Mark Horan, M.D.
NPI 1114989530 · Emergency Medicine Physician · Fort Smith, AR
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Horan, M.D. is a Emergency Medicine Physician provider in Fort Smith, AR (NPI 1114989530).
Provider details
- NPI number
- 1114989530
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- C8520 (AR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
636 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 448 | $159 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 162 | $110 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 26 | $65 |
Typical Medicare-allowed amounts for these services range $65–$159 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tramadol Hcl | 39 | 39 |
| Cephalexin | 37 | 37 |
| Ondansetronbrand: Ondansetron Odt | 29 | 29 |
| Prednisone | 22 | 22 |
| Meloxicam | 15 | 15 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 15 | 15 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$23 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-03
- Last updated
- 2008-10-10
Frequently asked questions
- What is Mark Horan's NPI number?
- Mark Horan's National Provider Identifier (NPI) is 1114989530, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Horan's specialty?
- Mark Horan is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Horan located?
- Mark Horan's practice location on file with NPPES is 1001 Towson Ave, Fort Smith, AR 72901-4921.
- What is Mark Horan's phone number?
- The practice phone number listed in the NPPES registry for Mark Horan is (479) 441-5011.
- Does Mark Horan accept Medicare?
- Mark Horan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Horan's NPI active?
- Yes — Mark Horan's NPI (1114989530) is active in the NPPES registry as of the last update on 2008-10-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.