Zaid F. Altheeb, MD

Medicare activity in 2024

Official CMS public-use data for Zaid F. Altheeb, 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)337 services
2. Critical care, first 30-74 minutes (99291)151 services
3. Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)129 services
4. Heart muscle strain imaging (93356)111 services
5. 3d radiographic procedure (76376)83 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%
• Diabetes62%
• Ischemic heart disease58%
• Heart failure48%
• Chronic kidney disease46%

Hospitals where Zaid F. Altheeb works

Medicare's Facility Affiliation Data lists Zaid F. Altheeb 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.

• Baptist Medical CenterSan Antonio, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 450058
• Methodist HospitalSan Antonio, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 450388

Practice locations

Addresses where Zaid F. Altheeb is enrolled with Medicare (CMS data updated October 2, 2026).

• 1200 Brooklyn Ave, Suite 201San Antonio, TX 78212 (210) 281‑9800

Group practices

Medicare enrollment lists Zaid F. Altheeb as a member of this group (CMS data updated October 2, 2026).

• Methodist Physician Practices PLLC175 clinicians in the group

Specialties

• Interventional Cardiologyprimary
• Cardiovascular Disease (Cardiology)also

Find other Interventional Cardiology doctors in Texas →

Other interventional cardiologists in San Antonio

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

• Christopher Pickett, MD
• Yogamaya Mantha, MD
• Ruben J. Rodriguez, MD
• Jose M. Iturbe, MD
• Bal T. Reddy, MD
• Gary J. Maszak, MD
• Mark L. Canales, MD
• Nandish K. Thukral, MD

All interventional cardiologists in San Antonio →

Other clinicians in Methodist Physician Practices PLLC

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

• Joseph Wu, MD
• Scott T. Trexler, MD
• Christopher Pickett, MD
• Diana Velez, NP
• Yuichi Matsuzaki, MD
• Christina E. Gutierrez, 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