Quick answers
- Does Ching Yen J. Chang accept Medicare assignment?
- Yes. Medicare's clinician data says Ching Yen J. Chang accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Ching Yen J. Chang see?
- In 2024, CMS data shows 286 Original Medicare patients and 821 services for Ching Yen J. Chang. This counts Original Medicare only and measures volume, not quality.
- What is Ching Yen J. Chang's NPI number?
- 1316981392. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Ching Yen J. 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.
| Original Medicare patients | 286 |
|---|---|
| Services billed to Medicare | 821 |
| Different services or procedures | 43 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)186 services
- Exam of ear using a microscope (92504)100 services
- New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)88 services
- Simple removal of skin debris and drainage of mastoid cavity (69220)57 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)41 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 cholesterol75%
- High blood pressure73%
- Arthritis45%
- Ischemic heart disease34%
- Diabetes32%
- Anxiety23%
Hospitals where Ching Yen J. Chang works
Medicare's Facility Affiliation Data lists Ching Yen J. 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.
- 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
- Memorial Hermann Northeast HospitalHumble, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · CCN 450684
- The Woman's Hospital of TexasHouston, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · CCN 450674
Practice locations
Addresses where Ching Yen J. Chang is enrolled with Medicare (CMS data updated October 2, 2026).
- 6565 W Loop S, Suite 350Bellaire, TX 77401 (713) 791‑9363
- 7900 Fannin St, Suite 1900Houston, TX 77054 (713) 791‑9363
- 9301 Pinecroft Dr, Suite 150Shenandoah, TX 77380 (281) 362‑1368
Group practices
Medicare enrollment lists Ching Yen J. Chang as a member of this group (CMS data updated October 2, 2026).
- Texas Ear, Nose and Throat Specialists, PLLC128 clinicians in the group
Specialties
- Otolaryngologyprimary
Other ENT doctors in Bellaire
Clinicians with the same Medicare primary specialty in Bellaire, TX — not a recommendation.
Other clinicians in Texas Ear, Nose and Throat Specialists, PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Harvard Medical School |
| Graduation year | 1989 (37 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1316981392 |
| Corrections | Report an error or suggest an update → |
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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians