NPPES file of Aug 9, 2026

Ross G. Olness, D.D.S.

Dentist · Willmar, MN

Ross G. Olness, D.D.S. is a dentist with a practice address in Willmar, Minnesota, and NPI 1659579043, issued on Jul 6, 2007. Check the license (Minnesota D12383, 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
1659579043
Name
Ross G. Olness
Credential
D.D.S.
Primary taxonomy
Dentist 122300000X
License number
D12383 MN
Self-reported in NPPES; status is on the state search
Practice location
1604 1St St S, Willmar, MN 56201
Phone
(320) 231-1739
Enumerated
Jul 6, 2007
Record last updated
Aug 2, 2007 (not updated in 19 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.
Download card Updates feed

Also registered at 1604 1St St S

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

  1. Edward ArndorferPhysical Therapy Assistant1295217123
  2. Emily Bakker, R.D.Registered Dietitian1699102152
  3. Tory BrouwerPhysical Therapist1760830889
  4. Tyler Brower, DPTPhysical Therapist1891399978
  5. Amanda Buckingham, PTPhysical Therapist1447446455
  6. Ina Drown, M.D.Ophthalmology Physician1104872324

Verify Ross G. Olness 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 D12383
    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 Minnesota 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.

1% fewer Medicare Part D claims than the average dentist in 2024

85 Medicare Part D claims for 74 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. Ross Olness85
  2. Specialty average86

Most prescribed

  1. Amoxicillin65 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: $818.23

13 payments; by number, the most common kind was food and beverage; the largest payer was Ultradent Products 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. Ross Olness$818.23
  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.

Ross G. Olness among 1,794 dentist records in Minnesota

Ross G. Olness, D.D.S. 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 2007, is newer than 34% of them.

  • NPI issued2007 · 34% of these records are older, 55% newer
  • In a Medicare fileYes · 62% of these records are
  • In the CMS Doctors and Clinicians fileNo · 1% of these records are
  • Record last updated2007 · 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).

11 dentist records list a practice address in Willmar

They are 11 of the 805 NPPES records with a practice address in Willmar, and 1,794 dentist records in Minnesota.

The 8 dentist records with the nearest ZIP codes

  1. Harlan Anderson, D.D.SWillmar, MN 562011962595595
  2. Ca CaoWillmar, MN 562011841188612
  3. Jodi Fonkert, DDSWillmar, MN 562011285718304
  4. Michael Hanson, DDSWillmar, MN 562011922182054
  5. Linda Jackson, DDSWillmar, MN 562011992757728
  6. Nicholas Marcus, D.D.S.Willmar, MN 562011205029071
  7. Stephen Medin, D.D.S.Willmar, MN 562011801969803
  8. Eric Nordstrom, DDSWillmar, MN 562011972549145

Common questions

What is Ross G. Olness, D.D.S.'s NPI number?

Ross G. Olness, D.D.S.'s National Provider Identifier (NPI) is 1659579043, issued on Jul 6, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Ross G. Olness, D.D.S. located?

The NPPES record lists a practice address at 1604 1St St S, Willmar, MN, 56201. Phone: (320) 231-1739. Providers update this record themselves, so call before visiting.

How can I verify Ross G. Olness, D.D.S.'s license?

NPPES lists Minnesota license number D12383, as entered by the provider. Search the Minnesota board that licenses this profession; the NPPES record confirms identity only.

How much does Ross G. Olness, D.D.S. prescribe under Medicare Part D?

In 2024, Ross G. Olness, D.D.S. had 85 Medicare Part D claims for 74 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.