Leonard F. Liss, M.D.
NPI 1699842914ActiveIndividual· Internal Medicine· Visalia, CA
Internal Medicine (M.D.) in Visalia, California, trained at University of Wisconsin School of Medicine (class of 1982). Their prescriptions cost Medicare Part D more than their services did: $35,770 for 940 claims, against $12,408 paid for services in 2024.
Overview
| NPI | 1699842914 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Nov 30, 2006 |
| Last updated in NPPES | Dec 7, 2023 |
| Certified by provider | Dec 7, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | G74715 | CA |
| Internal Medicine | 207R00000X | 25985 | WI |
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 | 27 |
|---|---|
| Services billed | 222 across 4 procedure codes |
| Paid by Medicare | $12,408 |
Part D prescriptions in 2024
| Prescriptions (claims) | 940 · 1,041 30-day fills |
|---|---|
| Patients | 41 |
| Total drug cost | $35,770 |
| Generic share | 97% of claims |
Education and affiliations
| Medical school | University of Wisconsin School of Medicine |
|---|---|
| Graduation year | 1982 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Addiction Medicine |
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other internal medicine physicians in Visalia
- 1013321496
- 1043642440
- 1154435428
- 1174135214
- 1184895989
- 1194788158
- 1215248307
- 1245766351
- 1316967110
- 1326044181
- 1326089053
- 1447522172
All 70 internal medicine physicians in Visalia · All internal medicine physicians in California