MARK ALAN HORAN M.D.
NPI 1114989530
Emergency Medicine in Fort Smith, AR
About Mark Alan Horan M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK ALAN HORAN M.D. (NPI 1114989530) is an individual emergency medicine provider in Fort Smith, Arkansas, licensed in Arkansas (C8520) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Texas Medical School At Houston (1992).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 5
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mark Alan Horan M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Mark Horan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Little Rock, AR 72205
- Reassigned Medicare billing, Arkansas enrollment
- 166 clinicians in this Medicare group
Maysville, KY 41056
- Reassigned Medicare billing, Arkansas enrollment
- 310 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 72901 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
FORT SMITH, AR 72901
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Mark Horan's NPI number?
The NPI number for Mark Horan is 1114989530. It was assigned to this individual provider in the NPPES registry on April 3, 2006.
Where is Mark Horan located?
Mark Horan practices at 1001 Towson Ave ER Dept., Fort Smith, AR 72901. The listed phone number is (479) 441-5011.
What is Mark Horan's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Mark Horan enrolled in Medicare?
Yes. Mark Horan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Mark Horan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Horan reassigns Medicare benefits to 2 organizations: Baptist Medcare, Inc (Little Rock, AR) and Southeastern Emergency Physicians LLC (Maysville, KY). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mark Horan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Mark Horan was last updated on October 10, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Mark Alan Horan, M.D. · NPI 1114989530
Emergency Medicine physician in Fort Smith, Arkansas. Individual provider, active in the CMS NPPES registry since April 3, 2006.
## Identity
- **NPI:** 1114989530 (Entity type: Individual)
- **Enumerated:** April 3, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** C8520 (Arkansas)
- **Sole proprietor:** No
## Practice location
- **Address:** 1001 TOWSON AVE, ER DEPT., Fort Smith, AR 72901-4921
- **Phone:** (479) 441-5011 · **Fax:** (405) 749-4561
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Baptist Medcare, Inc (NPI 1699868323, Little Rock, AR); Southeastern Emergency Physicians LLC (NPI 1356379382, Maysville, KY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Texas Medical School At Houston, class of 1992
## Record status
- **NPPES last updated:** October 10, 2008
- **Other identifiers:** Medicare PIN 010054099 (AR); Medicare UPIN F65835 (AR); Medicaid 124673001 (AR); and 2 more
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Source: [NPI Profile](https://npiprofile.com/npi/1114989530) · Data from the CMS NPPES public registry.