Ethan T. Nguyen, MD
NPI 1568475614ActiveIndividual· Internal Medicine· Vista, CA
Internal Medicine (MD) with Beaver Medical Group P C, practicing in Vista, California. Their prescriptions cost Medicare Part D more than their services did: $586,487 for 7,086 claims, against $51,730 paid for services in 2024. Abbvie Inc. was the largest of 2 companies reporting payments in 2025, $150.84 in all, mostly food and beverage. Lists Tri-City Medical Center as a hospital affiliation.
Overview
| NPI | 1568475614 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 13, 2006 |
| Last updated in NPPES | Nov 24, 2025 |
| Certified by provider | Nov 24, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | C167516 | CA |
| Internal Medicine | 207R00000X | 043290 | CT |
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 - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 183 |
|---|---|
| Services billed | 1,259 across 23 procedure codes |
| Paid by Medicare | $51,730 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,086 · 17,065 30-day fills |
|---|---|
| Patients | 600 |
| Total drug cost | $586,487 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 2001 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Beaver Medical Group P CRedlands, CA · 247 clinicians
Hospital affiliation
- Tri-City Medical CenterOceanside, CA
Industry payments (Open Payments)
- 2025$150.84 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $123.61 | 1 |
| Regeneron Healthcare Solutions, Inc. | $27.23 | 1 |
What the 2025 payments were for
- Food and Beverage$150.84 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 57 internal medicine physicians in Vista · All internal medicine physicians in California