DIEN THUY TON-THAT D.O.
NPI 1306074687
Student in an Organized Health Care Education/Training Program in Orange, CA
About Dien Thuy Ton-that D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DIEN THUY TON-THAT D.O. (NPI 1306074687) is an individual student in an organized health care education/training program in Orange, California and active in the NPI registry since June 2009. He is enrolled in Medicare PECOS and is a graduate of Rutgers School Of Dental Medicine (2009).
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 and accepts Medicare assignment
Dien Thuy Ton-that 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 Dien Ton-that reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Chino Hills, CA 91709
- Reassigned Medicare billing, California enrollment
- 5,228 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.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
ORANGE, CA 92868
ORANGE, CA 92868
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 Dien Ton-that's NPI number?
The NPI number for Dien Ton-that is 1306074687. It was assigned to this individual provider in the NPPES registry on June 25, 2009.
Where is Dien Ton-that located?
Dien Ton-that practices at 101 The City Dr S Bldg. 200, Ste. 720, Orange, CA 92868. The listed phone number is (714) 456-5691.
What is Dien Ton-that's specialty?
The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.
Is Dien Ton-that enrolled in Medicare?
Yes. Dien Ton-that 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 Dien Ton-that's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Dien Ton-that reassigns Medicare benefits to Southern California Permanente Medical Group (Chino Hills, 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 Dien Ton-that'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 Dien Ton-that was last updated on December 8, 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.
# Dien Thuy Ton-That, D.O. · NPI 1306074687
Student in an Organized Health Care Education/Training Program provider in Orange, California. Individual provider, active in the CMS NPPES registry since June 25, 2009.
## Identity
- **NPI:** 1306074687 (Entity type: Individual)
- **Enumerated:** June 25, 2009
- **Primary specialty:** Student in an Organized Health Care Education/Training Program · taxonomy 390200000X
- **Sole proprietor:** No
## Practice location
- **Address:** 101 THE CITY DR S, BLDG. 200, STE. 720, Orange, CA 92868-3201
- **Phone:** (714) 456-5691 · **Fax:** (714) 456-8874
## 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 1396287082, Chino Hills, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Rutgers School Of Dental Medicine, class of 2009
## Record status
- **NPPES last updated:** December 8, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1306074687) · Data from the CMS NPPES public registry.