Zachary S. Pallister, MD

Medicare activity in 2024

Official CMS public-use data for Zachary S. Pallister, 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)33 services
2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)27 services
3. Ultrasonic guidance for blood vessel access (76937)26 services
4. Insertion of tube into abdominal, pelvic, or leg artery, initial second order branch (36246)20 services
5. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)19 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%
• Chronic kidney disease66%
• Diabetes63%
• Ischemic heart disease59%
• Heart failure46%

Hospitals where Zachary S. Pallister works

Medicare's Facility Affiliation Data lists Zachary S. Pallister 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.

• Baylor St. Luke's Medical CenterHouston, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · CCN 450193

Practice locations

Addresses where Zachary S. Pallister is enrolled with Medicare (CMS data updated October 2, 2026).

• 1504 Taub LoopHouston, TX 77030 (713) 873‑2000
• 6620 Main St, Suite 1325Houston, TX 77030 (713) 798‑6198

Group practices

Medicare enrollment lists Zachary S. Pallister as a member of these groups (CMS data updated October 2, 2026).

• Baylor College of Medicine1,240 clinicians in the group
• Baylor College of Medicine809 clinicians in the group

Specialties

• Vascular Surgeryprimary
• General Surgeryalso

Find other Vascular Surgery doctors in Texas →

Other vascular surgeons in Houston

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

• Naveed U. Saqib, MD
• Ian O. Cook-Armstrong, MD
• Dan Loberman, MD
• Erin Greenleaf
• Limael E. Rodriguez, MD
• Jorge A. Miranda, MD
• Nawar Hudefi, MD
• James Oyeniyi, MD

All vascular surgeons in Houston →

Other clinicians in Baylor College of Medicine

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

• Stephen A. Hunt, AA
• Bradley M. Roche, MD
• Tony Kim, MD
• Michael Coburn, MD
• Vijayshekar R. Elati, MD
• Heather Pemberton, 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