Khizar Ahsan, MD

Medicare activity in 2024

Official CMS public-use data for Khizar Ahsan, 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. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)320 services
2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)187 services
3. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)91 services
4. Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)60 services
5. Biopsy of large bowel using a flexible endoscope (45380)53 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%
• Diabetes53%
• Ischemic heart disease42%
• Chronic kidney disease38%

Hospitals where Khizar Ahsan works

Medicare's Facility Affiliation Data lists Khizar Ahsan 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.

• Doctors Hospital at RenaissanceEdinburg, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 450869
• Mission Regional Medical CenterMission, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 450176
• Rio Grande Regional HospitalMcAllen, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 450711
• Starr County Memorial HospitalRio Grande City, TX · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 450654

Practice locations

Addresses where Khizar Ahsan is enrolled with Medicare (CMS data updated October 2, 2026).

• 1112 E Griffin Pkwy, Suite DMission, TX 78572 (956) 627‑3408
• 252 Lindberg AveMcAllen, TX 78501 (956) 627‑3408

Specialties

• Gastroenterologyprimary
• Internal Medicinealso

Find other Gastroenterology doctors in Texas →

Other gastroenterologists in Texas

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

• Silvia C. Sy, MD
• Andrea Portocarrero Castillo, MD
• Daniel J. Ellis, MD
• Stalin R. Subramanian, MD
• Wayne D. Green, MD
• Nasrullah Manji, MD
• Suraj A. Naik, MD
• Tojo Thomas, MD

All gastroenterologists in Texas →

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