Felix Wang Tsai, M.D.
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Louisville, KY
Felix Wang Tsai, M.D. is a thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in Louisville, Kentucky, and NPI 1972703015, issued on Jul 18, 2007. Check the license (Kentucky 61904, as entered in NPPES) on the Kentucky Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- Felix Wang Tsai
- Credential
- M.D.
- Primary taxonomy
- Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X
- License numbers
- 61904 KY
27000 SC
FTL 41883 TX
N1191 TX
0101249419 VA
Self-reported in NPPES; status is on the state search - Practice location
- 411 E Chestnut St, Louisville, KY 40202
- Phone
- (502) 588-7641
- Enumerated
- Jul 18, 2007
- Record last updated
- Mar 26, 2026
- Fax
- (502) 588-7700
- Medicaid IDs
- 5917693 NC
1972703015 VA
189048503 TX
189048501 TX - Medicare enrollment
- Enrolled (PECOS I20260422002340); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest thoracic surgery (cardiothoracic vascular surgery) physician records → All 109 in Kentucky → Look up another NPI →
Also registered at 411 E Chestnut St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Christopher Barton, MDNeurology with Special Qualifications in Child Neurology Physician1841617727
- Stephanie Barton, D.O.Pediatric Rehabilitation Medicine Physician1912438979
- Scott Bickel, MDPediatric Pulmonology Physician1912221623
- Allison Black, MDPediatric Cardiology Physician1528485406
Verify Felix Wang Tsai in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersKentucky Board of Medical Licensure
Search for license 61904Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Norton Childrens Medical Group LLCLouisville, KY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Felix Wang Tsai among 109 thoracic surgery (cardiothoracic vascular surgery) physician records in Kentucky
Felix Wang Tsai, M.D. 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 2007, is newer than 57% of them.
- NPI issued2007 · 57% of these records are older, 31% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2023 · median 2000 among the 79 with a school on file
- Record last updated2026 · 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 Louisville → Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician nationwide →
The 8 thoracic surgery (cardiothoracic vascular surgery) physician records with the nearest ZIP codes
- Erle Austin, M.D.Louisville, KY 402021710926290
- Ronald Barbie, MDLouisville, KY 402021821004367
- Roy Bowling, MDLouisville, KY 402021871525865
- Matthew Fox, M.D.Louisville, KY 402021861513541
- Brian Ganzel, M.D.Louisville, KY 402021447206826
- William Hymes, M.D.Louisville, KY 402021770534232
- Brian Kogon, MDLouisville, KY 402021811086515
- Deborah Kozik, DOLouisville, KY 402021477609154
Common questions
What is Felix Wang Tsai, M.D.'s NPI number?
Felix Wang Tsai, M.D.'s National Provider Identifier (NPI) is 1972703015, issued on Jul 18, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Felix Wang Tsai, M.D. located?
The NPPES record lists a practice address at 411 E Chestnut St, Louisville, KY, 40202. Phone: (502) 588-7641. Providers update this record themselves, so call before visiting.
How can I verify Felix Wang Tsai, M.D.'s license?
NPPES lists Kentucky license number 61904, 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.
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.