NPPES file of Aug 9, 2026

Ryan R. Matthews, MD

Emergency Medicine Physician · Little Rock, AR

Ryan R. Matthews, MD is an emergency medicine physician with a practice address in Little Rock, Arkansas, and NPI 1558893040, issued on Apr 3, 2017. Check the license on the Arkansas State Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1558893040
Name
Ryan R. Matthews
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
01083322A IN
Self-reported in NPPES; status is on the state search
Practice location
4301 W Markham St # 584, Little Rock, AR 72205
Phone
(501) 686-8166
Enumerated
Apr 3, 2017
Record last updated
Jan 10, 2022
Medicare enrollment
Enrolled (PECOS I20200625000719); accepts Medicare assignment
Medical or professional school
Indiana University School Of Medicine, 2017
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 4301 W Markham St # 584

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ann-Marie Alexander, PA-CPhysician Assistant1780274043
  2. Jason Arthur, MDEmergency Medicine Physician1225423387
  3. Gitansh Bhargava, DOEmergency Medicine Physician1033748553
  4. Ashley BosheEmergency Medicine Physician1740921774
  5. Carol Bowerman, PA-CPhysician Assistant1346029485
  6. Cara Cadzow, APRNAcute Care Nurse Practitioner1669058012

Verify Ryan R. Matthews in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArkansas State Medical BoardCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Arkansas license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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12% fewer Medicare Part D claims than the average emergency medicine physician in 2024

199 Medicare Part D claims for 143 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 27 claims were for opioids.

  1. Ryan Matthews199
  2. Specialty average226

Most prescribed

  1. Oxycodone Hcl23 claims
  2. Prednisone20 claims
  3. Cephalexin19 claims
  4. Doxycycline Hyclate14 claims
  5. Ondansetron Odt12 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through 2 group practices

  1. Indiana University Health Southern Indiana Physicians LLCBloomington, IN
  2. IU Health Medical Group LLCIndianapolis, IN

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Ryan R. Matthews among 447 emergency medicine physician records in Arkansas

Ryan R. Matthews, MD is one of 447 emergency medicine physician records with a practice address in Arkansas. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 75% of them.

  • NPI issued2017 · 75% of these records are older, 21% newer
  • In a Medicare fileYes · 87% of these records are
  • In the CMS Doctors and Clinicians fileYes · 67% of these records are
  • Graduated2017 · median 2011 among the 301 with a school on file
  • Record last updated2022 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Arkansas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

139 emergency medicine physician records list a practice address in Little Rock

They are 139 of the 13,172 NPPES records with a practice address in Little Rock, and 447 emergency medicine physician records in Arkansas.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. C.e. Ballard, M.D.Little Rock, AR 722051568571677
  2. Gregory Bledsoe, M.D.Little Rock, AR 722051871559559
  3. Loretta Depalo, M.D.Little Rock, AR 722051962457390
  4. Richard Doncer, MDLittle Rock, AR 722051962455212
  5. Lane England, M.D.Little Rock, AR 722051215964077
  6. Karla Jones-Montgomery, MDLittle Rock, AR 722051700893690
  7. Jay Marks, MDLittle Rock, AR 722051881708154
  8. Charles Mason, M.D.Little Rock, AR 722051346232774

Common questions

What is Ryan R. Matthews, MD's NPI number?

Ryan R. Matthews, MD's National Provider Identifier (NPI) is 1558893040, issued on Apr 3, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Ryan R. Matthews, MD located?

The NPPES record lists a practice address at 4301 W Markham St # 584, Little Rock, AR, 72205. Phone: (501) 686-8166. Providers update this record themselves, so call before visiting.

How can I verify Ryan R. Matthews, MD's license?

Search the Arkansas State Medical Board at https://armedicalboard.adh.arkansas.gov/public/verify/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Ryan R. Matthews, MD prescribe under Medicare Part D?

In 2024, Ryan R. Matthews, MD had 199 Medicare Part D claims for 143 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.