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Anesthesiology

Sara R. Guzman-Reyes, MD

Works at hospitals in Houston, TX · Texas

Summary

Dr. Sara R. Guzman-Reyes, MD is an anesthesiologist at 5656 Kelley St, Houston, TX 77026. Phone: (713) 566-5656. Accepts Medicare assignment. In 2024, Sara R. Guzman-Reyes had 49 Original Medicare patients and 74 services. NPI 1679765408. 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.

  • Specialty: Anesthesiologist (Medicare lists Anesthesiology)
  • Address: 5656 Kelley St, Houston, TX 77026 · Directions (5 more locations)
  • Phone: (713) 566‑5656
  • Medicare: Accepts Medicare assignment
  • Hospital: Memorial Hermann - Texas Medical Center
  • Group practice: UT Physicians
  • Medical school: graduated 2000 (26 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Sara R. Guzman-Reyes, 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 R. Guzman-Reyes accept Medicare assignment?
Yes. Medicare's clinician data says Sara R. Guzman-Reyes 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 Sara R. Guzman-Reyes see?
In 2024, CMS data shows 49 Original Medicare patients and 74 services for Sara R. Guzman-Reyes. This counts Original Medicare only and measures volume, not quality.
What is Sara R. Guzman-Reyes's NPI number?
1679765408. 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 Sara R. Guzman-Reyes, 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 patients49
Services billed to Medicare74
Different services or procedures30
Participating Medicare providerYes
Average age of these patients71

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 cholesterol71%
  • Arthritis57%
  • Diabetes45%
  • Ischemic heart disease35%
  • Chronic kidney disease33%

Hospitals where Sara R. Guzman-Reyes works

Medicare's Facility Affiliation Data lists Sara R. Guzman-Reyes 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 Sara R. Guzman-Reyes is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.

  • 5656 Kelley StHouston, TX 77026
  • 5656 Kelley St, Fl 2Houston, TX 77026 (713) 566‑5656
  • 6410 Fannin StHouston, TX 77030
  • 6411 Fannin StHouston, TX 77030
  • 6411 Fannin St, Suite 400Houston, TX 77030 (713) 500‑3267

Group practices

Medicare enrollment lists Sara R. Guzman-Reyes as a member of this group (CMS data updated October 2, 2026).

  • UT Physicians1,765 clinicians in the group

Specialties

Find other Anesthesiology doctors in Texas →

Other anesthesiologists in Houston

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

All anesthesiologists in Houston →

Other clinicians in UT Physicians

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

Clinician information

CredentialMD
Graduation year2000 (26 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1679765408
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