Thomas T. Tsai, MD
Internal Medicine Physician · Las Vegas, NV
Thomas T. Tsai, MD is an internal medicine physician with a practice address in Las Vegas, Nevada, and NPI 1023370871, issued on Jun 7, 2012. Check the license (Nevada 15792, as entered in NPPES) on the Nevada State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Thomas T. Tsai
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 15792 NV
Self-reported in NPPES; status is on the state search - Practice location
- 1701 W Charleston Blvd Ste 230, Las Vegas, NV 89102
- Phone
- (702) 671-2345
- Enumerated
- Jun 7, 2012
- Record last updated
- Jul 14, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (702) 671-2376
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,229 in Nevada → Look up another NPI →
Also registered at 1701 W Charleston Blvd Ste 230
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Thomas T. Tsai in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNevada State Board of Medical Examiners
Search for license 15792Check 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): 74.6 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).
Thomas T. Tsai among 1,229 internal medicine physician records in Nevada
Thomas T. Tsai, MD is one of 1,229 internal medicine physician records with a practice address in Nevada. 82% 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 61% of them.
- NPI issued2012 · 61% of these records are older, 37% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2015 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Nevada practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
716 internal medicine physician records list a practice address in Las Vegas
They are 716 of the 65,269 NPPES records with a practice address in Las Vegas, and 1,229 internal medicine physician records in Nevada.
All 1,229 in Nevada → Every provider in Las Vegas → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Adelaida Aranas, MDLas Vegas, NV 891021295727923
- Lonnie Empey, D.O.Las Vegas, NV 891021407838584
- Cynthia Esguerra Teh, M.D.Las Vegas, NV 891021487655304
- William Gramlich, MDLas Vegas, NV 891021891765707
- Michael Jacobs, M.D., PH.D.Las Vegas, NV 891021053300913
- George Kaiser, M.D.Las Vegas, NV 891021710965348
- Nazia Khan, M.D.Las Vegas, NV 891021508844119
- Alan Marvin, MDLas Vegas, NV 891021326011800
Common questions
What is Thomas T. Tsai, MD's NPI number?
Thomas T. Tsai, MD's National Provider Identifier (NPI) is 1023370871, issued on Jun 7, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Thomas T. Tsai, MD located?
The NPPES record lists a practice address at 1701 W Charleston Blvd Ste 230, Las Vegas, NV, 89102. Phone: (702) 671-2345. Providers update this record themselves, so call before visiting.
How can I verify Thomas T. Tsai, MD's license?
NPPES lists Nevada license number 15792, as entered by the provider. Search the Nevada State Board of Medical Examiners at https://medboard.nv.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is Thomas T. Tsai, MD's MIPS final score?
The 2023 MIPS final score is 74.6 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.