NPPES file of Aug 9, 2026

John Thomas Isbell, DDS

Dentist · Mountain View, AR

John Thomas Isbell, DDS is a dentist with a practice address in Mountain View, Arkansas, and NPI 1396435483, issued on May 11, 2023. Check the license (Arkansas 4660, 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
1396435483
Name
John Thomas Isbell
Credential
DDS
Primary taxonomy
Dentist 122300000X
License number
4660 AR
Self-reported in NPPES; status is on the state search
Practice location
1510 E Main St, Mountain View, AR 72560
Phone
(870) 269-3828
Enumerated
May 11, 2023
Record last updated
May 11, 2023
Fax
(870) 269-8593
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 1510 E Main St

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

  1. Thomas Isbell, DDSGeneral Practice Dentistry1003851189
  2. Thomas Isbell, DDSGeneral Practice Dentistry1497783906

Verify John Thomas Isbell 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 4660
    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

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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20% more Medicare Part D claims than the average dentist in 2024

103 Medicare Part D claims for 82 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. John Isbell103
  2. Specialty average86

Most prescribed

  1. Penicillin V Potassium68 claims
  2. Cephalexin21 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.

John Thomas Isbell among 522 dentist records in Arkansas

John Thomas Isbell, DDS is one of 522 dentist records with a practice address in Arkansas. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 87% of them.

  • NPI issued2023 · 87% of these records are older, 8% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2023 · 70% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a Arkansas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Dentist providers in Arkansas

There are 522 dentist records in Arkansas.

The 8 dentist records with the nearest ZIP codes

  1. Michael Kersey, DDSMammoth Spring, AR 725541942319769
  2. David Eades, DDSHeber Springs, AR 725431073644753
  3. Michael Hestir, DDSHeber Springs, AR 725431083265797
  4. Charles NolandHeber Springs, AR 725431114666948
  5. Robert Wilson, DDSHeber Springs, AR 725431902812852
  6. Jennifer Bartlett, DDSHarrison, AR 726011154434710
  7. John Hargett, D.D.S.Harrison, AR 726011902986045
  8. Robert Hubbard, DDSHarrison, AR 726011588824643

Common questions

What is John Thomas Isbell, DDS's NPI number?

John Thomas Isbell, DDS's National Provider Identifier (NPI) is 1396435483, issued on May 11, 2023. An NPI identifies a provider in billing; it is not a license.

Where is John Thomas Isbell, DDS located?

The NPPES record lists a practice address at 1510 E Main St, Mountain View, AR, 72560. Phone: (870) 269-3828. Providers update this record themselves, so call before visiting.

How can I verify John Thomas Isbell, DDS's license?

NPPES lists Arkansas license number 4660, as entered by the provider. Search the Arkansas board that licenses this profession; the NPPES record confirms identity only.

How much does John Thomas Isbell, DDS prescribe under Medicare Part D?

In 2024, John Thomas Isbell, DDS had 103 Medicare Part D claims for 82 beneficiaries; the average among dentist prescribers was 86. 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.