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Internal Medicine

Miriam A. Paz Sierra, MD

Works at hospitals in Lubbock, TX · Texas

Summary

Dr. Miriam A. Paz Sierra, MD is an internal medicine doctor at 11011 Slide Rd, Lubbock, TX 79424. Phone: (806) 775-8200. Accepts Medicare assignment. NPI 1780378257. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 11011 Slide Rd, Lubbock, TX 79424 · Directions (1 more location)
  • Phone: (806) 775‑8200
  • Medicare: Accepts Medicare assignment
  • Hospital: University Medical Center
  • Group practice: Lubbock County Hospital District
  • Medical school: graduated 2012 (14 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Miriam A. Paz Sierra, 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 Miriam A. Paz Sierra accept Medicare assignment?
Yes. Medicare's clinician data says Miriam A. Paz Sierra 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 Miriam A. Paz Sierra's NPI number?
1780378257. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Miriam A. Paz Sierra works

Medicare's Facility Affiliation Data lists Miriam A. Paz Sierra at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Miriam A. Paz Sierra is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Miriam A. Paz Sierra as a member of this group (CMS data updated October 2, 2026).

  • Lubbock County Hospital District51 clinicians in the group

Specialties

Find other Internal Medicine doctors in Texas →

Other internal medicine doctors in Lubbock

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

All internal medicine doctors in Lubbock →

Other clinicians in Lubbock County Hospital District

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

Clinician information

CredentialMD
Graduation year2012 (14 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1780378257
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians