NPI age
20 years
Enumerated 2005-08-12
● Active
Type 1 · Individual
William Daniel Williamson, M.D.
Williamson is 1 of 23 pediatrics providers in Houston and 1 of 112 in Texas.
Primary specialty
Pediatrics
Plus 1 subspecialty
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2008-04-02
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 112 active pediatrics providers in Texas.
NPI age
20 years
↑ 3 yr above median (16 yr)
State licenses
1 state
18% of peers hold multiple states
Subspecialties
1
In the 49% of peers with subspecialties
NPI lifetime · 2005 → 2026
2005-08Enumerated in NPPES
2005
2026
Where they practice
Practice location
6655 Travis St, Suite 880
Houston, TX 770301312
Mailing address
6655 Travis St, Suite 880
Houston, TX 770301312
Specialties
-
Pediatrics PrimaryA developmental-behavioral specialist is a pediatrician with special training and experience who aims to foster understanding and promotion of optimal development of children and families through research, education, clinical care and...
-
PediatricsA pediatrician who specializes in the treatment of individuals with developmental delays and learning disorders associated with cerebral palsy, spina bifida, autism, and other chronic neurologic conditions.
Identifiers
| Type | Value | Notes |
|---|---|---|
| 01 (TX) | 8W7644 | BCBSTX |
Practice context
Part of a multi-provider practice. 40 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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