Registry data as of Aug 27, 2026

John Viskup, D.M.D

General Practice Dentistry · Williston, VT

John Viskup, D.M.D is a general practice dentistry with a practice address in Williston, Vermont, and NPI 1720302086, issued on Mar 16, 2010. Check the license (Vermont 0000481, as entered in NPPES) with the Vermont board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1720302086
Name
John Viskup
Credential
D.M.D
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
0000481 VT
Self-reported in NPPES; status is on the state search
Practice location
75 Talcott RD, Williston, VT 05495
Phone
(802) 878-9888
Enumerated
Mar 16, 2010
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 75 Talcott RD

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

  1. Maribel Barria, DMDEndodontics1629198288
  2. Johanna Hauser, PAPhysician Assistant1366489122

Verify John Viskup 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 0000481
    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 Vermont 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.

9 general practice dentistry records list a Williston practice address

They are 9 of the 429 NPPES records with a Williston practice address, and 248 general practice dentistry records in Vermont. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other general practice dentistry records in Vermont

  1. Kevin Acone, DMDSouth Burlington, VT1598993768
  2. Muhammad AdeelDanville, VT1396694246
  3. Zain AhmedBrattleboro, VT1144158031
  4. Carmen Alcala, DMDWilliston, VT1356436521
  5. Christopher Altadonna, DDSStowe, VT1457452203
  6. Amanda Archer, DDSNorwich, VT1184053712
  7. John Armstrong, DDSLyndonville, VT1578623146
  8. David Averill, D.D.S.Burlington, VT1275690240
  9. David Baasch, D.D.S.Wallingford, VT1063415321
  10. Wesley Baker, DMDBennington, VT1720085905

Common questions

What is John Viskup, D.M.D's NPI number?

John Viskup, D.M.D's National Provider Identifier (NPI) is 1720302086, issued on Mar 16, 2010. An NPI identifies a provider in billing; it is not a license.

Where is John Viskup, D.M.D located?

The NPPES record lists a practice address at 75 Talcott RD, Williston, VT, 05495. Phone: (802) 878-9888. Providers update this record themselves, so call before visiting.

How can I verify John Viskup, D.M.D's license?

NPPES lists Vermont license number 0000481, as entered by the provider. Search the Vermont board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.