Alexandra Vasiliou, NP
NPI 1275007742ActiveIndividual· Nurse Practitioner· Pleasanton, CA
Nurse Practitioner (NP) with University Healthcare Alliance, practicing in Pleasanton, California. Their prescriptions cost Medicare Part D more than their services did: $430,716 for 6,378 claims, against $31,311 paid for services in 2024. Exact Sciences Corporation reported $108.79 in payments in 2025, mostly food and beverage. Lists Stanford Health Care and 1 other hospital as hospital affiliations.
Overview
| NPI | 1275007742 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | No |
| NPI issued | Jan 17, 2019 |
| Last updated in NPPES | Sep 29, 2026 |
| Certified by provider | Jun 11, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 95010808 | CA |
| Nurse Practitioner, Family | 363LF0000X | 95010808 | 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 - Nurse Practitioner (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 231 |
|---|---|
| Services billed | 479 across 25 procedure codes |
| Paid by Medicare | $31,311 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,378 · 15,558 30-day fills |
|---|---|
| Patients | 1,954 |
| Total drug cost | $430,716 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 2018 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- University Healthcare AlliancePleasanton, CA · 327 clinicians
Hospital affiliations
- Stanford Health CareStanford, CA
- Stanford Health Care Tri-ValleyPleasanton, CA
Industry payments (Open Payments)
- 2025$108.79 · 1 payment from 1 company
- 2024$123.72 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Exact Sciences Corporation | $108.79 | 1 |
What the 2025 payments were for
- Food and Beverage$108.79 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 18 nurse practitioners in Pleasanton · All nurse practitioners in California