NPPES file of Aug 9, 2026

Mark Olsen, DDS

Dentist · Sun Prairie, WI

Mark Olsen, DDS is a dentist with a practice address in Sun Prairie, Wisconsin, and NPI 1730353277, issued on Apr 16, 2008. Check the license (Wisconsin 5501015, 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
1730353277
Name
Mark Olsen
Credential
DDS
Primary taxonomy
Dentist 122300000X
License number
5501015 WI
Self-reported in NPPES; status is on the state search
Practice location
2630 Ironwood Dr, Sun Prairie, WI 53590
Phone
(608) 837-7842
Enumerated
Apr 16, 2008
Record last updated
Jun 26, 2025
Fax
(608) 318-8787
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 2630 Ironwood Dr

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

  1. Andrew Goblirsch, DDSGeneral Practice Dentistry1538882295
  2. Tanner McKenna, D.D.S.General Practice Dentistry1033111513
  3. Brooke Zerbian, DDSGeneral Practice Dentistry1639869431

Verify Mark Olsen 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 5501015
    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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9% fewer Medicare Part D claims than the average dentist in 2024

78 Medicare Part D claims for 50 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Mark Olsen78
  2. Specialty average86

Most prescribed

  1. Amoxicillin36 claims
  2. Methylprednisolone11 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: $31.32

1 payment: food and beverage; the largest payer was Patterson Companies, Inc. 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. Mark Olsen$31.32
  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.

19 dentist records list a practice address in Sun Prairie

They are 19 of the 485 NPPES records with a practice address in Sun Prairie, and 1,750 dentist records in Wisconsin.

Other dentist records in Wisconsin

  1. Buhisa AbdelkafiRacine, WI1881383586
  2. Hooman Abdolisereshki, DDSPlymouth, WI1619369279
  3. Megan Abell, DDSMadison, WI1346477361
  4. Matthew Abraham, DDSLadysmith, WI1912350448
  5. Nicolas Abujamra, DDS, MSGreen Bay, WI1720123201
  6. Guillermo Aceves, DDSJanesville, WI1447090766
  7. Amber Ackerman, DMDMount Horeb, WI1497646509
  8. Erica Adams, DMDMadison, WI1275101909
  9. Hala Afifa, DDSMilwaukee, WI1891363198
  10. Aarushi Agarwal, DMDMadison, WI1841977717

Common questions

What is Mark Olsen, DDS's NPI number?

Mark Olsen, DDS's National Provider Identifier (NPI) is 1730353277, issued on Apr 16, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Mark Olsen, DDS located?

The NPPES record lists a practice address at 2630 Ironwood Dr, Sun Prairie, WI, 53590. Phone: (608) 837-7842. Providers update this record themselves, so call before visiting.

How can I verify Mark Olsen, DDS's license?

NPPES lists Wisconsin license number 5501015, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.

How much does Mark Olsen, DDS prescribe under Medicare Part D?

In 2024, Mark Olsen, DDS had 78 Medicare Part D claims for 50 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.