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Emergency Medicine

Abraham K. Feshazion, MD

Works at hospitals in San Angelo, TX · Edinburg, TX · San Antonio, TX · Texas

Summary

Dr. Abraham K. Feshazion, MD is an emergency medicine doctor at 1102 W Trenton Rd, Edinburg, TX 78539. Phone: (956) 388-6000. Accepts Medicare assignment. In 2024, Abraham K. Feshazion had 225 Original Medicare patients and 337 services. NPI 1851832109. 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: Emergency medicine doctor (Medicare lists Emergency Medicine)
  • Address: 1102 W Trenton Rd, Edinburg, TX 78539 · Directions (7 more locations)
  • Phone: (956) 388‑6000
  • Medicare: Accepts Medicare assignment
  • Hospitals: Shannon Medical Center, South Texas Health System, University Health System
  • Group practice: University of Texas Health Science Center at San Antonio (+5 more)
  • Medical school: Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University · graduated 2017 (9 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Abraham K. Feshazion, 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 Abraham K. Feshazion accept Medicare assignment?
Yes. Medicare's clinician data says Abraham K. Feshazion 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 Abraham K. Feshazion see?
In 2024, CMS data shows 225 Original Medicare patients and 337 services for Abraham K. Feshazion. This counts Original Medicare only and measures volume, not quality.
What is Abraham K. Feshazion's NPI number?
1851832109. 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 Abraham K. Feshazion, 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 patients225
Services billed to Medicare337
Different services or procedures10
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)106 services
  2. Emergency department visit with moderate level of medical decision making (99284)101 services
  3. Emergency department visit with high level of medical decision making (99285)58 services
  4. Critical care, first 30-74 minutes (99291)30 services
  5. Emergency department visit with low level of medical decision making (99283)29 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%
  • Ischemic heart disease45%
  • Diabetes44%
  • Heart failure43%

Hospitals where Abraham K. Feshazion works

Medicare's Facility Affiliation Data lists Abraham K. Feshazion 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 Abraham K. Feshazion is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 8; the Medicare profile lists all.

Group practices

Medicare enrollment lists Abraham K. Feshazion as a member of these groups (CMS data updated October 2, 2026).

  • University of Texas Health Science Center at San Antonio1,297 clinicians in the group
  • Shannon Clinic559 clinicians in the group
  • McAllen Emergency Medicine Associates PA79 clinicians in the group
  • Edinburg Emergency Medicine Associates PA72 clinicians in the group
  • Oak Creek Emergency Medicine Associates PA67 clinicians in the group
  • Municipal Emergency Medicine Associates, PA49 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Texas →

Other emergency medicine doctors in Edinburg

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

All emergency medicine doctors in Edinburg →

Other clinicians in University of Texas Health Science Center at San Antonio

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

Clinician information

CredentialMD
Medical schoolClvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University
Graduation year2017 (9 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1851832109
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