Jeffrey Scott Kopstein, DO
NPI 1487041158ActiveIndividual· Internal Medicine· Oxnard, CA
Internal Medicine (DO) in Oxnard, California, trained at Arizona College of Osteopathic Medicine Mid Western University (class of 2015). In 2024 Medicare paid $126,803 for 282 patients, and Part D covered 227 of their prescriptions, 87% of them generic. W. L. Gore & Associates, Inc. reported $20.60 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1487041158 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | Yes |
| NPI issued | Apr 21, 2015 |
| Last updated in NPPES | Sep 12, 2024 |
| Certified by provider | Sep 12, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 20A15232 | 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 | 282 |
|---|---|
| Services billed | 3,041 across 14 procedure codes |
| Paid by Medicare | $126,803 |
Part D prescriptions in 2024
| Prescriptions (claims) | 227 · 244 30-day fills |
|---|---|
| Patients | 89 |
| Total drug cost | $16,627 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | Arizona College of Osteopathic Medicine Mid Western University |
|---|---|
| Graduation year | 2015 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Inpatient Specialists of California PCOakdale, CA · 385 clinicians
Hospital affiliations
- Community Memorial Hospital - VenturaVentura, CA
- St Johns Regional Medical CenterOxnard, CA
Industry payments (Open Payments)
- 2025$20.60 · 1 payment from 1 company
- 2024$261.33 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| W. L. Gore & Associates, Inc. | $20.60 | 1 |
What the 2025 payments were for
- Food and Beverage$20.60 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 50 internal medicine physicians in Oxnard · All internal medicine physicians in California