NPPES file of Aug 9, 2026

William Edward Harrison, M.D.

Specialist · Little Rock, AR

William Edward Harrison, M.D. is a specialist with a practice address in Little Rock, Arkansas, and NPI 1902874340, issued on Mar 10, 2006. Check the license (Arkansas C4600, as entered in NPPES) with the Arkansas board that licenses this profession; 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
1902874340
Name
William Edward Harrison
Credential
M.D.
Primary taxonomy
Specialist 174400000X
License number
C4600 AR
Self-reported in NPPES; status is on the state search
Practice location
500 S University Ave, Little Rock, AR 72205
Phone
(591) 664-9232
Enumerated
Mar 10, 2006
Record last updated
Jul 13, 2026
Fax
(501) 664-8227
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest specialist records → All 502 in Arkansas → Look up another NPI →

Also registered at 500 S University Ave

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

  1. Dana Abraham, M.D.Surgery Physician1164468567
  2. Zada Adametz, CRNACertified Registered Nurse Anesthetist1346421690
  3. Cheryl Ahart, M.D.Pediatrics Physician1407891724
  4. Shawn Alberti, CRNACertified Registered Nurse Anesthetist1659349892
  5. Albert Alexander, MDDiagnostic Radiology Physician1609863943
  6. Brian Alexander, M.D.Anesthesiology Physician1922094846

Verify William Edward Harrison in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Arkansas board licenses this profession
    Search for license C4600    Check 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
Find the Arkansas license search

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98% fewer Medicare Part D claims than the average specialist in 2024

30 Medicare Part D claims, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D.

  1. William Harrison30
  2. Specialty average1,380

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.

William Edward Harrison among 502 specialist records in Arkansas

William Edward Harrison, M.D. is one of 502 specialist records with a practice address in Arkansas. 18% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 67% newer
  • In a Medicare fileYes · 18% of these records are
  • In the CMS Doctors and Clinicians fileNo · 11% of these records are
  • Record last updated2026 · 80% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a Arkansas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Specialist providers in Arkansas

There are 502 specialist records in Arkansas.

All 502 in Arkansas → Every provider in Little Rock → Specialist nationwide →

The 8 specialist records with the nearest ZIP codes

  1. Alonzo Burba, M.D.Little Rock, AR 722051790754133
  2. Kent Davidson, MDLittle Rock, AR 722051689648396
  3. Jim English, M.D.Little Rock, AR 722051639158397
  4. C Greenway, M.D.Little Rock, AR 722051891799722
  5. Doyle Johnson, M.D.Little Rock, AR 722051710967278
  6. James Landers, M.D.Little Rock, AR 722051467434084
  7. Edward Love, MDLittle Rock, AR 722051356312490
  8. Keith Morris, M.D.Little Rock, AR 722051841281334

Common questions

What is William Edward Harrison, M.D.'s NPI number?

William Edward Harrison, M.D.'s National Provider Identifier (NPI) is 1902874340, issued on Mar 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William Edward Harrison, M.D. located?

The NPPES record lists a practice address at 500 S University Ave, Little Rock, AR, 72205. Phone: (591) 664-9232. Providers update this record themselves, so call before visiting.

How can I verify William Edward Harrison, M.D.'s license?

NPPES lists Arkansas license number C4600, as entered by the provider. Search the Arkansas board that licenses this profession; the NPPES record confirms identity only.

How much does William Edward Harrison, M.D. prescribe under Medicare Part D?

In 2024, William Edward Harrison, M.D. had 30 Medicare Part D claims; the average among specialist prescribers was 1,380. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.