Mazen Khayat, M.D.
Emergency Medicine Physician · Louisville, KY
Mazen Khayat, M.D. is an emergency medicine physician with a practice address in Louisville, Kentucky, and NPI 1285681312, issued on May 26, 2006. Check the license on the Kentucky Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- Mazen Khayat
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 01044238A IN
Self-reported in NPPES; status is on the state search - Practice location
- 801 Barret Ave, Louisville, KY 40204
- Phone
- (502) 589-9310
- Enumerated
- May 26, 2006
- Record last updated
- Apr 5, 2022
- Fax
- (502) 583-5560
- Medicaid ID
- 200065880 IN
- Medicare enrollment
- Enrolled (PECOS I20060125000443); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 903 in Kentucky → Look up another NPI →
Also registered at 801 Barret Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mazen Khayat in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersKentucky Board of Medical LicensureCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
14% more Medicare Part D claims than the average emergency medicine physician in 2024
257 Medicare Part D claims for 160 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Tizanidine Hcl22 claims
- Etodolac19 claims
- Montelukast Sodium14 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 89.6 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).
Bills Medicare through 2 group practices
- Clarksville Emergency Group PCCorydon, IN
- Empact Midwest LLCHarrodsburg, KY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mazen Khayat among 903 emergency medicine physician records in Kentucky
Mazen Khayat, M.D. is one of 903 emergency medicine physician records with a practice address in Kentucky. 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 7% of them.
- NPI issued2006 · 7% of these records are older, 55% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1977 · median 2011 among the 557 with a school on file
- Record last updated2022 · 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 207P00000X and a Kentucky practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in Kentucky
There are 903 emergency medicine physician records in Kentucky.
All 903 in Kentucky → Every provider in Louisville → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Mark Henderson, MDLouisville, KY 402031255372868
- Valerie King, M.D.Louisville, KY 402051912169673
- Stacey Merritt-Jenney, MDLouisville, KY 402051467568741
- Devin Sandlin, M.D.Louisville, KY 402051366679342
- Hugh Shoff, M.D., M.S.Louisville, KY 402051174822332
- Dominic Aiello, MDLouisville, KY 402021215687322
- Brian Barhorst, M.D.Louisville, KY 402061659357127
- Amy Beard, DOLouisville, KY 402021902556442
Common questions
What is Mazen Khayat, M.D.'s NPI number?
Mazen Khayat, M.D.'s National Provider Identifier (NPI) is 1285681312, issued on May 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mazen Khayat, M.D. located?
The NPPES record lists a practice address at 801 Barret Ave, Louisville, KY, 40204. Phone: (502) 589-9310. Providers update this record themselves, so call before visiting.
How can I verify Mazen Khayat, M.D.'s license?
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.
How much does Mazen Khayat, M.D. prescribe under Medicare Part D?
In 2024, Mazen Khayat, M.D. had 257 Medicare Part D claims for 160 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Mazen Khayat, M.D.'s MIPS final score?
The 2023 MIPS final score is 89.6 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.