Dien Ton-That, D.O.
NPI 1306074687 · Student in an Organized Health Care Education/Training Program · Orange, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dien Ton-That, D.O. is a Student in an Organized Health Care Education/Training Program provider in Orange, CA (NPI 1306074687).
Provider details
- NPI number
- 1306074687
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cefpodoxime Proxetil | 24 | 24 |
| Amlodipine Besylate | 13 | 12 |
| Prednisone | 13 | 11 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 12 | — |
| Furosemide | 12 | — |
| Potassium Chloride | 12 | — |
| Apixabanbrand: Eliquis | 11 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-06-25
- Last updated
- 2021-12-08
Frequently asked questions
- What is Dien Ton-That's NPI number?
- Dien Ton-That's National Provider Identifier (NPI) is 1306074687, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dien Ton-That's specialty?
- Dien Ton-That is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is Dien Ton-That located?
- Dien Ton-That's practice location on file with NPPES is 101 the City Dr S, Orange, CA 92868-3201.
- What is Dien Ton-That's phone number?
- The practice phone number listed in the NPPES registry for Dien Ton-That is (714) 456-5691.
- Does Dien Ton-That accept Medicare?
- Dien Ton-That is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dien Ton-That's NPI active?
- Yes — Dien Ton-That's NPI (1306074687) is active in the NPPES registry as of the last update on 2021-12-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.