NPI age
11 years
Enumerated 2015-03-30
● Active
Type 1 · Individual
Zieanna Chang, M.D.
Chang is 1 of 41 internal medicine providers in Dallas and 1 of 217 in Texas.
Primary specialty
Internal Medicine
Plus 1 subspecialty
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2021-09-01
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 217 active internal medicine providers in Texas.
NPI age
11 years
≈ at median (12 yr)
State licenses
1 state
17% of peers hold multiple states
Subspecialties
1
In the 60% of peers with subspecialties
NPI lifetime · 2015 → 2026
2015-03Enumerated in NPPES
2015
2026
Where they practice
Practice location
5200 Harry Hines Blvd
Dallas, TX 752357709
Mailing address
Po Box 845347
Dallas, TX 752845347
Additional practice locations
1 secondary location on file with NPPES.
Location 2
200 Lothrop St, Suite N-715
Pittsburgh, PA 152132536
Specialties
-
Internal Medicine PrimaryAn internal medicine physician with special knowledge and skills to prevent and relieve the suffering experienced by patients with life-limiting illnesses. This specialist works with an interdisciplinary hospice or palliative care team...
-
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. 670 other active providers share this practice address in NPPES.
Provyx · Custom healthcare lists
Need all 217 Internal Medicine providers in Texas?
Get the full list as a CSV with verified work emails, direct phones, and LinkedIn URLs.
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.