Doctor profile · Federal record

Dr. Mark Horan, M.D.

Emergency Medicine Physician (CMS: Emergency Medicine) · Fort Smith, AR

  • NPI 1114989530
  • Accepts Medicare
  • 34 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1001 Towson Ave, ER Dept.
Fort Smith, AR 729014921
(479) 441-5011
fax (405) 749-4561
Mailing address
4401 W Memorial RD, Suite 121
Oklahoma City, OK 731341785

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
October 10, 2008
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Arkansas #C8520
Medicaid (2)
OK #100029050A · AR #124673001

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1114989530. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
859
Distinct HCPCS
4
Medicare allowed
$99,026
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 460 431 $163
99284 Emergency department visit with moderate level of medical decision making 196 190 $111
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 188 182 $8
99283 Emergency department visit with low level of medical decision making 15 15 $66

In context: peer comparison

Among 18 peers in Fort Smith Emergency Medicine Physician, average services per provider: 174. This provider delivers 4.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$23
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Abbott Laboratories 1 $23.21

By nature of payment

Food and Beverage
$23

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
294
Patients
282
Total drug cost
$2,157
Drug Type Claims Patients Total cost
Ondansetron Odt (Ondansetron) Brand 44 42 $321
Prednisone Generic 42 42 $212
Tramadol Hcl Generic 35 35 $77
Meloxicam Generic 31 30 $72
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 23 16 $690
Cephalexin Generic 23 22 $148
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 17 17 $117
Levofloxacin Generic 17 17 $76
Clindamycin Hcl Generic 14 14 $125
Pantoprazole Sodium Generic 14 13 $76

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Horan's medical specialty?
Dr. Mark Horan practices Emergency Medicine Physician in Fort Smith, AR.
Where does Dr. Mark Horan practice?
Dr. Mark Horan practices at 1001 Towson Ave, Fort Smith, AR 729014921. Office phone: 4794415011.
What is Dr. Mark Horan's NPI?
Dr. Mark Horan's National Provider Identifier (NPI) is 1114989530, issued by NPPES.
Does Dr. Mark Horan accept Medicare assignment?
Yes. Dr. Mark Horan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Horan commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010). Source: CMS Medicare Physician & Other Practitioners file.