Alexandra Athena Vatzakas, AGACNP-BC
NPI 1417316472ActiveIndividual· Nurse Practitioner, Acute Care· Marietta, GA
Nurse Practitioner, Acute Care (AGACNP-BC) with Wellstar Medical Group LLC, practicing in Marietta, Georgia. Their prescriptions cost Medicare Part D more than their services did: $18,528 for 66 claims, against $3,481 paid for services in 2024. Glaxosmithkline, LLC. was the largest of 10 companies reporting payments in 2025, $551.69 in all, mostly food and beverage. Lists Wellstar Cobb Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1417316472 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | AGACNP-BC |
| Sole proprietor | No |
| NPI issued | Feb 18, 2016 |
| Last updated in NPPES | Aug 21, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Acute Care Primary | 363LA2100X | 241190 | GA |
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 (GA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 45 |
|---|---|
| Services billed | 53 across 11 procedure codes |
| Paid by Medicare | $3,481 |
Part D prescriptions in 2024
| Prescriptions (claims) | 66 · 73 30-day fills |
|---|---|
| Patients | 34 |
| Total drug cost | $18,528 |
| Generic share | 44% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Wellstar Medical Group LLCMarietta, GA · 3,093 clinicians
Hospital affiliations
- Wellstar Cobb Medical CenterAustell, GA
- Wellstar Kennestone Regional Medical CenterMarietta, GA
Industry payments (Open Payments)
- 2025$551.69 · 25 payments from 10 companies
- 2024$153.19 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $157.58 | 10 |
| Regeneron Healthcare Solutions, Inc. | $110.94 | 4 |
| Merck Sharp & Dohme LLC | $81.67 | 3 |
| 3b Medical, Inc. | $60.57 | 2 |
| Genzyme Corporation | $37.95 | 1 |
What the 2025 payments were for
- Food and Beverage$551.69 · 25 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 78 acute care nurse practitioners in Marietta · All acute care nurse practitioners in Georgia