Vivian T. Nguyen, MD
NPI 1518464783ActiveIndividual· Surgery· Show Low, AZ
Surgery (MD) in Show Low, Arizona, trained at University of Colorado School of Medicine, Aurora (class of 2018). Mostly services rather than prescriptions: Medicare paid $6,538 for 33 patients in 2024, with only 40 Part D claims. Biogen, Inc. was the largest of 4 companies reporting payments in 2025, $124.00 in all, mostly food and beverage.
Overview
| NPI | 1518464783 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 12, 2018 |
| Last updated in NPPES | Sep 12, 2024 |
| Certified by provider | Sep 12, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | 71978 | AZ |
| Student in an Organized Health Care Education/Training Program | 390200000X | TL.0006978 | CO |
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 - General Surgery (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 33 |
|---|---|
| Services billed | 59 across 16 procedure codes |
| Paid by Medicare | $6,538 |
Part D prescriptions in 2024
| Prescriptions (claims) | 40 · 42 30-day fills |
|---|---|
| Patients | 34 |
| Total drug cost | $432.41 |
| Generic share | 65% of claims |
Education and affiliations
| Medical school | University of Colorado School of Medicine, Aurora |
|---|---|
| Graduation year | 2018 |
| Medicare specialty | General Surgery |
Medical group
- Summit Healthcare Medical AssociatesShow Low, AZ · 75 clinicians
Hospital affiliation
- Summit Healthcare Regional Medical CenterShow Low, AZ
Industry payments (Open Payments)
- 2025$124.00 · 5 payments from 4 companies
- 2024$167.03 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Biogen, Inc. | $53.90 | 2 |
| Sumitomo Pharma America, Inc. | $27.83 | 1 |
| Shield Therapeutics Inc | $25.84 | 1 |
| Viiv Healthcare Company | $16.43 | 1 |
What the 2025 payments were for
- Food and Beverage$124.00 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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