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Physician Assistant

Evan J. Koesler, PA

Works at hospitals in Dallas, TX · Denison, TX · Texas

Summary

Evan J. Koesler, PA is a physician assistant at 3500 Gaston Ave, Fl 1, Dallas, TX 75246. Phone: (972) 817-6100. Accepts Medicare assignment. In 2024, Evan J. Koesler had 105 Original Medicare patients and 261 services. NPI 1780065755. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Evan J. Koesler, 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 Evan J. Koesler accept Medicare assignment?
Yes. Medicare's clinician data says Evan J. Koesler 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 Evan J. Koesler see?
In 2024, CMS data shows 105 Original Medicare patients and 261 services for Evan J. Koesler. This counts Original Medicare only and measures volume, not quality.
What is Evan J. Koesler's NPI number?
1780065755. 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 Evan J. Koesler, 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 patients105
Services billed to Medicare261
Different services or procedures7
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Prolonged hospital inpatient or observation care evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by th (G0316)163 services
  2. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)55 services
  3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)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%
  • Arthritis55%
  • Depression52%
  • Chronic kidney disease52%
  • Diabetes50%

Hospitals where Evan J. Koesler works

Medicare's Facility Affiliation Data lists Evan J. Koesler 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.

  • Baylor University Medical CenterDallas, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 450021
  • Texoma Medical CenterDenison, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 450324

Practice locations

Addresses where Evan J. Koesler is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Evan J. Koesler as a member of these groups (CMS data updated October 2, 2026).

  • Healthtexas Provider Network2,697 clinicians in the group
  • John Allen Van Wagoner, MD, PA9 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, Texas →

Other physician assistants in Dallas

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

All physician assistants in Dallas →

Other clinicians in Healthtexas Provider Network

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

Clinician information

CredentialPA
Graduation year2015
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1780065755
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