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Pediatric Medicine

Joseph S. Elizondo, MD

Sees patients in San Antonio, TX · New Braunfels, TX · Texas

Summary

Dr. Joseph S. Elizondo, MD is a pediatrician at 1111 SE Military Dr, San Antonio, TX 78214. Phone: (210) 927-5580. Accepts Medicare assignment. In 2024, Joseph S. Elizondo had 27 Original Medicare patients and 68 services. NPI 1841324183. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Pediatrician (Medicare lists Pediatric Medicine)
  • Address: 1111 SE Military Dr, San Antonio, TX 78214 · Directions (4 more locations)
  • Phone: (210) 927‑5580
  • Medicare: Accepts Medicare assignment
  • Group practice: TMC Provider Group PLLC
  • Medical school: Boston University School Of Medicine · graduated 2003 (23 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Joseph S. Elizondo, 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 Joseph S. Elizondo accept Medicare assignment?
Yes. Medicare's clinician data says Joseph S. Elizondo 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 Joseph S. Elizondo see?
In 2024, CMS data shows 27 Original Medicare patients and 68 services for Joseph S. Elizondo. This counts Original Medicare only and measures volume, not quality.
What is Joseph S. Elizondo's NPI number?
1841324183. 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 Joseph S. Elizondo, 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 patients27
Services billed to Medicare68
Different services or procedures16
Participating Medicare providerYes
Average age of these patients72

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)13 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%
  • Arthritis56%
  • Diabetes48%

Practice locations

Addresses where Joseph S. Elizondo is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Joseph S. Elizondo as a member of this group (CMS data updated October 2, 2026).

  • TMC Provider Group PLLC211 clinicians in the group

Specialties

Find other Pediatric Medicine doctors in Texas →

Other pediatricians in San Antonio

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

All pediatricians in San Antonio →

Other clinicians in TMC Provider Group PLLC

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

Clinician information

CredentialMD
Medical schoolBoston University School Of Medicine
Graduation year2003 (23 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1841324183
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. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians