Registry data as of Aug 27, 2026

John Helscher, DDS

General Practice Dentistry · Washington, IA

John Helscher, DDS is a general practice dentistry with a practice address in Washington, Iowa, and NPI 1891883591, issued on Oct 10, 2006. Check the license (Iowa 5770, as entered in NPPES) with the Iowa 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
1891883591
Name
John Helscher
Credential
DDS
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
5770 IA
Self-reported in NPPES; status is on the state search
Practice location
205 S Marion Ave, Washington, IA 52353
Phone
(319) 653-3412
Enumerated
Oct 10, 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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Verify John Helscher in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Iowa board licenses this profession
    Search for license 5770
    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 Iowa 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.

6 general practice dentistry records list a Washington practice address

They are 6 of the 131 NPPES records with a Washington practice address, and 1,231 general practice dentistry records in Iowa. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other general practice dentistry records in Iowa

  1. Deborah Adamec, D.D.S.Iowa City, IA1962624882
  2. Ken Addink, DDSSioux Center, IA1851372940
  3. Eric Adler, DDSSolon, IA1467025106
  4. Martin AhrensManning, IA1104030014
  5. Vinti Ahuja, DMDBettendorf, IA1992275358
  6. Jeffrey AkeyCedar Rapids, IA1598798886
  7. Ala'a Al Arabi, D.D.SWaterloo, IA1477969608
  8. Christopher Aldrich, DDSWaterloo, IA1073956454
  9. Jeffrey Allen, DDSPella, IA1841373289
  10. Stephen Allen, DDSHarlan, IA1053302950

Common questions

What is John Helscher, DDS's NPI number?

John Helscher, DDS's National Provider Identifier (NPI) is 1891883591, issued on Oct 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John Helscher, DDS located?

The NPPES record lists a practice address at 205 S Marion Ave, Washington, IA, 52353. Phone: (319) 653-3412. Providers update this record themselves, so call before visiting.

How can I verify John Helscher, DDS's license?

NPPES lists Iowa license number 5770, as entered by the provider. Search the Iowa 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.