Alexander Ngo, NP
NPI 1841862109ActiveIndividual· Nurse Practitioner· Orange, CA
Nurse Practitioner (NP) with Regents of the University of and 1 other group, practicing in Orange, California. 86 Medicare patients in 2024, $9,570 paid; nearly all of their 138 Part D prescriptions were generic (94%). Melinta Therapeutics, LLC reported $32.13 in payments in 2025, mostly food and beverage. Lists Providence Little Company of Mary Med Ctr Torrance and 1 other hospital as hospital affiliations.
Overview
| NPI | 1841862109 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | No |
| NPI issued | Jul 15, 2021 |
| Last updated in NPPES | Jan 18, 2024 |
| Certified by provider | Jan 18, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 95017546 | CA |
| Nurse Practitioner, Family | 363LF0000X | 95017546 | 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 - Nurse Practitioner (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 86 |
|---|---|
| Services billed | 108 across 16 procedure codes |
| Paid by Medicare | $9,570 |
Part D prescriptions in 2024
| Prescriptions (claims) | 138 · 145 30-day fills |
|---|---|
| Patients | 103 |
| Total drug cost | $2,694 |
| Generic share | 94% of claims |
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical groups
- Regents of the University ofOrange, CA · 129 clinicians
- Emergency Specialist Physicians Medical Associates, IncTorrance, CA · 42 clinicians
Hospital affiliations
- Providence Little Company of Mary Med Ctr TorranceTorrance, CA
- Uci Health-OrangeOrange, CA
Industry payments (Open Payments)
- 2025$32.13 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Melinta Therapeutics, LLC | $32.13 | 1 |
What the 2025 payments were for
- Food and Beverage$32.13 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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