NPI age
10 years
Enumerated 2016-04-06
● Active
Type 1 · Individual
Ruby Jean Chang, M.D.
Chang is 1 of 112 pathology providers in Austin and 1 of 1597 in Texas.
Primary specialty
Pathology
Plus 1 subspecialty
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2021-07-20
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 1597 active pathology providers in Texas.
NPI age
10 years
↓ 9 yr below median (19 yr)
State licenses
1 state
16% of peers hold multiple states
Subspecialties
1
In the 37% of peers with subspecialties
NPI lifetime · 2016 → 2026
2016-04Enumerated in NPPES
2016
2026
Where they practice
Practice location
3445 Executive Center Dr., Ste 250
Austin, TX 787311678
Mailing address
3445 Executive Center Dr., Ste 250
Austin, TX 787311678
Specialties
-
Pathology PrimaryA pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses...
-
Student in an Organized Health Care Education/Training ProgramAn individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
Practice context
Part of a multi-provider practice. 5 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.
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