Dung Trinh, MD
NPI 1306827670ActiveIndividual· Internal Medicine· Mission Viejo, CA
Internal Medicine (MD) in Mission Viejo, California, licensed in CA, with an NPI issued in November 2005. Medicare paid $7,497 for services to 74 patients in 2024. Otsuka America Pharmaceutical, Inc. was the largest of 9 companies reporting payments in 2025, $49,855 in all, mostly speaking and faculty fees.
Overview
| NPI | 1306827670 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 14, 2005 |
| Last updated in NPPES | Jan 12, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A63616 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 74 |
|---|---|
| Services billed | 91 across 7 procedure codes |
| Paid by Medicare | $7,497 |
Industry payments (Open Payments)
- 2025$49,855 · 78 payments from 9 companies
- 2024$53,829 · 73 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Otsuka America Pharmaceutical, Inc. | $40,090 | 52 |
| Eisai Inc. | $7,809 | 10 |
| Merck Sharp & Dohme LLC | $1,406 | 8 |
| Otsuka Pharmaceutical Development & Commercialization, Inc. | $155.35 | 3 |
| Lilly USA, LLC | $125.00 | 1 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$35,676 · 17 payments
- Travel and Lodging$5,830 · 23 payments
- Consulting Fee$5,663 · 4 payments
- Food and Beverage$1,690 · 32 payments
- Compensation for serving as faculty or as a speaker for a medical education program$980.00 · 1 payment
- Education$16.56 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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