Huimahn A. Choi, MD

Medicare activity in 2024

Official CMS public-use data for Huimahn A. Choi, 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. Critical care, first 30-74 minutes (99291)344 services
2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)192 services
3. Hospital discharge day management, more than 30 minutes (99239)34 services
4. Insertion of artery tube for blood sampling or infusion through skin (36620)23 services
5. Ultrasonic guidance for blood vessel access (76937)22 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%
• Stroke or mini-stroke75%
• Diabetes60%
• Arthritis54%
• Ischemic heart disease47%

Hospitals where Huimahn A. Choi works

Medicare's Facility Affiliation Data lists Huimahn A. Choi 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 Beaumont HospitalBeaumont, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 450346
• Memorial Hermann - Texas Medical CenterHouston, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · CCN 450068
• Memorial Hermann Memorial City HospitalHouston, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · CCN 450610

Practice locations

Addresses where Huimahn A. Choi is enrolled with Medicare (CMS data updated October 2, 2026).

• 6400 Fannin St, Suite 2800Houston, TX 77030 (713) 486‑8000
• 9250 Pinecroft DrShenandoah, TX 77380 (713) 897‑2300

Group practices

Medicare enrollment lists Huimahn A. Choi as a member of this group (CMS data updated October 2, 2026).

• UT Physicians213 clinicians in the group

Specialties

• Neurologyprimary
• Critical Care (Intensivists)also

Find other Neurology doctors in Texas →

Other neurologists in Houston

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

• Harpaul S. Gill, MD
• Christina Y. Kim, MD
• Abdulrahman Alwaki, MD
• Jeffrey Gaitz, MD
• Shivika Chandra, MD
• Susanne Gonzalez Gallardo, MD
• Monika Ummat, MD
• Melissa J. Christie, MD

All neurologists in Houston →

Other clinicians in UT Physicians

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

• Christina L. Burrows
• Christina Y. Kim, MD
• Joseph W. Fries, MD
• Veronica J. Burton, CP
• Hiral P. Patel, MD
• Annika L. Medhus, 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