Nhanhau Ngo, M.D.
NPI 1336184316ActiveIndividual· Family Medicine· Garden Grove, CA
Family Medicine (M.D.) in Garden Grove, California, trained at Loma Linda University School of Medicine (class of 1995). Their prescriptions cost Medicare Part D more than their services did: $1,111,751 for 7,540 claims, against $168,495 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 5 companies reporting payments in 2025, $344.97 in all, mostly food and beverage.
Overview
| NPI | 1336184316 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jun 16, 2006 |
| Last updated in NPPES | Mar 27, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | A61105 | 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 - Family Practice (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 254 |
|---|---|
| Services billed | 2,652 across 22 procedure codes |
| Paid by Medicare | $168,495 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,540 · 17,158 30-day fills |
|---|---|
| Patients | 433 |
| Total drug cost | $1,111,751 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | Loma Linda University School of Medicine |
|---|---|
| Graduation year | 1995 |
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical groups
- Family Choice ACO IncWestminster, CA · 55 clinicians
- Nhanhau Ngo MD IncGarden Grove, CA · 2 clinicians
Hospital affiliation
- Memorialcare Orange Coast Medical CenterFountain Valley, CA
Industry payments (Open Payments)
- 2025$344.97 · 15 payments from 5 companies
- 2024$222.72 · 6 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $150.47 | 5 |
| Lilly USA, LLC | $75.54 | 4 |
| Amgen Inc. | $55.78 | 2 |
| Bayer Healthcare Pharmaceuticals Inc. | $46.06 | 3 |
| Glaxosmithkline, LLC. | $17.12 | 1 |
What the 2025 payments were for
- Food and Beverage$344.97 · 15 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 104 family medicine physicians in Garden Grove · All family medicine physicians in California