John J. Willis, PA-C
NPI 1831149194ActiveIndividual· Physician Assistant, Medical· Yuba City, CA
Physician Assistant, Medical (PA-C) with Jasbir S Kang MD and Sanjiv Midha MD A Medical Corporation, practicing in Yuba City, California. Part D covered 948 prescriptions written in 2024, 85% of them generic. Abbvie Inc. was the largest of 15 companies reporting payments in 2025, $883.41 in all, mostly food and beverage. Lists Adventist Health and Rideout and 1 other hospital as hospital affiliations.
Overview
| NPI | 1831149194 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | May 10, 2006 |
| Last updated in NPPES | Jul 13, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Medical Primary | 363AM0700X | PA13636 | 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) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 948 · 1,516 30-day fills |
|---|---|
| Patients | 104 |
| Total drug cost | $68,160 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 1977 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- Jasbir S Kang MD and Sanjiv Midha MD A Medical CorporationMarysville, CA · 5 clinicians
Hospital affiliations
- Adventist Health and RideoutMarysville, CA
- Oroville HospitalOroville, CA
Industry payments (Open Payments)
- 2025$883.41 · 60 payments from 15 companies
- 2024$3,681 · 181 payments from 31 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $239.82 | 19 |
| Zynex Medical, Inc. | $212.73 | 23 |
| Novo Nordisk Inc | $68.80 | 3 |
| Exact Sciences Corporation | $55.72 | 2 |
| Antares Pharma, Inc. | $43.54 | 2 |
What the 2025 payments were for
- Food and Beverage$851.14 · 59 payments
- Education$32.27 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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