Courtney M. Chang, MD

Medicare activity in 2024

Official CMS public-use data for Courtney M. Chang, 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. Ultrasound measurement of bladder capacity after voiding (51798)197 services
2. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)144 services
3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)116 services
4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)108 services
5. Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)61 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%
• Arthritis55%
• Diabetes43%
• Ischemic heart disease39%
• Chronic kidney disease36%

Hospitals where Courtney M. Chang works

Medicare's Facility Affiliation Data lists Courtney M. Chang 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 HospitalHouston, TX · Acute Care Hospital · Medicare rating: 5 of 5 stars · CCN 450358
• Houston Methodist Sugar Land HospitalSugar Land, TX · Acute Care Hospital · Medicare rating: 5 of 5 stars · CCN 450820

Practice locations

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

• 16659 Southwest Fwy, Suite 401Sugar Land, TX 77479 (281) 276‑5280
• 16811 Southwest Fwy, Suite 200Sugar Land, TX 77479 (281) 690‑4678
• 6445 Main St, Suite 2500Houston, TX 77030 (713) 441‑3150

Group practices

Medicare enrollment lists Courtney M. Chang as a member of these groups (CMS data updated October 2, 2026).

• TMH Physician Associates PLLC1,690 clinicians in the group
• Houston Methodist Specialty Physicians1,528 clinicians in the group

Specialties

• Urologyprimary

Find other Urology doctors in Texas →

Other urologists in Sugar Land

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

• Philip L. Ho, MD
• Julie Stewart, MD
• John R. Boon, MD
• Kevin G. Nickell, MD
• Xishi Tan, MD
• An N. Hoang, MD
• Jason B. Huang, MD
• Zvi J. Schiffman, MD

All urologists in Sugar Land →

Other clinicians in TMH Physician Associates PLLC

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

• Saif Altaie, MD
• David Morris, DO
• Boutros P. Kahla, MD
• Preethi Prasad, MD
• Taryn L. Teykl, NP
• Neha Mathur, 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