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Nephrology

Paula Duran Sierra, MD

Works at hospitals in Round Rock, TX · Temple, TX · Waco, TX · Texas

Summary

Dr. Paula Duran Sierra, MD is a nephrologist at 1300 E Polk St, Baylor Scott and White Clinic Burnet, Burnet, TX 78611. Phone: (512) 715-6400. Accepts Medicare assignment. In 2024, Paula Duran Sierra had 244 Original Medicare patients and 768 services. NPI 1255623971. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Paula Duran 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 Paula Duran Sierra accept Medicare assignment?
Yes. Medicare's clinician data says Paula Duran 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.
How many Medicare patients does Paula Duran Sierra see?
In 2024, CMS data shows 244 Original Medicare patients and 768 services for Paula Duran Sierra. This counts Original Medicare only and measures volume, not quality.
What is Paula Duran Sierra's NPI number?
1255623971. 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 Paula Duran Sierra, 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 patients244
Services billed to Medicare768
Different services or procedures21
Participating Medicare providerYes
Average age of these patients71

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)171 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)120 services
  3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)101 services
  4. Insertion of needle into vein for collection of blood sample (36415)95 services
  5. Dialysis services, 4 or more physician visits per month (20 years or older) (90960)65 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%
  • Chronic kidney disease75%
  • Diabetes70%
  • Heart failure52%
  • Arthritis47%

Hospitals where Paula Duran Sierra works

Medicare's Facility Affiliation Data lists Paula Duran 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 Paula Duran Sierra is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 7; the Medicare profile lists all.

Group practices

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

  • Scott and White Clinic2,461 clinicians in the group

Specialties

Find other Nephrology doctors in Texas →

Other nephrologists in Burnet

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

All nephrologists in Burnet →

Other clinicians in Scott and White Clinic

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

Clinician information

CredentialMD
Graduation year2002 (24 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1255623971
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. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians