Leslie E. Mezei, M.D.
Cardiovascular Disease Physician · Saint Louis, MO
Leslie E. Mezei, M.D. is a cardiovascular disease physician with a practice address in Saint Louis, Missouri, and NPI 1992800429, issued on Sep 13, 2006. Check the license (Missouri R3E74, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Leslie E. Mezei
- Credential
- M.D.
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- R3E74 MO
Self-reported in NPPES; status is on the state search - Practice location
- 139 N Central Ave Apt D, Saint Louis, MO 63105
- Phone
- (314) 486-1396
- Enumerated
- Sep 13, 2006
- Record last updated
- Oct 20, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (314) 485-3520
- Medicaid ID
- 202528048 MO
- Medicare enrollment
- Enrolled (PECOS I20091103000404); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 446 in Missouri → Look up another NPI →
Verify Leslie E. Mezei in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license R3E74Check 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): 56.8 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).
Leslie E. Mezei among 446 cardiovascular disease physician records in Missouri
Leslie E. Mezei, M.D. is one of 446 cardiovascular disease physician records with a practice address in Missouri. 81% 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 16% of them.
- NPI issued2006 · 16% of these records are older, 40% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1982 · median 1998 among the 293 with a school on file
- Record last updated2021 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in Missouri
There are 446 cardiovascular disease physician records in Missouri.
All 446 in Missouri → Every provider in Saint Louis → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Jerome Cohen, MDSaint Louis, MO 631051235147109
- J Davis, M.D.Saint Louis, MO 631051366448169
- Abhinav Diwan, MDSaint Louis, MO 631061447215488
- Ali Ehsani, MDSaint Louis, MO 631061841216066
- Divya KapoorSaint Louis, MO 631061629168521
- Sushant Koirala, MDSaint Louis, MO 631041194464636
- Wade Martin III, M.D.Saint Louis, MO 631061902862675
- Pankaj Mathur, MDSaint Louis, MO 631041578986212
Common questions
What is Leslie E. Mezei, M.D.'s NPI number?
Leslie E. Mezei, M.D.'s National Provider Identifier (NPI) is 1992800429, issued on Sep 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Leslie E. Mezei, M.D. located?
The NPPES record lists a practice address at 139 N Central Ave Apt D, Saint Louis, MO, 63105. Phone: (314) 486-1396. Providers update this record themselves, so call before visiting.
How can I verify Leslie E. Mezei, M.D.'s license?
NPPES lists Missouri license number R3E74, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is Leslie E. Mezei, M.D.'s MIPS final score?
The 2023 MIPS final score is 56.8 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.