Stephanie Guize, RPAC
NPI 1104933886ActiveIndividual· Physician Assistant· West Amherst, NY
Physician Assistant (RPAC) with Highgate Medical Group PC, practicing in West Amherst, New York. Their prescriptions cost Medicare Part D more than their services did: $457,689 for 4,295 claims, against $10,257 paid for services in 2024. Pfizer Inc. was the largest of 17 companies reporting payments in 2025, $1,129 in all, mostly food and beverage. Lists Kaleida Health as a hospital affiliation.
Overview
| NPI | 1104933886 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | RPAC |
| Sole proprietor | No |
| NPI issued | Aug 25, 2006 |
| Last updated in NPPES | Dec 13, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 008773-1 | NY |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 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 | 71 |
|---|---|
| Services billed | 190 across 29 procedure codes |
| Paid by Medicare | $10,257 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,295 · 9,273 30-day fills |
|---|---|
| Patients | 728 |
| Total drug cost | $457,689 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 2002 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Highgate Medical Group PCWilliamsville, NY · 57 clinicians
Hospital affiliation
- Kaleida HealthBuffalo, NY
Industry payments (Open Payments)
- 2025$1,129 · 67 payments from 17 companies
- 2024$1,839 · 127 payments from 23 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $199.94 | 14 |
| Novo Nordisk Inc | $189.02 | 11 |
| Lilly USA, LLC | $114.83 | 10 |
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $97.17 | 4 |
| Glaxosmithkline, LLC. | $93.84 | 6 |
What the 2025 payments were for
- Food and Beverage$1,129 · 67 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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