPES record for Olivia Nguyen was last updated on June 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Olivia Nguyen · NPI 1902478779
Addiction Medicine physician in Ventura, California. Individual provider, active in the CMS NPPES registry since July 12, 2021.
## Identity
- **NPI:** 1902478779 (Entity type: Individual)
- **Enumerated:** July 12, 2021
- **Primary specialty:** Family Medicine - Addiction Medicine · taxonomy 207QA0401X
- **State license:** A196357 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 300 HILLMONT AVE, Ventura, CA 93003-1651
- **Phone:** (805) 652-6000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** University Of Texas Southwestern Medical School At Dallas, class of 2021
## Record status
- **NPPES last updated:** June 23, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1902478779) · Data from the CMS NPPES public registry.