Albert J. Diaz Ordaz, MD

Medicare activity in 2024

Official CMS public-use data for Albert J. Diaz Ordaz, 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. Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)96 services
2. Biopsy of large bowel using a flexible endoscope (45380)91 services
3. Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)87 services
4. Dilation of esophagus (43450)51 services
5. Diagnostic exam of large bowel using a flexible endoscope (45378)28 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 cholesterol75%
• High blood pressure73%
• Arthritis50%
• Chronic kidney disease28%
• Ischemic heart disease24%
• Anxiety24%

Hospitals where Albert J. Diaz Ordaz works

Medicare's Facility Affiliation Data lists Albert J. Diaz Ordaz 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.

• Kaleida HealthBuffalo, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330005
• Mercy Hospital of BuffaloBuffalo, NY · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 330279
• Sisters of Charity HospitalBuffalo, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330078

Practice locations

Addresses where Albert J. Diaz Ordaz is enrolled with Medicare (CMS data updated October 2, 2026).

• 310 Sterling Dr, Suite 105Orchard Park, NY 14127

Group practices

Medicare enrollment lists Albert J. Diaz Ordaz as a member of this group (CMS data updated October 2, 2026).

• Southtowns Gastroenterology, PLLC3 clinicians in the group

Specialties

• Gastroenterologyprimary

Find other Gastroenterology doctors in New York →

Other gastroenterologists in New York

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

• Won Sohn, MD
• Allan W. Wolkoff, MD
• John C. Lee, MD
• Natasha Bamji, MD
• Fahad I. Malik, MD
• Priya D. Farooq, MD
• Eugene S. Bonapace Jr., MD
• Adam S. Faye, MD

All gastroenterologists in New York →

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