NPPES file of Aug 9, 2026

Nicholas Rudolph Matack, DDS

Dentist · Duluth, MN

Nicholas Rudolph Matack, DDS is a dentist with a practice address in Duluth, Minnesota, and NPI 1194020719, issued on Jan 12, 2011. Check the license (Minnesota D13811, as entered in NPPES) with the Minnesota 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
1194020719
Name
Nicholas Rudolph Matack
Credential
DDS
Primary taxonomy
Dentist 122300000X
License number
D13811 MN
Self-reported in NPPES; status is on the state search
Practice location
421 E 4TH St, Duluth, MN 55805
Phone
(218) 727-1448
Enumerated
Jan 12, 2011
Record last updated
Dec 20, 2017 (not updated in 9 years: call before relying on the address or phone)
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 421 E 4TH St

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

  1. Robert Mohs, D.D.S.General Practice Dentistry1093899809

Verify Nicholas Rudolph Matack in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Minnesota board licenses this profession
    Search for license D13811
    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
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20% fewer Medicare Part D claims than the average dentist in 2024

69 Medicare Part D claims for 41 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.

  1. Nicholas Matack69
  2. Specialty average86

Most prescribed

  1. Amoxicillin25 claims
  2. Chlorhexidine Gluconate21 claims
  3. Clindamycin Hcl13 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: $59.44

2 payments; by number, the most common kind was food and beverage; the largest payer was Envista Holdings Corporation. The 31,974 providers of this specialty with any payment received $540.36 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Nicholas Matack$59.44
  2. Specialty average$540.36

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

Nicholas Rudolph Matack among 1,794 dentist records in Minnesota

Nicholas Rudolph Matack, DDS is one of 1,794 dentist records with a practice address in Minnesota. 62% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 53% of them.

  • NPI issued2011 · 53% of these records are older, 45% newer
  • In a Medicare fileYes · 62% of these records are
  • In the CMS Doctors and Clinicians fileNo · 1% of these records are
  • Record last updated2017 · 69% 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 Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Dentist providers in Minnesota

There are 1,794 dentist records in Minnesota.

The 8 dentist records with the nearest ZIP codes

  1. Kyle Hammer, D.D.S.Duluth, MN 558051679910905
  2. Robert Lacosse, DDSDuluth, MN 558051538144670
  3. Jeffrey Polzin, D.M.D.Duluth, MN 558051649687674
  4. Michael Walek, DDSDuluth, MN 558051851950174
  5. Todd Hansen, DDSDuluth, MN 558041013089556
  6. Stephen Hero, DDSDuluth, MN 558061902998875
  7. Danielle Johnson, DDSDuluth, MN 558031184232282
  8. Jeffrey Somrock, DDSDuluth, MN 558031497894646

Common questions

What is Nicholas Rudolph Matack, DDS's NPI number?

Nicholas Rudolph Matack, DDS's National Provider Identifier (NPI) is 1194020719, issued on Jan 12, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Nicholas Rudolph Matack, DDS located?

The NPPES record lists a practice address at 421 E 4TH St, Duluth, MN, 55805. Phone: (218) 727-1448. Providers update this record themselves, so call before visiting.

How can I verify Nicholas Rudolph Matack, DDS's license?

NPPES lists Minnesota license number D13811, as entered by the provider. Search the Minnesota board that licenses this profession; the NPPES record confirms identity only.

How much does Nicholas Rudolph Matack, DDS prescribe under Medicare Part D?

In 2024, Nicholas Rudolph Matack, DDS had 69 Medicare Part D claims for 41 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.

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.