NPI age
19 years
Enumerated 2006-06-06
● Active
Type 1 · Individual
Charlie Chih Lee Chang, M.D.
Chang is 1 of 10 internal medicine providers in Webster and 1 of 935 in Texas.
Primary specialty
Internal Medicine
Plus 1 subspecialty
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2026-03-17
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 935 active internal medicine providers in Texas.
NPI age
19 years
≈ at median (18 yr)
State licenses
1 state
15% of peers hold multiple states
Subspecialties
1
In the 38% of peers with subspecialties
NPI lifetime · 2006 → 2026
2006-06Enumerated in NPPES
2006
2026
Where they practice
Practice location
600 N Kobayashi Ste 312
Webster, TX 775984841
Mailing address
Po Box 57336
Webster, TX 775987336
Additional practice locations
7 secondary locations on file with NPPES.
Location 2
9645 Barker Cypress Rd Ste 100
Cypress, TX 774335292
Location 3
14100 Southwest Fwy Ste 500
Sugar Land, TX 774783483
Location 4
600 N Kobayashi Ste 309
Webster, TX 775984841
Location 5
4615 Southwest Fwy Ste 900
Houston, TX 770277191
Location 6
500 N Kobayashi Ste C
Webster, TX 775984722
Location 7
600 N Kobayashi Ste 110
Webster, TX 775984841
Location 8
9645 Barker Cypress Rd Ste 102
Cypress, TX 774335292
Specialties
-
Internal Medicine PrimaryAn internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary...
-
Internal MedicineA physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer,...
Practice context
Part of a multi-provider practice. 9 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 →
- Check the state license is currently active.State licensing boards publish current status; NPPES does not.
- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.