NPI age
14 years
Enumerated 2012-04-06
● Active
Type 1 · Individual
Chelsea Chang, M.D.
Chang is 1 of 51 internal medicine providers in Weslaco and 1 of 12343 in Texas.
Primary specialty
Internal Medicine
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2024-09-23
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 12343 active internal medicine providers in Texas.
NPI age
14 years
↓ 3 yr below median (17 yr)
State licenses
1 state
12% of peers hold multiple states
Subspecialties
0
33% of peers hold subspecialties
NPI lifetime · 2012 → 2026
2012-04Enumerated in NPPES
2012
2026
Where they practice
Practice location
1330 E 6th St Ste 105
Weslaco, TX 785966608
Mailing address
Po Box 531968
Harlingen, TX 785531968
Specialties
-
Internal Medicine PrimaryA 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,...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 01 (TX) | 8JS109 | BCBS |
| 05 (TX) | 3460990-02 |
Practice context
Part of a multi-provider practice. 25 other active providers share this practice address in NPPES.
Recently enumerated nearby: 2 new internal medicine providers have been added in Weslaco in the last 180 days.
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Request a quote →How to verify this provider
- 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.