Quick answers
- Does Leonidas S. Andres accept Medicare assignment?
- Yes. Medicare's clinician data says Leonidas S. Andres 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.
- What is Leonidas S. Andres's NPI number?
- 1699773226. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Leonidas S. Andres works
Medicare's Facility Affiliation Data lists Leonidas S. Andres at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Riceland Medical CenterWinnie, TX · Critical Access Hospital · CCN 451328
Practice locations
Addresses where Leonidas S. Andres is enrolled with Medicare (CMS data updated October 2, 2026).
- 538 BroadwayWinnie, TX 77665 (409) 296‑6000
Group practices
Medicare enrollment lists Leonidas S. Andres as a member of this group (CMS data updated October 2, 2026).
- Winnie Community Hospital LLC24 clinicians in the group
Specialties
- General Surgeryprimary
- General Practicealso
Other general surgeons in Texas
Clinicians with the same Medicare primary specialty in Texas — not a recommendation.
Other clinicians in Winnie Community Hospital LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1973 (53 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1699773226 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- 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