NPPES file of Aug 9, 2026

Joseph William Barnhart, DDS

Dentist · Vienna, MO

Joseph William Barnhart, DDS is a dentist with a practice address in Vienna, Missouri, and NPI 1417244146, issued on Jul 1, 2011. Check the license (Missouri 2011014522, as entered in NPPES) with the Missouri 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
1417244146
Name
Joseph William Barnhart
Credential
DDS
Primary taxonomy
Dentist 122300000X
License number
2011014522 MO
Self-reported in NPPES; status is on the state search
Practice location
1406 Hwy S, Vienna, MO 65582
Phone
(573) 422-3612
Enumerated
Jul 1, 2011
Record last updated
Sep 22, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(573) 422-3712
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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Verify Joseph William Barnhart in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Missouri board licenses this profession
    Search for license 2011014522
    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 Missouri license search

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2.6 times the Medicare Part D claims of the average dentist in 2024

226 Medicare Part D claims for 97 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. 48 claims were for opioids.

  1. Joseph Barnhart226
  2. Specialty average86

Most prescribed

  1. Cephalexin87 claims
  2. Acetaminophen-Codeine48 claims
  3. Amoxicillin41 claims
  4. Methylprednisolone34 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.

Joseph William Barnhart among 1,647 dentist records in Missouri

Joseph William Barnhart, DDS is one of 1,647 dentist records with a practice address in Missouri. 62% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 48% of them.

  • NPI issued2011 · 48% of these records are older, 49% newer
  • In a Medicare fileYes · 62% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2020 · 66% 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 Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1 dentist record lists a practice address in Vienna

They are 1 of the 11 NPPES records with a practice address in Vienna, and 1,647 dentist records in Missouri.

The 8 dentist records with the nearest ZIP codes

  1. Joseph Isaac, DDSWaynesville, MO 655831780952945
  2. Paul Reznicek, DDSWaynesville, MO 655831326325192
  3. Mason AlbertsonSaint Robert, MO 655841174369912
  4. Rachel Bagot, DMDSaint Robert, MO 655841891356564
  5. Jeremy Hauret, DMDSaint Robert, MO 655841326817396
  6. Jeremy Kiersz, DDSSt Robert, MO 655841568441426
  7. Jesse Smith, DDSSaint Robert, MO 655841508358177
  8. Aaron Weisberger, D.D.S.St Robert, MO 655841760730329

Common questions

What is Joseph William Barnhart, DDS's NPI number?

Joseph William Barnhart, DDS's National Provider Identifier (NPI) is 1417244146, issued on Jul 1, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Joseph William Barnhart, DDS located?

The NPPES record lists a practice address at 1406 Hwy S, Vienna, MO, 65582. Phone: (573) 422-3612. Providers update this record themselves, so call before visiting.

How can I verify Joseph William Barnhart, DDS's license?

NPPES lists Missouri license number 2011014522, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.

How much does Joseph William Barnhart, DDS prescribe under Medicare Part D?

In 2024, Joseph William Barnhart, DDS had 226 Medicare Part D claims for 97 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.