Liza Chen, PA-C
NPI 1043294275ActiveIndividual· Physician Assistant· Bakersfield, CA
Physician Assistant (PA-C) with Ravi Patel M D Inc, practicing in Bakersfield, California. Their prescriptions cost Medicare Part D more than their services did: $279,756 for 576 claims, against $124,706 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 38 companies reporting payments in 2025, $5,490 in all, mostly food and beverage.
Overview
| NPI | 1043294275 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Dec 1, 2005 |
| Last updated in NPPES | Dec 3, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | PA18136 | 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 | 470 |
|---|---|
| Services billed | 1,887 across 8 procedure codes |
| Paid by Medicare | $124,706 |
Part D prescriptions in 2024
| Prescriptions (claims) | 576 · 704 30-day fills |
|---|---|
| Patients | 121 |
| Total drug cost | $279,756 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 2005 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- Ravi Patel M D IncBakersfield, CA · 18 clinicians
Other facilities
- Compassionate Care Home Health Agency, LLCHome health agency · Fresno, CA
Industry payments (Open Payments)
- 2025$5,490 · 263 payments from 38 companies
- 2024$3,860 · 180 payments from 35 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $640.21 | 36 |
| Janssen Biotech, Inc. | $598.87 | 24 |
| Sobi, Inc | $444.08 | 14 |
| Astellas Pharma US Inc | $338.97 | 18 |
| Daiichi Sankyo Inc. | $328.70 | 22 |
What the 2025 payments were for
- Food and Beverage$5,212 · 260 payments
- Education$277.89 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 167 physician assistants in Bakersfield · All physician assistants in California