Tuyet Ann Nguyen, MD
NPI 1578926622ActiveIndividual· Dermatology· Mission Viejo, CA
Dermatology (MD) in Mission Viejo, California, trained at Albert Einstein College of Medicine of Yeshiva University (class of 2016). 374 Medicare patients in 2024, $285,499 paid; nearly all of their 536 Part D prescriptions were generic (92%). Lilly USA, LLC was the largest of 18 companies reporting payments in 2025, $1,693 in all, mostly food and beverage.
Overview
| NPI | 1578926622 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Apr 5, 2016 |
| Last updated in NPPES | May 9, 2023 |
| Certified by provider | May 9, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | A151316 | 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 - Dermatology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 374 |
|---|---|
| Services billed | 2,199 across 64 procedure codes |
| Paid by Medicare | $285,499 |
Part D prescriptions in 2024
| Prescriptions (claims) | 536 · 619 30-day fills |
|---|---|
| Patients | 250 |
| Total drug cost | $102,807 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | Albert Einstein College of Medicine of Yeshiva University |
|---|---|
| Graduation year | 2016 |
| Medicare specialty | Dermatology |
| Secondary specialties | Micrographic Dermatologic Surgery (Mds) |
Medical group
- Providence Medical FoundationVictorville, CA · 1,466 clinicians
Industry payments (Open Payments)
- 2025$1,693 · 75 payments from 18 companies
- 2024$1,708 · 70 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $297.34 | 8 |
| Genzyme Corporation | $238.00 | 7 |
| Janssen Biotech, Inc. | $179.77 | 10 |
| Leo Pharma Inc. | $138.28 | 6 |
| Novartis Pharmaceuticals Corporation | $125.83 | 6 |
What the 2025 payments were for
- Food and Beverage$1,693 · 75 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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