NPPES file of Aug 9, 2026

Mary Margaret Llanas, D.D.S.

General Practice Dentistry · Muskego, WI

Mary Margaret Llanas, D.D.S. is a general practice dentistry with a practice address in Muskego, Wisconsin, and NPI 1780740829, issued on Dec 30, 2006. Check the license (Wisconsin 4508, 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
1780740829
Name
Mary Margaret Llanas
Credential
D.D.S.
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
4508 WI
Self-reported in NPPES; status is on the state search
Practice location
S76W17587 Janesville RD, Muskego, WI 53150
Phone
(262) 679-0333
Enumerated
Dec 30, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(262) 971-0161
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

Verify Mary Margaret Llanas 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 4508
    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.

57% fewer Medicare Part D claims than the average general practice dentistry in 2024

36 Medicare Part D claims for 21 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.

  1. Mary Llanas36
  2. Specialty average83

Most prescribed

  1. Doxycycline Hyclate21 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.

Industry payments in 2024: $72.13

1 payment: food and beverage; the largest payer was Dentsply Sirona Inc. The 41,669 providers of this specialty with any payment received $597.01 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mary Llanas$72.13
  2. Specialty average$597.01

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Mary Margaret Llanas among 2,305 general practice dentistry records in Wisconsin

Mary Margaret Llanas, 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. Its NPI, issued in 2006, is newer than 3% of them.

  • NPI issued2006 · 3% of these records are older, 67% newer
  • In a Medicare fileYes · 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).

10 general practice dentistry records list a practice address in Muskego

They are 10 of the 192 NPPES records with a practice address in Muskego, and 2,305 general practice dentistry records in Wisconsin.

The 8 general practice dentistry records with the nearest ZIP codes

  1. Savita Brenner, DDSMuskego, WI 531501508016130
  2. Robert Chambers, DDSMuskego, WI 531501669505699
  3. Patrick Connell, DDSMuskego, WI 531501649430901
  4. Kathleen Conroy, D.D.S.Muskego, WI 531501265681308
  5. Jesssica Messerschmidt, DDSMuskego, WI 531501508482217
  6. Joon-Jae ParkMuskego, WI 531501568817559
  7. Samuel Reimer, DDSMuskego, WI 531501194567669
  8. Nisha Soni, DDSMuskego, WI 531501720655384

Common questions

What is Mary Margaret Llanas, D.D.S.'s NPI number?

Mary Margaret Llanas, D.D.S.'s National Provider Identifier (NPI) is 1780740829, issued on Dec 30, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mary Margaret Llanas, D.D.S. located?

The NPPES record lists a practice address at S76W17587 Janesville RD, Muskego, WI, 53150. Phone: (262) 679-0333. Providers update this record themselves, so call before visiting.

How can I verify Mary Margaret Llanas, D.D.S.'s license?

NPPES lists Wisconsin license number 4508, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.

How much does Mary Margaret Llanas, D.D.S. prescribe under Medicare Part D?

In 2024, Mary Margaret Llanas, D.D.S. had 36 Medicare Part D claims for 21 beneficiaries; the average among general practice dentistry prescribers was 83. 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.

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.