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Anesthesiology

Samuel A. Mascorro Iii, MD

Works at hospitals in Plano, TX · Texas

Summary

Dr. Samuel A. Mascorro Iii, MD is an anesthesiologist at 3901 W 15th St, Greater Houston Anesthesiology, Plano, TX 75075. Phone: (972) 519-1115. Accepts Medicare assignment. In 2024, Samuel A. Mascorro Iii had 46 Original Medicare patients and 55 services. NPI 1467413518. 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: 3901 W 15th St, Greater Houston Anesthesiology, Plano, TX 75075 · Directions
  • Phone: (972) 519‑1115
  • Medicare: Accepts Medicare assignment
  • Hospital: Medical City Plano
  • Group practice: U S Anesthesia Partners of Texas, PA
  • Medical school: University Of Texas Medical School At San Antonio · graduated 1988 (38 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Samuel A. Mascorro Iii, 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 Samuel A. Mascorro Iii accept Medicare assignment?
Yes. Medicare's clinician data says Samuel A. Mascorro Iii 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 Samuel A. Mascorro Iii see?
In 2024, CMS data shows 46 Original Medicare patients and 55 services for Samuel A. Mascorro Iii. This counts Original Medicare only and measures volume, not quality.
What is Samuel A. Mascorro Iii's NPI number?
1467413518. 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 Samuel A. Mascorro Iii, 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 patients46
Services billed to Medicare55
Different services or procedures12
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Insertion of artery tube for blood sampling or infusion through skin (36620)35 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%
  • Arthritis67%
  • Diabetes65%
  • Ischemic heart disease61%
  • Depression50%

Hospitals where Samuel A. Mascorro Iii works

Medicare's Facility Affiliation Data lists Samuel A. Mascorro Iii 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.

  • Medical City PlanoPlano, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 450651

Practice locations

Addresses where Samuel A. Mascorro Iii is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Samuel A. Mascorro Iii as a member of this group (CMS data updated October 2, 2026).

  • U S Anesthesia Partners of Texas, PA2,752 clinicians in the group

Specialties

Find other Anesthesiology doctors in Texas →

Other anesthesiologists in Plano

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

All anesthesiologists in Plano →

Other clinicians in U S Anesthesia Partners of Texas, PA

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

Clinician information

CredentialMD
Medical schoolUniversity Of Texas Medical School At San Antonio
Graduation year1988 (38 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1467413518
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