Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Mark Alan Horan, MD

Individual provider Emergency Medicine Physician · NPI 1114989530

Mark Alan Horan, MD practises Emergency Medicine in Fort Smith, Arkansas. Graduated from University of Texas Medical School at Houston in 1992, 34 years ago. Practices with Southeastern Emergency Physicians LLC, a 786-clinician group and accepts Medicare assignment. Licensed in Arkansas.

Years since qualifying
34
Trained at
University of Texas Medical School at Houston
Licensed in
AR
In the registry since
2006
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

1001 Towson Ave ER Dept
Fort Smith, AR 72901-4921 Not confirmed with CMS for 18 years — call before visiting
Phone: (479) 441-5011
Fax: (405) 749-4561
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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 C8520 (AR)

Record details

NPI number1114989530
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 3, 2006
Last updated in NPPESOctober 10, 2008

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolUNIVERSITY OF TEXAS MEDICAL SCHOOL AT HOUSTON
Graduated 1992 (34 years in practice)
Group practice Southeastern Emergency Physicians Llc — 786 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients578
Services billed 677 a service is one billed item, such as a visit, a test or a procedure
Average patient age73

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at Southeastern Emergency Physicians LLC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 786 clinicians in the practice; 12 are shown here.

Other providers in Fort Smith