MATTHEW WESLEY HARRISON MD
NPI 1912403445
Emergency Medicine in Little Rock, AR
About Matthew Wesley Harrison Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MATTHEW WESLEY HARRISON MD (NPI 1912403445) is an individual emergency medicine provider in Little Rock, Arkansas, licensed in Arkansas (E-14003) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS, maintains a secondary practice location in Benton, and is a graduate of Other (2018).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 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
Matthew Wesley Harrison Md 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 Matthew Harrison 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 72211
- Reassigned Medicare billing, Arkansas enrollment
- 169 clinicians in this Medicare group
- Reassigned Medicare billing, Arkansas enrollment
- 66 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 72211 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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 72211
LITTLE ROCK, AR 72211
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 Matthew Harrison's NPI number?
The NPI number for Matthew Harrison is 1912403445. It was assigned to this individual provider in the NPPES registry on April 3, 2018.
Where is Matthew Harrison located?
Matthew Harrison practices at 1701 S Shackleford Rd, Little Rock, AR 72211. The listed phone number is (501) 219-7000.
What is Matthew Harrison's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Matthew Harrison enrolled in Medicare?
Yes. Matthew Harrison 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 Matthew Harrison's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Harrison reassigns Medicare benefits to 2 organizations: Arkansas Heart Hospital, LLC (Little Rock, AR) and Greenbrier Emergency Services, Inc. (AR). 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 Matthew Harrison's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Matthew Harrison accept?
Health plans from Health Advantage and Octave list Matthew Harrison 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.
When was this NPI record last updated?
The NPPES record for Matthew Harrison was last updated on March 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Matthew Wesley Harrison, MD · NPI 1912403445
Emergency Medicine physician in Little Rock, Arkansas. Individual provider, active in the CMS NPPES registry since April 3, 2018.
## Identity
- **NPI:** 1912403445 (Entity type: Individual)
- **Enumerated:** April 3, 2018
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** E-14003 (Arkansas)
- **Sole proprietor:** No
## Practice location
- **Address:** 1701 S SHACKLEFORD RD, Little Rock, AR 72211-4335
- **Phone:** (501) 219-7000
## 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): Arkansas Heart Hospital, LLC (NPI 1558653212, Little Rock, AR); Greenbrier Emergency Services, Inc. (AR) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** March 7, 2023
- **Other identifiers:** Other E-14003 (AR)
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Source: [NPI Profile](https://npiprofile.com/npi/1912403445) · Data from the CMS NPPES public registry.