Mahmoud M. Elsayad, MD

Medicare activity in 2024

Official CMS public-use data for Mahmoud M. Elsayad, 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. Pathology examination of tissue using a microscope, intermediate complexity (88305)149 services
2. Special stained specimen slides to examine tissue, each additional procedure (88341)90 services
3. Pathology examination of specimen during surgery, first tissue block (88331)59 services
4. Pathology examination of tissue using a microscope, moderately high complexity (88307)55 services
5. Cell examination of specimen, concentration technique (88108)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%
• Arthritis52%
• Ischemic heart disease48%
• Chronic kidney disease47%
• Diabetes41%

Hospitals where Mahmoud M. Elsayad works

Medicare's Facility Affiliation Data lists Mahmoud M. Elsayad 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.

• Memorial Hermann - Texas Medical CenterHouston, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · CCN 450068

Practice locations

Addresses where Mahmoud M. Elsayad is enrolled with Medicare (CMS data updated October 2, 2026).

• 6411 Fannin StHouston, TX 77030 (713) 704‑4000
• 6431 Fannin StHouston, TX 77030 (713) 500‑5301
• 6431 Fannin St, Msb 2 136Houston, TX 77030

Group practices

Medicare enrollment lists Mahmoud M. Elsayad as a member of this group (CMS data updated October 2, 2026).

• University of Texas Health Science Center at Houston47 clinicians in the group

Specialties

• Pathologyprimary

Find other Pathology doctors in Texas →

Other pathologists in Houston

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

• Wei Wang, MD
• Hongxia Sun
• Dongwei Zhang
• Guilin Tang, MD
• Phyu P. Aung, MD
• Adel K. El-Naggar, MD
• Leomar Y. Ballester-Fuentes, MD
• Yu Bai, MD

All pathologists in Houston →

Other clinicians in University of Texas Health Science Center at Houston

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

• Brenda Mai, MD
• Mohammed Rigi, MD
• Nidhi Tandon, MD
• Suhair Al Salihi, MD
• Gustavo E. Ayala, MD
• Jamie J. Buryanek, 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