NPI age
5 years
Enumerated 2021-03-22
● Active
Type 1 · Individual
Doreen Zhao Chang, MD
Chang is 1 of 1256 pediatrics providers in Houston and 1 of 7055 in Texas.
Primary specialty
Pediatrics
Plus 1 subspecialty
Licensed in
NY, TX
2 states
Status
Active
No deactivations on record
Last NPPES update
2025-05-10
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 7055 active pediatrics providers in Texas.
NPI age
5 years
↓ 13 yr below median (18 yr)
State licenses
2 states
Top 91% — 8% of peers are multi-state
Subspecialties
1
In the 23% of peers with subspecialties
NPI lifetime · 2021 → 2026
2021-03Enumerated in NPPES
2021
2026
Where they practice
Practice location
1 Baylor Plz
Houston, TX 770303411
Mailing address
1 Baylor Plz
Houston, TX 770303411
Additional practice locations
1 secondary location on file with NPPES.
Location 2
3959 Broadway
New York, NY 100321559
Specialties
-
Pediatrics PrimaryA pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment...
-
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. 1267 other active providers share this practice address in NPPES.
Recently enumerated nearby: 3 new pediatrics providers have been added in Houston in the last 180 days.
See all →
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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.