Tien Huynh
NPI 1659077568ActiveIndividual· Physician Assistant· Arlington, TX
Physician Assistant with Dana Huyen My Dinh, MD, PA, practicing in Arlington, Texas. Their prescriptions cost Medicare Part D more than their services did: $334,838 for 3,497 claims, against $3,306 paid for services in 2024. Bayer Healthcare Pharmaceuticals Inc. was the largest of 8 companies reporting payments in 2025, $410.85 in all, mostly food and beverage.
Overview
| NPI | 1659077568 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Feb 2, 2023 |
| Last updated in NPPES | Aug 21, 2025 |
| Certified by provider | Aug 21, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | PA16375 | TX |
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 (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 24 |
|---|---|
| Services billed | 68 across 13 procedure codes |
| Paid by Medicare | $3,306 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,497 · 7,920 30-day fills |
|---|---|
| Patients | 431 |
| Total drug cost | $334,838 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 2022 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Dana Huyen My Dinh, MD, PAArlington, TX · 3 clinicians
Industry payments (Open Payments)
- 2025$410.85 · 12 payments from 8 companies
- 2024$411.37 · 9 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Bayer Healthcare Pharmaceuticals Inc. | $142.08 | 2 |
| Merck Sharp & Dohme LLC | $116.29 | 1 |
| Kowa Pharmaceuticals America, Inc. | $62.87 | 4 |
| Exact Sciences Corporation | $20.79 | 1 |
| Amgen Inc. | $19.79 | 1 |
What the 2025 payments were for
- Food and Beverage$410.85 · 12 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 116 physician assistants in Arlington · All physician assistants in Texas