Jason Robert Jeffery, M.D.
NPI 1427293836ActiveIndividual· Internal Medicine· Sonora, CA
Internal Medicine (M.D.) in Sonora, California, trained at Loma Linda University School of Medicine (class of 2007). Their prescriptions cost Medicare Part D more than their services did: $817,582 for 9,444 claims, against $167,599 paid for services in 2024.
Overview
| NPI | 1427293836 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Dec 14, 2008 |
| Last updated in NPPES | Jul 23, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A106462 | 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 - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 556 |
|---|---|
| Services billed | 3,359 across 23 procedure codes |
| Paid by Medicare | $167,599 |
Part D prescriptions in 2024
| Prescriptions (claims) | 9,444 · 21,234 30-day fills |
|---|---|
| Patients | 615 |
| Total drug cost | $817,582 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | Loma Linda University School of Medicine |
|---|---|
| Graduation year | 2007 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Sonora Community HospitalSonora, CA · 133 clinicians
Hospital affiliations
- Adventist Health SonoraSonora, CA
- Doctors Medical CenterModesto, CA
- Mark Twain Medical CenterSan Andreas, CA
- Stanford Health CareStanford, CA
Other facilities
- Adventist Health Home Care ServicesHome health agency · Sonora, CA
- Atta Home HealthcareHome health agency · Modesto, CA
- Careone Home Health and Hospice, IncHome health agency · Salida, CA
- Adventist Health Home Care ServicesHospice · Sonora, CA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 26 internal medicine physicians in Sonora · All internal medicine physicians in California