NPI age
17 years
Enumerated 2008-07-03
● Active
Type 1 · Individual
DR. Emmanuel Yih-Herng Chang, MD/PHD
Chang is 1 of 7 ophthalmology providers in Bellaire and 1 of 139 in Texas.
Primary specialty
Ophthalmology
Plus 1 subspecialty
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2024-10-22
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 139 active ophthalmology providers in Texas.
NPI age
17 years
≈ at median (16 yr)
State licenses
1 state
28% of peers hold multiple states
Subspecialties
1
In the 77% of peers with subspecialties
NPI lifetime · 2008 → 2026
2008-07Enumerated in NPPES
2008
2026
Where they practice
Practice location
6565 West Loop S Ste 400
Bellaire, TX 774013510
Mailing address
6565 West Loop S Ste 400
Bellaire, TX 774013510
Specialties
-
Ophthalmology PrimaryAn ophthalmologist who specializes in the diagnosis and treatment of vitreoretinal diseases.
-
OphthalmologyAn ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (MI) | 1083877740 | |
| 01 | 1083877740 | NPI |
| 05 (TX) | 322767002 | |
| 05 (TX) | 322767003 | |
| 05 (TX) | 322767004 | |
| 05 (TX) | 322767005 |
Practice context
Part of a multi-provider practice. 4 other active providers share this practice address in NPPES.
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- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
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