Ellen Corn Bitzer, PA
NPI 1083148811ActiveIndividual· Physician Assistant· Los Angeles, CA
Physician Assistant (PA) with One Medical Seniors Group Inc, practicing in Los Angeles, California. Mostly services rather than prescriptions: Medicare paid $1,494 for 12 patients in 2024, with only 22 Part D claims. Gilead Sciences, Inc. was the largest of 4 companies reporting payments in 2025, $150.90 in all, mostly food and beverage.
Overview
| NPI | 1083148811 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA |
| Sole proprietor | No |
| NPI issued | Apr 18, 2017 |
| Last updated in NPPES | Mar 17, 2025 |
| Certified by provider | Mar 17, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 53981 | 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 | 12 |
|---|---|
| Services billed | 29 across 9 procedure codes |
| Paid by Medicare | $1,494 |
Part D prescriptions in 2024
| Prescriptions (claims) | 22 · 46 30-day fills |
|---|---|
| Patients | 11 |
| Total drug cost | $1,318 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 2016 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- One Medical Seniors Group IncCulver City, CA · 54 clinicians
Industry payments (Open Payments)
- 2025$150.90 · 6 payments from 4 companies
- 2024$97.63 · 4 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Gilead Sciences, Inc. | $60.32 | 2 |
| Abbvie Inc. | $38.64 | 2 |
| Lilly USA, LLC | $28.30 | 1 |
| Viiv Healthcare Company | $23.64 | 1 |
What the 2025 payments were for
- Food and Beverage$150.90 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 951 physician assistants in Los Angeles · All physician assistants in California