Hoang-Anh L. Phan, DO

Medicare activity in 2024

Official CMS public-use data for Hoang-Anh L. Phan, 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)593 services
2. Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more (99308)466 services
3. Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes (99349)396 services
4. Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)392 services
5. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)295 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 disease57%
• Ischemic heart disease56%
• Arthritis55%
• Diabetes53%

Hospitals where Hoang-Anh L. Phan works

Medicare's Facility Affiliation Data lists Hoang-Anh L. Phan 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.

• Houston Methodist Willowbrook HospitalHouston, TX · Acute Care Hospital · Medicare rating: 5 of 5 stars · CCN 450844

Practice locations

Addresses where Hoang-Anh L. Phan is enrolled with Medicare (CMS data updated October 2, 2026).

• 12000 Bellaire Blvd, Suite 140Houston, TX 77072 (832) 644‑0200
• 16332 FM 529 Rd, Suite D1Houston, TX 77095 (832) 588‑6791

Specialties

• Hospitalistprimary
• Internal Medicinealso

Find other Hospitalist doctors in Texas →

Other hospitalists in Houston

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

• James T. Tran, MD
• Lubna U. Khawaja, MD
• Oluwadamilola A. Romiluyi, MD
• Sundar A. Dhamotharan, MD
• Thu A. Nguyen, DO
• Sean M. Hickey, DO
• Sharon Hechter, MD
• Nihan Farooq, MD

All hospitalists in Houston →

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