Registry data as of Aug 27, 2026

William Dyer, M.D.

Gastroenterology Physician · Mountain Home, AR

William Dyer, M.D. is a gastroenterology physician with a practice address in Mountain Home, Arkansas, and NPI 1437114717, issued on Apr 19, 2006. Check the license (Arkansas R3839, as entered in NPPES) on the Arkansas State Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1437114717
Name
William Dyer
Credential
M.D.
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
R3839 AR
Self-reported in NPPES; status is on the state search
Practice location
228 Bucher Dr, Mountain Home, AR 72653
Phone
(870) 425-4416
Enumerated
Apr 19, 2006
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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Also registered at 228 Bucher Dr

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

  1. Patricia Acklin, APRNFamily Nurse Practitioner1184293383
  2. Abodunrin Badejo, M.D.Gastroenterology Physician1831157551
  3. Kirsten Cotter, APRNGastroenterology Physician1851218192
  4. Carmel Kruse, FNPBCNurse Practitioner1720271711
  5. Amanda Stricklin, APRNGerontology Nurse Practitioner1326857863

Verify William Dyer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArkansas State Medical Board
    Search for license R3839
    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
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.

3% more Medicare Part D claims than the average gastroenterology physician in 2024

872 Medicare Part D claims for 262 beneficiaries, against an average of 848 among the 13,066 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.

  1. William Dyer872
  2. Specialty average848

Most prescribed

  1. Pantoprazole Sodium254 claims
  2. Metoclopramide Hcl75 claims
  3. Peg-3350 And Electrolytes43 claims
  4. Omeprazole42 claims
  5. Sucralfate34 claims
  6. Azathioprine30 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.

Industry payments in 2024: $14.48

1 payment, mostly food and beverage; the largest payer was Medtronic, Inc.. The 10,593 providers of this specialty with any payment received $4,948.62 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. William Dyer$14.48
  2. Specialty average$4,948.62

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital or facility affiliation

  1. Baxter County Regional Hospital IncMountain Home, AR

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Gastroenterology Physician providers in Arkansas

There are 105 gastroenterology physician records in Arkansas.

Other gastroenterology physician records in Arkansas

  1. Jose Albisu, M.D.Little Rock, AR1336272913
  2. Meer Ali, M.D.Pine Bluff, AR1770775157
  3. Ioannis AnastasiouLittle Rock, AR1104201532
  4. Terence Angtuaco, M.D.Little Rock, AR1497790877
  5. John Baber, MDLittle Rock, AR1699762484
  6. David Backstedt, MDLittle Rock, AR1245587203
  7. Abodunrin Badejo, M.D.Mountain Home, AR1831157551
  8. Ranga Balasekaran, MDSpringdale, AR1518965813
  9. Terri Blackstock, M.D.Hot Springs, AR1881696433
  10. James Blake, DOPine Bluff, AR1720176381

Common questions

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

William Dyer, M.D.'s National Provider Identifier (NPI) is 1437114717, issued on Apr 19, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William Dyer, M.D. located?

The NPPES record lists a practice address at 228 Bucher Dr, Mountain Home, AR, 72653. Phone: (870) 425-4416. Providers update this record themselves, so call before visiting.

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

NPPES lists Arkansas license number R3839, as entered by the provider. 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 William Dyer, M.D. prescribe under Medicare Part D?

In 2024, William Dyer, M.D. had 872 Medicare Part D claims for 262 beneficiaries; the average among gastroenterology physician prescribers was 848. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.