Quick answers
- Does Leonard F. Liss accept Medicare assignment?
- Yes. Medicare's clinician data says Leonard F. Liss accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Leonard F. Liss see?
- In 2024, CMS data shows 27 Original Medicare patients and 222 services for Leonard F. Liss. This counts Original Medicare only and measures volume, not quality.
- What is Leonard F. Liss's NPI number?
- 1699842914. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Leonard F. Liss, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 27 |
|---|---|
| Services billed to Medicare | 222 |
| Different services or procedures | 4 |
| Participating Medicare provider | Yes |
| Average age of these patients | 67 |
Most frequent services
- Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes (99348)129 services
- Telephone medical discussion with physician, 11-20 minutes (99442)91 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis56%
- Depression52%
- Anxiety44%
- Diabetes41%
Practice locations
Addresses where Leonard F. Liss is enrolled with Medicare (CMS data updated October 2, 2026).
- 3046 S Virmargo CtVisalia, CA 93292 (559) 754‑2556
Specialties
- Internal Medicineprimary
- Addiction Medicinealso
Other internal medicine doctors in Visalia
Clinicians with the same Medicare primary specialty in Visalia, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Wisconsin School Of Medicine |
| Graduation year | 1982 (44 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1699842914 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians