Mark T. Henderson, MD
Emergency Medicine Physician · Louisville, KY
Mark T. Henderson, MD is an emergency medicine physician with a practice address in Louisville, Kentucky, and NPI 1255372868, issued on Jun 8, 2006. Check the license (Kentucky 33009, as entered in NPPES) on the Kentucky Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- Mark T. Henderson
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 33009 KY
Self-reported in NPPES; status is on the state search - Practice location
- 812 S 3RD St, Louisville, KY 40203
- Phone
- (502) 290-2501
- Enumerated
- Jun 8, 2006
- Record last updated
- Dec 19, 2024
- Fax
- (502) 287-1775
- Medicaid ID
- 64330095 KY
- Medicare enrollment
- Enrolled (PECOS I20241216002924); accepts Medicare assignment
- Medical or professional school
- Louisiana State University School Of Medicine In New Orleans, 1996
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 903 in Kentucky → Look up another NPI →
Also registered at 812 S 3RD St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jarrod WilliamsPharmacist1407439680
Verify Mark T. Henderson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersKentucky Board of Medical Licensure
Search for license 33009Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average emergency medicine physician in 2024
33 Medicare Part D claims for 24 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
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.
Bills Medicare through one group practice
- MD Ally Services PAPhoenix, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark T. Henderson among 903 emergency medicine physician records in Kentucky
Mark T. Henderson, MD 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
- Graduated1996 · median 2011 among the 557 with a school on file
- Record last updated2024 · 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
- Dominic Aiello, MDLouisville, KY 402021215687322
- Amy Beard, DOLouisville, KY 402021902556442
- Adriana Carolina Candelaria JimenezLouisville, KY 402021174132955
- John Cook, DOLouisville, KY 402021831727726
- Emma FoxLouisville, KY 402021063033892
- Kristine GrahamLouisville, KY 402021457148637
- Maritza Kelesis, MDLouisville, KY 402021073216040
- Mazen Khayat, M.D.Louisville, KY 402041285681312
Common questions
What is Mark T. Henderson, MD's NPI number?
Mark T. Henderson, MD's National Provider Identifier (NPI) is 1255372868, issued on Jun 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark T. Henderson, MD located?
The NPPES record lists a practice address at 812 S 3RD St, Louisville, KY, 40203. Phone: (502) 290-2501. Providers update this record themselves, so call before visiting.
How can I verify Mark T. Henderson, MD's license?
NPPES lists Kentucky license number 33009, 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.
How much does Mark T. Henderson, MD prescribe under Medicare Part D?
In 2024, Mark T. Henderson, MD had 33 Medicare Part D claims for 24 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
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.