Lena B. Nguyen, DO
NPI 1467741728ActiveIndividual· Obstetrics & Gynecology· Fountain Valley, CA
Obstetrics & Gynecology (DO) with Memorialcare Medical Foundation, practicing in Fountain Valley, California. In 2024 Medicare paid $11,725 for 65 patients, and Part D covered 120 of their prescriptions, 88% of them generic. Mayne Pharma Commercial LLC was the largest of 11 companies reporting payments in 2025, $955.85 in all, mostly food and beverage. Lists Hoag Memorial Hospital Presbyterian and 1 other hospital as hospital affiliations.
Overview
| NPI | 1467741728 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Apr 6, 2011 |
| Last updated in NPPES | Apr 30, 2025 |
| Certified by provider | Apr 30, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | 20A13833 | 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 - Obstetrics/Gynecology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 65 |
|---|---|
| Services billed | 173 across 27 procedure codes |
| Paid by Medicare | $11,725 |
Part D prescriptions in 2024
| Prescriptions (claims) | 120 · 224 30-day fills |
|---|---|
| Patients | 41 |
| Total drug cost | $7,496 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Obstetrics/Gynecology |
| Telehealth | Offers telehealth |
Medical group
- Memorialcare Medical FoundationLong Beach, CA · 566 clinicians
Hospital affiliations
- Hoag Memorial Hospital PresbyterianNewport Beach, CA
- Memorialcare Orange Coast Medical CenterFountain Valley, CA
Industry payments (Open Payments)
- 2025$955.85 · 22 payments from 11 companies
- 2024$524.52 · 20 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Mayne Pharma Commercial LLC | $521.37 | 8 |
| Sumitomo Pharma America, Inc. | $158.03 | 2 |
| Millicent US Inc | $65.42 | 3 |
| Biogen, Inc. | $54.31 | 2 |
| Hologic Sales and Service, LLC | $28.19 | 1 |
What the 2025 payments were for
- Food and Beverage$955.85 · 22 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 41 OB-GYNs in Fountain Valley · All OB-GYNs in California