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Family Practice

Christian M. Sonnier, MD

Works at hospitals in Livingston, TX · Fredericksburg, TX · Texas

Summary

Dr. Christian M. Sonnier, MD is a family doctor at 1020 S State Hwy 16, Hill Country Em, Fredericksburg, TX 78624. Phone: (830) 997-4353. May accept Medicare assignment. In 2024, Christian M. Sonnier had 380 Original Medicare patients and 798 services. NPI 1740522861. 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: Family doctor (Medicare lists Family Practice)
  • Address: 1020 S State Hwy 16, Hill Country Em, Fredericksburg, TX 78624 · Directions (5 more locations)
  • Phone: (830) 997‑4353
  • Medicare: May accept Medicare assignment
  • Hospitals: CHI St Lukes Health Memorial Livingston, Methodist Hospital Hill Country
  • Group practice: Integrative Emergency Services Physician Group-Houston PLLC (+3 more)
  • Medical school: Louisiana State University School Of Medicine In Shreveport · graduated 2013 (13 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Christian M. Sonnier, 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 Christian M. Sonnier accept Medicare assignment?
Medicare's clinician data says Christian M. Sonnier may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
How many Medicare patients does Christian M. Sonnier see?
In 2024, CMS data shows 380 Original Medicare patients and 798 services for Christian M. Sonnier. This counts Original Medicare only and measures volume, not quality.
What is Christian M. Sonnier's NPI number?
1740522861. 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 Christian M. Sonnier, 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 patients380
Services billed to Medicare798
Different services or procedures19
Participating Medicare providerYes
Average age of these patients77

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)339 services
  2. Emergency department visit with high level of medical decision making (99285)93 services
  3. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)86 services
  4. Emergency department visit with moderate level of medical decision making (99284)74 services
  5. Critical care, first 30-74 minutes (99291)56 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%
  • Arthritis55%
  • Ischemic heart disease49%
  • Diabetes43%
  • Chronic kidney disease42%

Hospitals where Christian M. Sonnier works

Medicare's Facility Affiliation Data lists Christian M. Sonnier 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 Christian M. Sonnier is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.

Group practices

Medicare enrollment lists Christian M. Sonnier as a member of these groups (CMS data updated October 2, 2026).

  • Integrative Emergency Services Physician Group-Houston PLLC217 clinicians in the group
  • Sound Physicians Emergency Medicine of Texas PLLC113 clinicians in the group
  • The Urgent Care Associates of Texas PLLC23 clinicians in the group
  • Hospitalist Medicine Physicians of Texas - Houston, PLLC18 clinicians in the group

Specialties

Find other Family Practice doctors in Texas →

Other family doctors in Fredericksburg

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

All family doctors in Fredericksburg →

Other clinicians in Integrative Emergency Services Physician Group-Houston PLLC

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

Clinician information

CredentialMD
Medical schoolLouisiana State University School Of Medicine In Shreveport
Graduation year2013 (13 years since medical school)
Gender (as listed)Male
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1740522861
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