Andrew C. Nguyen, DO
NPI 1629140959ActiveIndividual· Emergency Medicine· Bellflower, CA
Emergency Medicine (DO) in Bellflower, California, trained at Des Moines University of Osteopathic Medicine and Health Sciences (class of 1995). Their prescriptions cost Medicare Part D more than their services did: $12,014 for 468 claims, against $923.44 paid for services in 2024. Sumitomo Pharma America, Inc. reported $21.75 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1629140959 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Nov 14, 2006 |
| Last updated in NPPES | Dec 3, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 20A7659 | CA |
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 - Emergency Medicine (CA); Practitioner - Emergency Medicine (HI); Practitioner - Emergency Medicine (OR); Practitioner - Emergency Medicine (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 12 |
|---|---|
| Services billed | 12 across 3 procedure codes |
| Paid by Medicare | $923.44 |
Part D prescriptions in 2024
| Prescriptions (claims) | 468 · 546 30-day fills |
|---|---|
| Patients | 401 |
| Total drug cost | $12,014 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | Des Moines University of Osteopathic Medicine and Health Sciences |
|---|---|
| Graduation year | 1995 |
| Medicare specialty | Emergency Medicine |
| Telehealth | Offers telehealth |
Medical group
- Southern California Permanente Medical GroupRedlands, CA · 11,293 clinicians
Hospital affiliation
- Kaiser Foundation Hospital - DowneyDowney, CA
Industry payments (Open Payments)
- 2025$21.75 · 1 payment from 1 company
- 2024$20.65 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sumitomo Pharma America, Inc. | $21.75 | 1 |
What the 2025 payments were for
- Food and Beverage$21.75 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 39 emergency medicine physicians in Bellflower · All emergency medicine physicians in California