Kristine-Gem D. Estrella, PA-C
NPI 1659961738ActiveIndividual· Physician Assistant, Medical· Henderson, NV
Physician Assistant, Medical (PA-C) with J Robert West MD Inc and 1 other group, practicing in Henderson, Nevada. Their prescriptions cost Medicare Part D more than their services did: $288,546 for 540 claims, against $74,253 paid for services in 2024. Ucb, Inc. was the largest of 10 companies reporting payments in 2025, $1,400 in all, mostly food and beverage.
Overview
| NPI | 1659961738 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Jan 21, 2021 |
| Last updated in NPPES | May 12, 2026 |
| Certified by provider | May 12, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Medical Primary | 363AM0700X | — | — |
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 (NV) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 287 |
|---|---|
| Services billed | 2,019 across 40 procedure codes |
| Paid by Medicare | $74,253 |
Part D prescriptions in 2024
| Prescriptions (claims) | 540 · 564 30-day fills |
|---|---|
| Patients | 220 |
| Total drug cost | $288,546 |
| Generic share | 94% of claims |
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical groups
- J Robert West MD IncLas Vegas, NV · 138 clinicians
- Daniel Taheri MD PCLas Vegas, NV · 15 clinicians
Industry payments (Open Payments)
- 2025$1,400 · 35 payments from 10 companies
- 2024$2,210 · 62 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ucb, Inc. | $461.03 | 6 |
| Abbvie Inc. | $322.32 | 16 |
| Genzyme Corporation | $160.26 | 2 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $125.00 | 1 |
| Organon LLC | $97.79 | 2 |
What the 2025 payments were for
- Food and Beverage$1,315 · 32 payments
- Education$85.29 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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