Tien Thuy Phan Truong, PHYSICIAN ASSISTANT
NPI 1831941277ActiveIndividual· Physician Assistant· Anaheim, CA
Physician Assistant (PHYSICIAN ASSISTANT) with Oc Gastrocare, practicing in Anaheim, California. Part D covered 91 prescriptions written in 2024, 92% of them generic. Janssen Biotech, Inc. was the largest of 21 companies reporting payments in 2025, $2,274 in all, mostly food and beverage.
Overview
| NPI | 1831941277 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PHYSICIAN ASSISTANT |
| Sole proprietor | Yes |
| NPI issued | Apr 1, 2024 |
| Last updated in NPPES | Jul 20, 2026 |
| Certified by provider | Jul 20, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 64304 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Physician Assistant (CA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 91 · 102 30-day fills |
|---|---|
| Patients | 48 |
| Total drug cost | $2,674 |
| Generic share | 92% of claims |
Education and affiliations
| Graduation year | 2023 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Oc GastrocareAnaheim, CA · 11 clinicians
Industry payments (Open Payments)
- 2025$2,274 · 96 payments from 21 companies
- 2024$1,064 · 44 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $535.06 | 16 |
| Ardelyx, Inc. | $285.40 | 14 |
| Amgen Inc. | $267.85 | 2 |
| Madrigal Pharmaceuticals | $218.28 | 16 |
| Abbvie Inc. | $179.81 | 11 |
What the 2025 payments were for
- Food and Beverage$2,190 · 95 payments
- Education$84.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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