DR. TU-ANH NGUYEN D.O.
NPI 1659750487
Family Medicine in Gardena, CA
About Dr. Tu-anh Nguyen D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. TU-ANH NGUYEN D.O. (NPI 1659750487) is an individual family medicine provider in Gardena, California, licensed in California (20A16164) and active in the NPI registry since May 2015. She is enrolled in Medicare PECOS, maintains a secondary practice location in North Bergen, and is a graduate of Other (2015).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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. Tu-anh Nguyen D.o. 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 Tu-anh Nguyen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Hawthorne, CA 90250
- Reassigned Medicare billing, California enrollment
- 13,921 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 90249 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.
GARDENA, CA 90249
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 Tu-anh Nguyen's NPI number?
The NPI number for Tu-anh Nguyen is 1659750487. It was assigned to this individual provider in the NPPES registry on May 26, 2015.
Where is Tu-anh Nguyen located?
Tu-anh Nguyen practices at 15446 S Western Ave, Gardena, CA 90249. The listed phone number is (310) 217-5331.
What is Tu-anh Nguyen's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Tu-anh Nguyen enrolled in Medicare?
Yes. Tu-anh 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.
Which organization bills Medicare for Tu-anh Nguyen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tu-anh Nguyen reassigns Medicare benefits to Southern California Permanente Medical Group (Hawthorne, 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 Tu-anh Nguyen'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 Tu-anh Nguyen was last updated on November 15, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Dr. Tu-Anh Nguyen, D.O. · NPI 1659750487
Family Medicine physician in Gardena, California. Individual provider, active in the CMS NPPES registry since May 26, 2015.
## Identity
- **NPI:** 1659750487 (Entity type: Individual)
- **Enumerated:** May 26, 2015
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 20A16164 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 15446 S WESTERN AVE, Gardena, CA 90249-4319
- **Phone:** (310) 217-5331
## 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:** Southern California Permanente Medical Group (NPI 1164914115, Hawthorne, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** November 15, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1659750487) · Data from the CMS NPPES public registry.