NPPES file of Aug 9, 2026

William L. Koch, DDS

Dentist · Barre, VT

William L. Koch, DDS is a dentist with a practice address in Barre, Vermont, and NPI 1285673939, issued on Jun 6, 2006. Check the license (Vermont 945, as entered in NPPES) with the Vermont 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
1285673939
Name
William L. Koch
Credential
DDS
Primary taxonomy
Dentist 122300000X
License number
945 VT
Self-reported in NPPES; status is on the state search
Practice location
6 North St, Barre, VT 05641
Phone
(802) 476-4812
Enumerated
Jun 6, 2006
Record last updated
Jul 13, 2026
Fax
(802) 476-0525
Medicaid ID
1001919 VT
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 6 North St

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

  1. Mark George, DMDDentist1609815109
  2. Riley Hanson, DDSDentist1821666330

Verify William L. Koch in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Vermont board licenses this profession
    Search for license 945
    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
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77% fewer Medicare Part D claims than the average dentist in 2024

20 Medicare Part D claims, 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. William Koch20
  2. Specialty average86

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: $170.91

1 payment: food and beverage; the largest payer was Ivoclar Vivadent, Inc. The 31,974 providers of this specialty with any payment received $540.36 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. William Koch$170.91
  2. Specialty average$540.36

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

William L. Koch among 175 dentist records in Vermont

William L. Koch, DDS is one of 175 dentist records with a practice address in Vermont. 52% 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 2% of them.

  • NPI issued2006 · 2% of these records are older, 68% newer
  • In a Medicare fileYes · 52% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2026 · 64% 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 Vermont practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

7 dentist records list a practice address in Barre

They are 7 of the 397 NPPES records with a practice address in Barre, and 175 dentist records in Vermont.

The 8 dentist records with the nearest ZIP codes

  1. Lynne Addiego, DMDBarre, VT 056411093893471
  2. Namrata Lalitchandra Bhanat, BDSBarre, VT 056411760125322
  3. Mark George, DMDBarre, VT 056411609815109
  4. Riley Hanson, DDSBarre, VT 056411821666330
  5. Richard VenmarBarre, VT 056411861436859
  6. Richard Wollensak, DDSBarre, VT 056411265564272
  7. Sara Davis, DDSMorrisville, VT 056611972161958
  8. Matthew Ebert, DMDMorrisville, VT 056611356564470

Common questions

What is William L. Koch, DDS's NPI number?

William L. Koch, DDS's National Provider Identifier (NPI) is 1285673939, issued on Jun 6, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William L. Koch, DDS located?

The NPPES record lists a practice address at 6 North St, Barre, VT, 05641. Phone: (802) 476-4812. Providers update this record themselves, so call before visiting.

How can I verify William L. Koch, DDS's license?

NPPES lists Vermont license number 945, as entered by the provider. Search the Vermont board that licenses this profession; the NPPES record confirms identity only.

How much does William L. Koch, DDS prescribe under Medicare Part D?

In 2024, William L. Koch, DDS had 20 Medicare Part D claims; 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.