Julina Christine Lewallen
NPI 1750987855ActiveIndividual· Physician Assistant· Rancho Cucamonga, CA
Physician Assistant with Health Service Alliance, practicing in Rancho Cucamonga, California. Their prescriptions cost Medicare Part D more than their services did: $132,536 for 987 claims, against $1,124 paid for services in 2024. Abbvie Inc. was the largest of 7 companies reporting payments in 2025, $529.20 in all, mostly food and beverage.
Overview
| NPI | 1750987855 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Dec 5, 2020 |
| Last updated in NPPES | Apr 15, 2021 |
| Certified by provider | Apr 14, 2021 |
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 (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 16 |
|---|---|
| Services billed | 44 across 12 procedure codes |
| Paid by Medicare | $1,124 |
Part D prescriptions in 2024
| Prescriptions (claims) | 987 · 2,021 30-day fills |
|---|---|
| Patients | 85 |
| Total drug cost | $132,536 |
| Generic share | 79% of claims |
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Health Service AllianceClaremont, CA · 14 clinicians
Industry payments (Open Payments)
- 2025$529.20 · 26 payments from 7 companies
- 2024$556.30 · 24 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $192.46 | 10 |
| Novartis Pharmaceuticals Corporation | $116.80 | 5 |
| Novo Nordisk Inc | $82.62 | 4 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $48.12 | 3 |
| Exact Sciences Corporation | $41.02 | 2 |
What the 2025 payments were for
- Food and Beverage$529.20 · 26 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 64 physician assistants in Rancho Cucamonga · All physician assistants in California