William Weir, MD
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Lexington, KY
William Weir, MD is a thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in Lexington, Kentucky, and NPI 1205216132, issued on Jun 5, 2015. Check the license (Kentucky TP678, as entered in NPPES) on the Kentucky Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- William Weir
- Credential
- MD
- Primary taxonomy
- Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X
- License numbers
- TP678 KY
ME163654 FL
Self-reported in NPPES; status is on the state search - Practice location
- 740 S Limestone, Lexington, KY 40536
- Phone
- (859) 323-6494
- Enumerated
- Jun 5, 2015
- Record last updated
- Sep 25, 2025
- Fax
- (859) 257-2573
- Medicare enrollment
- Enrolled (PECOS I20230718000302); accepts Medicare assignment
- Medical or professional school
- University Of Michigan Medical School, 2015
- Entity
- Type 1 · individual
8 nearest thoracic surgery (cardiothoracic vascular surgery) physician records → All 109 in Kentucky → Look up another NPI →
Also registered at 740 S Limestone
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify William Weir in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersKentucky Board of Medical Licensure
Search for license TP678Check 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 practice group's MIPS final score for 2023 (Medicare payment program): 78.2 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- Florida Clinical Practice Association IncGainesville, FL
- Kentucky Medical Services Foundation, IncLexington, KY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Weir among 109 thoracic surgery (cardiothoracic vascular surgery) physician records in Kentucky
William Weir, MD is one of 109 thoracic surgery (cardiothoracic vascular surgery) physician records with a practice address in Kentucky. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 92% of them.
- NPI issued2015 · 92% of these records are older, 5% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2015 · median 2000 among the 79 with a school on file
- Record last updated2025 · 62% 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 Kentucky 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 Kentucky
There are 109 thoracic surgery (cardiothoracic vascular surgery) physician records in Kentucky.
All 109 in Kentucky → Every provider in Lexington → Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician nationwide →
The 8 thoracic surgery (cardiothoracic vascular surgery) physician records with the nearest ZIP codes
- Carl Backer, M.D.Lexington, KY 405361760477608
- Edward Cantu, MDLexington, KY 405361558528166
- Alberto De Hoyos, MDLexington, KY 405361851355333
- Victor Ferraris, MDLexington, KY 405361508821455
- Charles Hoopes, M.D.Lexington, KY 405361699717074
- Suresh Keshavamurthy, M.DLexington, KY 405361215101787
- Matthias Loebe, MDLexington, KY 405361740360148
- Shari Meyerson, M.D.Lexington, KY 405361366402992
Common questions
What is William Weir, MD's NPI number?
William Weir, MD's National Provider Identifier (NPI) is 1205216132, issued on Jun 5, 2015. An NPI identifies a provider in billing; it is not a license.
Where is William Weir, MD located?
The NPPES record lists a practice address at 740 S Limestone, Lexington, KY, 40536. Phone: (859) 323-6494. Providers update this record themselves, so call before visiting.
How can I verify William Weir, MD's license?
NPPES lists Kentucky license number TP678, as entered by the provider. Search the Kentucky Board of Medical Licensure at https://web1.ky.gov/GenSearch/LicenseSearch.aspx?AGY=5. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is William Weir, MD's MIPS final score?
The 2023 MIPS final score is 78.2 of 100, reported for the practice group. 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.