Emily Sim, PA-C
NPI 1801538699ActiveIndividual· Physician Assistant· Oxnard, CA
Physician Assistant (PA-C) in Oxnard, California, trained at University of Southern California Keck School of Medicine (class of 2022). 256 Medicare patients in 2024, $62,784 paid; all of their 290 Part D prescriptions were generic. Arthrex, Inc. was the largest of 3 companies reporting payments in 2025, $1,245 in all, mostly travel and lodging.
Overview
| NPI | 1801538699 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Apr 12, 2022 |
| Last updated in NPPES | Jan 20, 2026 |
| Certified by provider | Jan 20, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 61271 | 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 | 256 |
|---|---|
| Services billed | 5,594 across 64 procedure codes |
| Paid by Medicare | $62,784 |
Part D prescriptions in 2024
| Prescriptions (claims) | 290 · 295 30-day fills |
|---|---|
| Patients | 96 |
| Total drug cost | $4,430 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | University of Southern California Keck School of Medicine |
|---|---|
| Graduation year | 2022 |
| Medicare specialty | Physician Assistant |
Medical group
- Link In-Patient Services PCOxnard, CA · 12 clinicians
Hospital affiliation
- St Johns Regional Medical CenterOxnard, CA
Industry payments (Open Payments)
- 2025$1,245 · 16 payments from 3 companies
- 2024$47.36 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Arthrex, Inc. | $841.58 | 14 |
| Cornerstone Medical Associates, Inc. | $383.96 | 1 |
| Bioventus LLC | $19.72 | 1 |
What the 2025 payments were for
- Travel and Lodging$867.80 · 3 payments
- Food and Beverage$377.46 · 13 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 67 physician assistants in Oxnard · All physician assistants in California