Joe Thanh Nguyen, M.D.
NPI 1740361187ActiveIndividual· Internal Medicine· Mission Viejo, CA
Internal Medicine (M.D.) in Mission Viejo, California, trained at Loma Linda University School of Medicine (class of 1993). Their prescriptions cost Medicare Part D more than their services did: $515,300 for 8,652 claims, against $185,308 paid for services in 2024. Medtronic, Inc. was the largest of 3 companies reporting payments in 2025, $60.76 in all, mostly food and beverage.
Overview
| NPI | 1740361187 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Oct 18, 2006 |
| Last updated in NPPES | Nov 9, 2021 |
| Certified by provider | Nov 9, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | G81215 | 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 | 579 |
|---|---|
| Services billed | 3,302 across 67 procedure codes |
| Paid by Medicare | $185,308 |
Part D prescriptions in 2024
| Prescriptions (claims) | 8,652 · 19,774 30-day fills |
|---|---|
| Patients | 707 |
| Total drug cost | $515,300 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | Loma Linda University School of Medicine |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Providence Medical FoundationVictorville, CA · 1,466 clinicians
Hospital affiliations
- Hoag Memorial Hospital PresbyterianNewport Beach, CA
- Memorialcare Saddleback Medical CenterLaguna Hills, CA
- Providence Mission HospitalMission Viejo, CA
Other facilities
- Care Plus Home HealthHome health agency · Laguna Hills, CA
- Hoag Home HealthHome health agency · Newport Beach, CA
- Home Health Plus Services, IncHome health agency · Arcadia, CA
- Providence at Home With Compassus Home Health Orange CountyHome health agency · Anaheim, CA
- Providence at Home With Compassus Home Health, Orange County SouthHome health agency · Irvine, CA
Industry payments (Open Payments)
- 2025$60.76 · 3 payments from 3 companies
- 2024$18.64 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $26.94 | 1 |
| Pfizer Inc. | $18.72 | 1 |
| Amgen Inc. | $15.10 | 1 |
What the 2025 payments were for
- Food and Beverage$60.76 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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