William A. Walker, MD
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Knoxville, TN
William A. Walker, MD is a thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in Knoxville, Tennessee, and NPI 1770551368, issued on Mar 9, 2006. Check the license (Tennessee 14057, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- William A. Walker
- Credential
- MD
- Primary taxonomy
- Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X
- License number
- 14057 TN
Self-reported in NPPES; status is on the state search - Practice location
- 10810 Parkside Dr Ste 208, Knoxville, TN 37934
- Phone
- (865) 647-3350
- Enumerated
- Mar 9, 2006
- Record last updated
- Sep 10, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (865) 647-3359
- Medicaid ID
- 3002187 TN
- Medicare enrollment
- Enrolled (PECOS I20031215000130); accepts Medicare assignment
- Medical or professional school
- University Of South Florida College Of Medicine, 1981
- Entity
- Type 1 · individual
8 nearest thoracic surgery (cardiothoracic vascular surgery) physician records → All 131 in Tennessee → Look up another NPI →
Also registered at 10810 Parkside Dr Ste 208
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Richard Briggs, M.D.Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician1861476038
- Adam Buzzerd, PA CSurgical Physician Assistant1083682579
- Carmen Jeansonne, FNP-BCFamily Nurse Practitioner1659806073
- Sara Kaniper, PASurgical Physician Assistant1407329923
- Darryl Weiman, M.D.Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician1558472043
- Steven Zurlinden, PASurgical Physician Assistant1871640722
Verify William A. Walker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 14057Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The MIPS final score for 2023 (Medicare payment program): 89.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,213.84
39 payments; by number, the most common kind was food and beverage; the largest payer was Atricure, Inc. The 4,047 providers of this specialty with any payment received $7,828.84 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Knoxville Hma Physician Management, LLCKnoxville, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William A. Walker among 131 thoracic surgery (cardiothoracic vascular surgery) physician records in Tennessee
William A. Walker, MD is one of 131 thoracic surgery (cardiothoracic vascular surgery) physician records with a practice address in Tennessee. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 22% of them.
- NPI issued2006 · 22% of these records are older, 46% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated1981 · median 1999 among the 88 with a school on file
- Record last updated2020 · 47% 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 Tennessee 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 Tennessee
There are 131 thoracic surgery (cardiothoracic vascular surgery) physician records in Tennessee.
All 131 in Tennessee → Every provider in Knoxville → Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician nationwide →
The 8 thoracic surgery (cardiothoracic vascular surgery) physician records with the nearest ZIP codes
- Richard Briggs, M.D.Knoxville, TN 379341861476038
- William McAlexander, MDKnoxville, TN 379341073558524
- Darryl Weiman, M.D.Knoxville, TN 379341558472043
- Norbert Baumgartner, MDKnoxville, TN 379231538148630
- David Graham, MDKnoxville, TN 379231962606822
- Brent Grishkin, MDKnoxville, TN 379231003809617
- Thomas Guy, MDKnoxville, TN 379231558308858
- John Hance, MD, MPHKnoxville, TN 379231225321086
Common questions
What is William A. Walker, MD's NPI number?
William A. Walker, MD's National Provider Identifier (NPI) is 1770551368, issued on Mar 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William A. Walker, MD located?
The NPPES record lists a practice address at 10810 Parkside Dr Ste 208, Knoxville, TN, 37934. Phone: (865) 647-3350. Providers update this record themselves, so call before visiting.
How can I verify William A. Walker, MD's license?
NPPES lists Tennessee license number 14057, as entered by the provider. Search the Tennessee Board of Medical Examiners at https://www.tn.gov/health/licensure/me.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is William A. Walker, MD's MIPS final score?
The 2023 MIPS final score is 89.6 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.