WILLIAM ALLEN DUNN M.D.
NPI 1881984805
Emergency Medicine in Little Rock, AR
About William Allen Dunn M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM ALLEN DUNN M.D. (NPI 1881984805) is an individual emergency medicine provider in Little Rock, Arkansas, licensed in Arkansas (E7895) and active in the NPI registry since April 2011. He is enrolled in Medicare PECOS, is affiliated with Ochsner Lsu Health Monroe, and maintains a secondary practice location in Monroe.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Accepted Insurance
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
William Allen Dunn 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
6Medicare enrollment records show William Dunn reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Camden, AR 71701
- Reassigned Medicare billing, Arkansas enrollment
- 100 clinicians in this Medicare group
El Dorado, AR 71730
- Reassigned Medicare billing, Arkansas enrollment
- 19 clinicians in this Medicare group
El Dorado, AR 71730
- Reassigned Medicare billing, Arkansas enrollment
- 103 clinicians in this Medicare group
El Dorado, AR 71730
- Reassigned Medicare billing, Arkansas enrollment
- 88 clinicians in this Medicare group
Shreveport, LA 71103
- Reassigned Medicare billing, Louisiana enrollment
- 1,167 clinicians in this Medicare group
Lubbock, TX 79401
- Reassigned Medicare billing, Arkansas enrollment
- 57 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 5
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ochsner Lsu Health Monroe
Acute Care Hospitals · Monroe, LAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 72205 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.
LITTLE ROCK, AR 72205
LITTLE ROCK, AR 72205
LITTLE ROCK, AR 72205
LITTLE ROCK, AR 72205
LITTLE ROCK, AR 72205
LITTLE ROCK, AR 72205
LITTLE ROCK, AR 72205
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 William Dunn's NPI number?
The NPI number for William Dunn is 1881984805. It was assigned to this individual provider in the NPPES registry on April 11, 2011.
Where is William Dunn located?
William Dunn practices at 4301 W Markham St, Little Rock, AR 72205. The listed phone number is (501) 686-8000.
What is William Dunn's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is William Dunn enrolled in Medicare?
Yes. William Dunn 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 William Dunn's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Dunn reassigns Medicare benefits to 6 organizations: Ouachita County Medical Center (Camden, AR), Concord Company Of Arkansas PLLC (El Dorado, AR), Ess Of El Dorado, LLC (El Dorado, AR), Hcc Of El Dorado LLC (El Dorado, AR), Lsu Health Sciences Center Shreveport Faculty Group Practice (Shreveport, LA) and 1 more organization, listed in the Medicare section above. 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 William Dunn's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Dunn accept?
Health plans from Blue Cross and Blue Shield of Louisiana, HMO Louisiana, Health Advantage and Octave list William Dunn as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is William Dunn affiliated with any hospitals?
According to CMS data, William Dunn is affiliated with Ochsner Lsu Health Monroe.
When was this NPI record last updated?
The NPPES record for William Dunn was last updated on October 24, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# William Allen Dunn, M.D. · NPI 1881984805
Emergency Medicine physician in Little Rock, Arkansas. Individual provider, active in the CMS NPPES registry since April 11, 2011.
## Identity
- **NPI:** 1881984805 (Entity type: Individual)
- **Enumerated:** April 11, 2011
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** E7895 (Arkansas)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 4301 W MARKHAM ST, Little Rock, AR 72205-7101
- **Phone:** (501) 686-8000
## 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:** 6 organizations under Medicare reassignment (form CMS-855R): Ouachita County Medical Center (NPI 1346354826, Camden, AR); Concord Company Of Arkansas PLLC (NPI 1457833014, El Dorado, AR); Ess Of El Dorado, LLC (NPI 1861851131, El Dorado, AR); Hcc Of El Dorado LLC (NPI 1003578725, El Dorado, AR); Lsu Health Sciences Center Shreveport Faculty Group Practice (NPI 1013374222, Shreveport, LA); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Arkansas College Of Medicine, class of 2011
## Record status
- **NPPES last updated:** October 24, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1881984805) · Data from the CMS NPPES public registry.