Kellyann Mazich
NPI 1649905704ActiveIndividual· Physician Assistant· Oceanside, NY
Physician Assistant with South Nassau Physician Group PC, practicing in Oceanside, New York. Their prescriptions cost Medicare Part D more than their services did: $35,820 for 412 claims, against $2,268 paid for services in 2024. Integra Lifesciences Corporation was the largest of 3 companies reporting payments in 2024, $255.50 in all, mostly food and beverage. Lists Mount Sinai South Nassau as a hospital affiliation.
Overview
| NPI | 1649905704 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Jul 21, 2022 |
| Last updated in NPPES | Jul 6, 2026 |
| Certified by provider | Jul 6, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | — | — |
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 - Physician Assistant (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 19 |
|---|---|
| Services billed | 19 across 3 procedure codes |
| Paid by Medicare | $2,268 |
Part D prescriptions in 2024
| Prescriptions (claims) | 412 · 778 30-day fills |
|---|---|
| Patients | 198 |
| Total drug cost | $35,820 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 2022 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- South Nassau Physician Group PCOceanside, NY · 19 clinicians
Hospital affiliation
- Mount Sinai South NassauOceanside, NY
Industry payments (Open Payments)
- 2024$255.50 · 7 payments from 3 companies
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Integra Lifesciences Corporation | $131.19 | 1 |
| Glaxosmithkline, LLC. | $100.52 | 5 |
| Abbvie Inc. | $23.79 | 1 |
What the 2024 payments were for
- Food and Beverage$255.50 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 59 physician assistants in Oceanside · All physician assistants in New York