NPI age
14 years
Enumerated 2012-03-19
● Active
Type 1 · Individual
DR. William Easton Walker, M.D.
Walker is 1 of 148 thoracic surgery (cardiothoracic vascular surgery) providers in Houston and 1 of 602 in Texas.
Primary specialty
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Plus 1 subspecialty
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2015-04-29
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 602 active thoracic surgery (cardiothoracic vascular surgery) providers in Texas.
NPI age
14 years
↓ 5 yr below median (19 yr)
State licenses
1 state
20% of peers hold multiple states
Subspecialties
1
In the 41% of peers with subspecialties
NPI lifetime · 2012 → 2026
2012-03Enumerated in NPPES
2012
2026
Where they practice
Practice location
2831 Sackett St
Houston, TX 770981125
Mailing address
2831 Sackett St
Houston, TX 770981125
Specialties
-
Thoracic Surgery (Cardiothoracic Vascular Surgery) PrimaryA thoracic surgeon provides the operative, perioperative and critical care of patients with pathologic conditions within the chest. Included is the surgical care of coronary artery disease, cancers of the lung, esophagus and chest wall,...
-
Emergency MedicineAn emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department....
Practice context
Solo or small practice. No other active providers share this practice address in NPPES. This provider is listed as a sole proprietor.
Recently enumerated nearby: 1 new thoracic surgery (cardiothoracic vascular surgery) provider has been added in Houston in the last 180 days.
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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.
- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.