William Dunn, M.D.
NPI 1881984805 · Emergency Medicine Physician · Little Rock, AR
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Dunn, M.D. is a Emergency Medicine Physician provider in Little Rock, AR (NPI 1881984805).
Provider details
- NPI number
- 1881984805
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 343739 (LA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
15 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
653 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 Moderate Level of Medical Decision Making99284 | 272 | $110 |
| Emergency Department Visit With High Level of Medical Decision Making99285 | 266 | $159 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 45 | $7 |
| Critical Care, First 30-74 Minutes99291 | 38 | $194 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 32 | $63 |
Typical Medicare-allowed amounts for these services range $7–$194 (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 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 47 | 47 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 32 | 31 |
| Naproxen | 32 | 31 |
| Ondansetron Hcl | 31 | 31 |
| Tramadol Hcl | 24 | 24 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 22 | 22 |
| Doxycycline Hyclate | 15 |
Practice location
Mailing address
Additional practice locations (1)
- 4864 Jackson StMonroe, LA 71202-6400Phone: (318) 330-7000
Registry dates
- Enumerated
- 2011-04-11
- Last updated
- 2024-10-24
- Certified
- 2024-10-24
Frequently asked questions
- What is William Dunn's NPI number?
- William Dunn's National Provider Identifier (NPI) is 1881984805, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Dunn's specialty?
- William Dunn is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Dunn located?
- William Dunn's practice location on file with NPPES is 4301 W Markham St, Little Rock, AR 72205-7101.
- What is William Dunn's phone number?
- The practice phone number listed in the NPPES registry for William Dunn is (501) 686-8000.
- Does William Dunn accept Medicare?
- William Dunn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Dunn's NPI active?
- Yes — William Dunn's NPI (1881984805) is active in the NPPES registry as of the last update on 2024-10-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.