NPPES file of Aug 9, 2026

Donald J. Loomis, D.D.S

General Practice Dentistry · Madison, WI

Donald J. Loomis, D.D.S is a general practice dentistry with a practice address in Madison, Wisconsin, and NPI 1356351985, issued on Aug 8, 2006. Check the license (Wisconsin 5000 254, 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
1356351985
Name
Donald J. Loomis
Credential
D.D.S
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
5000 254 WI
Self-reported in NPPES; status is on the state search
Practice location
4801 Cottage Grove RD, Madison, WI 53716
Phone
(608) 222-7181
Enumerated
Aug 8, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(608) 222-2078
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 4801 Cottage Grove RD

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

  1. Martin Gochnour, D.D.SOrthodontics and Dentofacial Orthopedics Dentistry1184777484
  2. David Hamm, DDS, MSOrthodontics and Dentofacial Orthopedics Dentistry1053730002
  3. Matthew Kutz, D.D.S.Dentist1730245507

Verify Donald J. Loomis 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 5000 254
    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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Donald J. Loomis among 2,305 general practice dentistry records in Wisconsin

Donald J. Loomis, D.D.S is one of 2,305 general practice dentistry records with a practice address in Wisconsin. 57% 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 3% of them.

  • NPI issued2006 · 3% of these records are older, 67% newer
  • In a Medicare fileNo · 57% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2007 · 75% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

General Practice Dentistry providers in Wisconsin

There are 2,305 general practice dentistry records in Wisconsin. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 general practice dentistry records with the nearest ZIP codes

  1. Kathryn Giswold, D.D.S.Monona, WI 537161659492817
  2. Robert Knutson, D.D.S.Monona, WI 537161063574408
  3. Joann Miller, DDSMonona, WI 537161225352883
  4. Angela Schasker, D.D.SMonona, WI 537161750443099
  5. Edward Stepanenkov, D.M.D.Madison, WI 537161356407324
  6. Richard TeteakMonona, WI 537161104944008
  7. Grace Wenham, D.M.D.Monona, WI 537161922122100
  8. Gregory Wipperfurth, D.D.S.Monona, WI 537161952531741

Common questions

What is Donald J. Loomis, D.D.S's NPI number?

Donald J. Loomis, D.D.S's National Provider Identifier (NPI) is 1356351985, issued on Aug 8, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Donald J. Loomis, D.D.S located?

The NPPES record lists a practice address at 4801 Cottage Grove RD, Madison, WI, 53716. Phone: (608) 222-7181. Providers update this record themselves, so call before visiting.

How can I verify Donald J. Loomis, D.D.S's license?

NPPES lists Wisconsin license number 5000 254, 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.

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.