NPPES file of Aug 9, 2026

Ronald Keith Underdale, DDS

Dentist · Superior, WI

Ronald Keith Underdale, DDS is a dentist with a practice address in Superior, Wisconsin, and NPI 1417026485, issued on Nov 6, 2006. Check the license (Wisconsin 4001532, as entered in NPPES) with the Wisconsin board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1417026485
Name
Ronald Keith Underdale
Credential
DDS
Primary taxonomy
Dentist 122300000X
License number
4001532 WI
Self-reported in NPPES; status is on the state search
Practice location
1507 Tower Ave, Superior, WI 54880
Phone
(715) 394-9450
Enumerated
Nov 6, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(715) 394-7116
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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8 nearest dentist records → All 1,750 in Wisconsin → Look up another NPI →

Also registered at 1507 Tower Ave

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

  1. Alisha Bliss, CSAC, LADCAddiction (Substance Use Disorder) Counselor1386970630
  2. Brent Johnson, DDSGeneral Practice Dentistry1194828269
  3. Richard Johnson, DDSDentist1376587279
  4. Timothy Moder, SAC-ITAddiction (Substance Use Disorder) Counselor1437332319
  5. Neal O'Shaughnessy, DDSGeneral Practice Dentistry1417113259
  6. Neil OlsonGeneral Practice Dentistry1538472907

Verify Ronald Keith Underdale in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
    Search for license 4001532    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 Wisconsin 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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Ronald Keith Underdale among 1,750 dentist records in Wisconsin

Ronald Keith Underdale, DDS is one of 1,750 dentist records with a practice address in Wisconsin. 60% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 2% of them.

  • NPI issued2006 · 2% of these records are older, 78% newer
  • In a Medicare fileNo · 60% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2007 · 67% 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 Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

12 dentist records list a practice address in Superior

They are 12 of the 458 NPPES records with a practice address in Superior, and 1,750 dentist records in Wisconsin. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 1,750 in Wisconsin → Every provider in Superior → Dentist nationwide →

The 8 dentist records with the nearest ZIP codes

  1. Ellen Bursch, DDSSuperior, WI 548801699332445
  2. H. Clark, DDSSuperior, WI 548801386810521
  3. H. ClarkSuperior, WI 548801164800801
  4. Emily Conley, DDSSuperior, WI 548801982382933
  5. Jacob FerrisSuperior, WI 548801932551751
  6. Richard Johnson, DDSSuperior, WI 548801376587279
  7. Brooke Linder, DDSSuperior, WI 548801366335556
  8. Gerald MikelSuperior, WI 548801679198113

Common questions

What is Ronald Keith Underdale, DDS's NPI number?

Ronald Keith Underdale, DDS's National Provider Identifier (NPI) is 1417026485, issued on Nov 6, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Ronald Keith Underdale, DDS located?

The NPPES record lists a practice address at 1507 Tower Ave, Superior, WI, 54880. Phone: (715) 394-9450. Providers update this record themselves, so call before visiting.

How can I verify Ronald Keith Underdale, DDS's license?

NPPES lists Wisconsin license number 4001532, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity 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. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.