Robert Alexander Fielding, PA
NPI 1477152353ActiveIndividual· Physician Assistant· Simi Valley, CA
Physician Assistant (PA) with Community Memorial Health System, practicing in Simi Valley, California. Their prescriptions cost Medicare Part D more than their services did: $436,838 for 2,776 claims, against $14,537 paid for services in 2024. Novo Nordisk Inc was the largest of 16 companies reporting payments in 2025, $1,351 in all, mostly food and beverage. Lists Community Memorial Hospital - Ventura as a hospital affiliation.
Overview
| NPI | 1477152353 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA |
| Sole proprietor | No |
| NPI issued | Oct 21, 2020 |
| Last updated in NPPES | Dec 8, 2020 |
| Certified by provider | Dec 7, 2020 |
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 | 120 |
|---|---|
| Services billed | 288 across 21 procedure codes |
| Paid by Medicare | $14,537 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,776 · 5,319 30-day fills |
|---|---|
| Patients | 352 |
| Total drug cost | $436,838 |
| Generic share | 81% of claims |
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- Community Memorial Health SystemOxnard, CA · 185 clinicians
Hospital affiliation
- Community Memorial Hospital - VenturaVentura, CA
Industry payments (Open Payments)
- 2025$1,351 · 74 payments from 16 companies
- 2024$1,362 · 69 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $295.41 | 15 |
| Astrazeneca Pharmaceuticals LP | $174.31 | 11 |
| Lilly USA, LLC | $169.16 | 8 |
| Abbvie Inc. | $159.94 | 9 |
| Amgen Inc. | $137.59 | 10 |
What the 2025 payments were for
- Food and Beverage$1,351 · 74 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 36 physician assistants in Simi Valley · All physician assistants in California