Harry Kourlis Jr., MD

Medicare activity in 2024

Official CMS public-use data for Harry Kourlis Jr., 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.

Most frequent services

1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)14 services
2. Harvest of vein using an endoscope (33508)12 services
3. Coronary artery bypass using artery graft, 1 graft (33533)11 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%
• Ischemic heart disease75%
• Diabetes64%
• Heart failure48%
• COPD43%

Hospitals where Harry Kourlis Jr. works

Medicare's Facility Affiliation Data lists Harry Kourlis Jr. 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.

• CHRISTUS St Michael Health SystemTexarkana, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 450801

Practice locations

Addresses where Harry Kourlis Jr. is enrolled with Medicare (CMS data updated October 2, 2026).

• 2600 Saint Michael DrTexarkana, TX 75503 (903) 614‑5250
• 620 S Fleishel Ave, CHRISTUS Trinity ClinicTyler, TX 75701 (903) 606‑4900
• 630 S Fleishel AveTyler, TX 75701 (903) 606‑5560

Group practices

Medicare enrollment lists Harry Kourlis Jr. as a member of this group (CMS data updated October 2, 2026).

• CHRISTUS Trinity Clinic Texas1,540 clinicians in the group

Specialties

• Thoracic Surgeryprimary

Find other Thoracic Surgery doctors in Texas →

Other thoracic surgeons in Texas

Clinicians with the same Medicare primary specialty in Texas — not a recommendation.

• Obieze C. Nwanna-Nzewunwa, MD
• Aamir S. Shah, MD
• Brandon R. Hill, MD
• Reginald C. Baptiste, MD
• Shahab Akvan, MD
• John J. Squiers, MD
• William T. Brinkman, MD
• Michael Oszczakiewicz, MD

All thoracic surgeons in Texas →

Other clinicians in CHRISTUS Trinity Clinic Texas

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

• Heather C. Flugel, NP
• Caroline B. Summersgill, PA
• Kurt S. Reuland, MD
• Francis P. Fischer, DO
• Oscar Rivera, MD
• Reginald C. Baptiste, MD

Clinician information

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