Sharon Margaret Paiz
NPI 1538846415ActiveIndividual· Physician Assistant· Montclair, CA
Physician Assistant with Health Service Alliance, practicing in Montclair, California. Their prescriptions cost Medicare Part D more than their services did: $175,814 for 2,281 claims, against $1,414 paid for services in 2024. Novo Nordisk Inc was the largest of 13 companies reporting payments in 2025, $794.28 in all, mostly food and beverage. Lists Casa Colina Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1538846415 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Jul 3, 2023 |
| Last updated in NPPES | May 29, 2024 |
| Certified by provider | May 29, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | PA63375 | CA |
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 (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 26 |
|---|---|
| Services billed | 46 across 13 procedure codes |
| Paid by Medicare | $1,414 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,281 · 4,373 30-day fills |
|---|---|
| Patients | 245 |
| Total drug cost | $175,814 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 2023 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Health Service AllianceClaremont, CA · 14 clinicians
Hospital affiliations
- Casa Colina HospitalPomona, CA
- Chino Valley Medical CenterChino, CA
- San Antonio Regional HospitalUpland, CA
Industry payments (Open Payments)
- 2025$794.28 · 39 payments from 13 companies
- 2024$711.53 · 33 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $257.93 | 10 |
| Amgen Inc. | $151.36 | 12 |
| Lilly USA, LLC | $97.98 | 4 |
| Organon LLC | $43.48 | 2 |
| Pfizer Inc. | $41.56 | 2 |
What the 2025 payments were for
- Food and Beverage$794.28 · 39 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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