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Anesthesiology

Jeffrey L. Horswell, MD

Works at hospitals in Dallas, TX · Texas

Summary

Dr. Jeffrey L. Horswell, MD is an anesthesiologist at 7777 Forest Ln, Dallas, TX 75230. Phone: (972) 566-7072. Accepts Medicare assignment. In 2024, Jeffrey L. Horswell had 39 Original Medicare patients and 113 services. NPI 1821271370. 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: 7777 Forest Ln, Dallas, TX 75230 · Directions
  • Phone: (972) 566‑7072
  • Medicare: Accepts Medicare assignment
  • Hospital: Medical City Dallas Hospital
  • Group practice: U S Anesthesia Partners of Texas, PA
  • Medical school: University Of Texas Medical Branch At Galveston · graduated 1981 (45 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Jeffrey L. Horswell, 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 Jeffrey L. Horswell accept Medicare assignment?
Yes. Medicare's clinician data says Jeffrey L. Horswell 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 Jeffrey L. Horswell see?
In 2024, CMS data shows 39 Original Medicare patients and 113 services for Jeffrey L. Horswell. This counts Original Medicare only and measures volume, not quality.
What is Jeffrey L. Horswell's NPI number?
1821271370. 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 Jeffrey L. Horswell, 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 patients39
Services billed to Medicare113
Different services or procedures10
Participating Medicare providerYes
Average age of these patients55

Most frequent services

  1. Ultrasonic guidance for blood vessel access (76937)37 services
  2. Insertion of artery tube for blood sampling or infusion through skin (36620)20 services
  3. Anesthesia for kidney transplant (00868)19 services
  4. Insertion of non-tunneled central venous tube for infusion (5 years or older) (36556)17 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%
  • Ischemic heart disease62%
  • Diabetes59%
  • Heart failure44%

Hospitals where Jeffrey L. Horswell works

Medicare's Facility Affiliation Data lists Jeffrey L. Horswell 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 Jeffrey L. Horswell is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Jeffrey L. Horswell 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 Dallas

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

All anesthesiologists in Dallas →

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 Branch At Galveston
Graduation year1981 (45 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1821271370
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