NPPES file of Aug 9, 2026

Katherine Ly, DDS

Dentist · Sheboygan, WI

Katherine Ly, DDS is a dentist with a practice address in Sheboygan, Wisconsin, and NPI 1619712205, issued on Jun 26, 2024. Check the license (Wisconsin 6001613-15, as entered in NPPES) with the Wisconsin 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
1619712205
Name
Katherine Ly
Credential
DDS
Primary taxonomy
Dentist 122300000X
License number
6001613-15 WI
Self-reported in NPPES; status is on the state search
Practice location
1721 Saemann Ave, Sheboygan, WI 53081
Phone
(920) 783-6633
Enumerated
Jun 26, 2024
Record last updated
Jun 26, 2024
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.
Download card Updates feed

8 nearest dentist records → All 1,750 in Wisconsin → Look up another NPI →

Also registered at 1721 Saemann Ave

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

  1. Sarah Apfelbeck, LPCProfessional Counselor1255843785
  2. Andrea Arentsen, RDHDental Hygienist1598402455
  3. Cindy Bartol, LPCProfessional Counselor1649116567
  4. Cynthia Baus, RDHDental Hygienist1003453564
  5. Natalie Beck, LCSWClinical Social Worker1285515585
  6. Christina Bennett, DMDPublic Health Dentistry1730674664

Verify Katherine Ly 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 6001613-15    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

63% fewer Medicare Part D claims than the average dentist in 2024

32 Medicare Part D claims for 21 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.

  1. Katherine Ly32
  2. Specialty average86

Most prescribed

  1. Amoxicillin12 claims
  2. Chlorhexidine Gluconate11 claims

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.

Katherine Ly among 1,750 dentist records in Wisconsin

Katherine Ly, 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. Its NPI, issued in 2024, is newer than 90% of them.

  • NPI issued2024 · 90% of these records are older, 6% newer
  • In a Medicare fileYes · 60% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2024 · 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).

20 dentist records list a practice address in Sheboygan

They are 20 of the 1,385 NPPES records with a practice address in Sheboygan, and 1,750 dentist records in Wisconsin.

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

The 8 dentist records with the nearest ZIP codes

  1. Robert Armstrong, DDSSheboygan, WI 530811720237134
  2. Timothy Gainey, DDSSheboygan, WI 530811932589678
  3. George Hess, DDSSheboygan, WI 530811881710929
  4. Mark Huberty, D.D.S.Sheboygan, WI 530811316151350
  5. Anthony Huizenga, DMDSheboygan, WI 530811346818184
  6. Larry Jones, DDSSheboygan, WI 530811245343805
  7. John Korolewski, DDSSheboygan, WI 530811538238183
  8. David Blong Lee, DDSSheboygan, WI 530811285846592

Common questions

What is Katherine Ly, DDS's NPI number?

Katherine Ly, DDS's National Provider Identifier (NPI) is 1619712205, issued on Jun 26, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Katherine Ly, DDS located?

The NPPES record lists a practice address at 1721 Saemann Ave, Sheboygan, WI, 53081. Phone: (920) 783-6633. Providers update this record themselves, so call before visiting.

How can I verify Katherine Ly, DDS's license?

NPPES lists Wisconsin license number 6001613-15, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.

How much does Katherine Ly, DDS prescribe under Medicare Part D?

In 2024, Katherine Ly, DDS had 32 Medicare Part D claims for 21 beneficiaries; 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.

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.