Benjamin Tetsu Lish, M.D.
NPI 1417901067ActiveIndividual· Family Medicine· Ventura, CA
Family Medicine (M.D.) with Community Memorial Health System, practicing in Ventura, California. Their prescriptions cost Medicare Part D more than their services did: $442,770 for 7,086 claims, against $61,844 paid for services in 2024. Averitas Pharma Inc. was the largest of 2 companies reporting payments in 2024, $83.35 in all, mostly food and beverage. Lists Community Memorial Hospital - Ventura as a hospital affiliation.
Overview
| NPI | 1417901067 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 19, 2006 |
| Last updated in NPPES | Dec 26, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | A67012 | 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 - Family Practice (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 183 |
|---|---|
| Services billed | 1,472 across 20 procedure codes |
| Paid by Medicare | $61,844 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,086 · 11,885 30-day fills |
|---|---|
| Patients | 357 |
| Total drug cost | $442,770 |
| Generic share | 92% of claims |
Education and affiliations
| Graduation year | 1996 |
|---|---|
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Community Memorial Health SystemOxnard, CA · 185 clinicians
Hospital affiliation
- Community Memorial Hospital - VenturaVentura, CA
Other facilities
- Assisted Home CareHome health agency · Ventura, CA
- Livingston Memorial Visiting Nurse AssociationHome health agency · Ventura, CA
- Mission Home Health of Ventura, LLCHome health agency · Oxnard, CA
Industry payments (Open Payments)
- 2024$83.35 · 2 payments from 2 companies
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Averitas Pharma Inc. | $65.96 | 1 |
| Glaxosmithkline, LLC. | $17.39 | 1 |
What the 2024 payments were for
- Food and Beverage$83.35 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 261 family medicine physicians in Ventura · All family medicine physicians in California