Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Mazen Khayat Jr., MD

Individual provider Internal Medicine Physician · NPI 1285681312

Mazen Khayat Jr., MD is an Emergency Medicine in Louisville, Kentucky. Qualified in 1977, 49 years ago. Practices with Clarksville Emergency Group PC, a 152-clinician group and accepts Medicare assignment. Licensed in Indiana.

Years since qualifying
49
Licensed in
IN
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

801 Barret Ave Ste 104
Louisville, KY 40204-1747
Phone: (502) 589-9310
Fax: (502) 583-5560
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 01044238A (IN)
Internal Medicine Physician Taxonomy 207R00000X · Licence 01044238A (IN)

Record details

NPI number1285681312
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 26, 2006
Last updated in NPPESApril 5, 2022
Certification dateApril 5, 2022

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyEMERGENCY MEDICINE
Medical schoolOTHER
Graduated 1977 (49 years in practice)
Group practice Clarksville Emergency Group Pc — 152 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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