William Easton Walker, M.D.
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Houston, TX
William Easton Walker, M.D. is a thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in Houston, Texas, and NPI 1619242047, issued on Mar 19, 2012. Check the license (Texas F6158, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- William Easton Walker
- Credential
- M.D.
- Primary taxonomy
- Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X
- License number
- F6158 TX
Self-reported in NPPES; status is on the state search - Practice location
- 2831 Sackett St, Houston, TX 77098
- Phone
- (713) 520-0021
- Enumerated
- Mar 19, 2012
- Record last updated
- Apr 29, 2015 (not updated in 11 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest thoracic surgery (cardiothoracic vascular surgery) physician records → All 484 in Texas → Look up another NPI →
Verify William Easton Walker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license F6158Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
51% fewer Medicare Part D claims than the average thoracic surgery (cardiothoracic vascular surgery) physician in 2024
49 Medicare Part D claims, against an average of 101 among the 2,587 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
William Easton Walker among 484 thoracic surgery (cardiothoracic vascular surgery) physician records in Texas
William Easton Walker, M.D. is one of 484 thoracic surgery (cardiothoracic vascular surgery) physician records with a practice address in Texas. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 79% of them.
- NPI issued2012 · 79% of these records are older, 18% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 64% of these records are
- Record last updated2015 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208G00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician providers in Texas
There are 484 thoracic surgery (cardiothoracic vascular surgery) physician records in Texas.
All 484 in Texas → Every provider in Houston → Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician nationwide →
The 8 thoracic surgery (cardiothoracic vascular surgery) physician records with the nearest ZIP codes
- Harry King, MD PAHouston, TX 770981811185200
- Javier Lafuente, M.D.Houston, TX 770941467481721
- Devinder Bhatia, M.D.Houston, TX 770901073517702
- Dan Loberman, M.D.Houston, TX 770901578823043
- Keshava Rajagopal, MD PHDHouston, TX 770901295993889
- Michael Lopez, D.O.Houston, TX 770891285096271
- Robert McKowen, M.D.Houston, TX 770821861534828
- Robert Baldwin, MDHouston, TX 770741154321487
Common questions
What is William Easton Walker, M.D.'s NPI number?
William Easton Walker, M.D.'s National Provider Identifier (NPI) is 1619242047, issued on Mar 19, 2012. An NPI identifies a provider in billing; it is not a license.
Where is William Easton Walker, M.D. located?
The NPPES record lists a practice address at 2831 Sackett St, Houston, TX, 77098. Phone: (713) 520-0021. Providers update this record themselves, so call before visiting.
How can I verify William Easton Walker, M.D.'s license?
NPPES lists Texas license number F6158, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William Easton Walker, M.D. prescribe under Medicare Part D?
In 2024, William Easton Walker, M.D. had 49 Medicare Part D claims; the average among thoracic surgery (cardiothoracic vascular surgery) physician prescribers was 101. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.