Alexandra Vasiliou, NP
NPI 1275007742 · Nurse Practitioner · Pleasanton, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alexandra Vasiliou, NP is a Nurse Practitioner provider in Pleasanton, CA (NPI 1275007742).
Provider details
- NPI number
- 1275007742
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 95010808 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
7 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
295 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 132 | $93 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 103 | $131 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 18 | $183 |
| Administration of Influenza Virus VaccineG0008 | 17 | $38 |
| Automated Urinalysis Test81003 | 14 | $2 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 11 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 98 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 538 | 297 |
| Levothyroxine Sodium | 361 | 190 |
| Amlodipine Besylate | 359 | 187 |
| Losartan Potassium | 258 | 141 |
| Lisinopril | 230 | 129 |
| Rosuvastatin Calcium | 177 | 93 |
| Metoprolol Succinate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$124 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (3)
- 4111 BroadwayOakland, CA 94611-5111Phone: (510) 451-4747
- 1220 Rossmoor PkwyWalnut Creek, CA 94595-2501Phone: (925) 939-9000
- 500 Jefferson Blvd Ste B180West Sacramento, CA 95605-2394Phone: (916) 403-2900
Registry dates
- Enumerated
- 2019-01-17
- Last updated
- 2025-06-11
- Certified
- 2025-06-11
Frequently asked questions
- What is Alexandra Vasiliou's NPI number?
- Alexandra Vasiliou's National Provider Identifier (NPI) is 1275007742, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexandra Vasiliou's specialty?
- Alexandra Vasiliou is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Alexandra Vasiliou located?
- Alexandra Vasiliou's practice location on file with NPPES is 5568 Gibraltar Dr, Pleasanton, CA 94588-8544.
- What is Alexandra Vasiliou's phone number?
- The practice phone number listed in the NPPES registry for Alexandra Vasiliou is (925) 534-6500.
- Does Alexandra Vasiliou accept Medicare?
- Alexandra Vasiliou is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alexandra Vasiliou's NPI active?
- Yes — Alexandra Vasiliou's NPI (1275007742) is active in the NPPES registry as of the last update on 2025-06-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.