RYAN R MATTHEWS MD
NPI 1558893040
Emergency Medicine in Little Rock, AR
About Ryan R Matthews Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RYAN R MATTHEWS MD (NPI 1558893040) is an individual emergency medicine provider in Little Rock, Arkansas, licensed in Indiana (01083322A) and active in the NPI registry since April 2017. He is enrolled in Medicare PECOS, is affiliated with Indiana University Health Bloomington Hospital, and maintains a secondary practice location in Bloomington.
NPPES Registry Identity
Specialties & Licenses 2
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
Ryan R Matthews 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 Ryan Matthews reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Bloomington, IN 47408
- Reassigned Medicare billing, Indiana enrollment
- 783 clinicians in this Medicare group
Indianapolis, IN 46202
- Reassigned Medicare billing, Indiana enrollment
- 5,212 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 4
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Indiana University Health Bloomington Hospital
Acute Care Hospitals · Bloomington, INIndiana University Health
Acute Care Hospitals · Indianapolis, INIndiana University Health Paoli Hospital
Critical Access Hospitals · Paoli, INIndiana University Health Bedford Hospital
Critical Access Hospitals · Bedford, INPhysician 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
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 Ryan Matthews's NPI number?
The NPI number for Ryan Matthews is 1558893040. It was assigned to this individual provider in the NPPES registry on April 3, 2017.
Where is Ryan Matthews located?
Ryan Matthews practices at 4301 W Markham St # 584, Little Rock, AR 72205. The listed phone number is (501) 686-8166.
What is Ryan Matthews's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Ryan Matthews enrolled in Medicare?
Yes. Ryan Matthews 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 Ryan Matthews's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ryan Matthews reassigns Medicare benefits to 2 organizations: Indiana University Health Southern Indiana Physicians, LLC (Bloomington, IN) and Iu Health Medical Group, LLC (Indianapolis, IN). 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 Ryan Matthews's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ryan Matthews accept?
Health plans from Anthem Blue Cross and Blue Shield list Ryan Matthews 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 Ryan Matthews affiliated with any hospitals?
According to CMS data, Ryan Matthews is affiliated with Indiana University Health Bloomington Hospital, Indiana University Health, Indiana University Health Paoli Hospital and Indiana University Health Bedford Hospital.
When was this NPI record last updated?
The NPPES record for Ryan Matthews was last updated on January 10, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Ryan R Matthews, MD · NPI 1558893040
Emergency Medicine physician in Little Rock, Arkansas. Individual provider, active in the CMS NPPES registry since April 3, 2017.
## Identity
- **NPI:** 1558893040 (Entity type: Individual)
- **Enumerated:** April 3, 2017
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 01083322A (Indiana)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 4301 W MARKHAM ST # 584, Little Rock, AR 72205-7101
- **Phone:** (501) 686-8166
## 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): Indiana University Health Southern Indiana Physicians, LLC (NPI 1013953983, Bloomington, IN); Iu Health Medical Group, LLC (NPI 1326893777, Indianapolis, IN) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Indiana University School Of Medicine, class of 2017
## Record status
- **NPPES last updated:** January 10, 2022
---
Source: [NPI Profile](https://npiprofile.com/npi/1558893040) · Data from the CMS NPPES public registry.