Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Internal Medicine

Sara M. Lopez-Llado, MD

Sees patients in San Antonio, TX · Texas

Summary

Dr. Sara M. Lopez-Llado, MD is an internal medicine doctor at 4330 Medical Dr, Suite 500, San Antonio, TX 78229. Phone: (210) 558-0122. Accepts Medicare assignment. NPI 1184953358. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 4330 Medical Dr, Suite 500, San Antonio, TX 78229 · Directions
  • Phone: (210) 558‑0122
  • Medicare: Accepts Medicare assignment
  • Group practice: Wellmed Networks, Inc.
  • Medical school: graduated 2009 (17 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Sara M. Lopez-Llado, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Sara M. Lopez-Llado accept Medicare assignment?
Yes. Medicare's clinician data says Sara M. Lopez-Llado 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 Sara M. Lopez-Llado's NPI number?
1184953358. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Sara M. Lopez-Llado is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Sara M. Lopez-Llado as a member of this group (CMS data updated October 2, 2026).

  • Wellmed Networks, Inc.112 clinicians in the group

Specialties

Find other Internal Medicine doctors in Texas →

Other internal medicine doctors in San Antonio

Clinicians with the same Medicare primary specialty in San Antonio, TX — not a recommendation.

All internal medicine doctors in San Antonio →

Other clinicians in Wellmed Networks, Inc.

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Graduation year2009 (17 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1184953358
CorrectionsReport 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

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians