THI TRIEU OD
NPI 1598880007
Optometrist in San Diego, CA
About Thi Trieu Od NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
THI TRIEU OD (NPI 1598880007) is an individual optometrist in San Diego, California, licensed in California (OPT12519) and active in the NPI registry since March 2007. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Thi Trieu Od is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Thi Trieu reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Diego, CA 92120
- 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 92120 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.
SAN DIEGO, CA 92120
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 Thi Trieu's NPI number?
The NPI number for Thi Trieu is 1598880007. It was assigned to this individual provider in the NPPES registry on March 21, 2007.
Where is Thi Trieu located?
Thi Trieu practices at 4647 Zion Ave, San Diego, CA 92120. The listed phone number is (619) 528-5000.
What is Thi Trieu's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Thi Trieu enrolled in Medicare?
Yes. Thi Trieu is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Thi Trieu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Thi Trieu reassigns Medicare benefits to Southern California Permanente Medical Group (San Diego, 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 Thi Trieu'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 Thi Trieu was last updated on December 3, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Thi Trieu, OD · NPI 1598880007
Optometrist provider in San Diego, California. Individual provider, active in the CMS NPPES registry since March 21, 2007.
## Identity
- **NPI:** 1598880007 (Entity type: Individual)
- **Enumerated:** March 21, 2007
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **State license:** OPT12519 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 4647 ZION AVE, San Diego, CA 92120-2507
- **Phone:** (619) 528-5000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** Southern California Permanente Medical Group (NPI 1225060742, San Diego, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** December 3, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1598880007) · Data from the CMS NPPES public registry.