Sierra Alexis Mazzarella, CRNP
NPI 1588431381ActiveIndividual· Nurse Practitioner, Family· West Chester, PA
Nurse Practitioner, Family (CRNP) with Pennsylvania Urgent Care Centers, PLLC, practicing in West Chester, Pennsylvania. 265 Medicare patients in 2024, $28,919 paid; nearly all of their 323 Part D prescriptions were generic (93%). Pfizer Inc. reported $18.64 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1588431381 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CRNP |
| Sole proprietor | No |
| NPI issued | Dec 11, 2023 |
| Last updated in NPPES | Dec 11, 2023 |
| Certified by provider | Dec 11, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | SP028771 | PA |
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 (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 265 |
|---|---|
| Services billed | 516 across 47 procedure codes |
| Paid by Medicare | $28,919 |
Part D prescriptions in 2024
| Prescriptions (claims) | 323 · 326 30-day fills |
|---|---|
| Patients | 242 |
| Total drug cost | $4,696 |
| Generic share | 93% of claims |
Education and affiliations
| Graduation year | 2023 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Pennsylvania Urgent Care Centers, PLLCLansdale, PA · 107 clinicians
Industry payments (Open Payments)
- 2025$18.64 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $18.64 | 1 |
What the 2025 payments were for
- Food and Beverage$18.64 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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