NPPES file of Aug 9, 2026

John Bradley Olson, DDS

Dentist · Dekalb, IL

John Bradley Olson, DDS is a dentist with a practice address in Dekalb, Illinois, and NPI 1033223805, issued on Aug 18, 2006. Check the license with the Illinois 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
1033223805
Name
John Bradley Olson
Credential
DDS
Primary taxonomy
Dentist 122300000X
Practice location
217 S Third St, Dekalb, IL 60115
Phone
(815) 758-2800
Enumerated
Aug 18, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(815) 787-2801
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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Verify John Bradley Olson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this professionCheck 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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45% fewer Medicare Part D claims than the average dentist in 2024

47 Medicare Part D claims for 28 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. John Olson47
  2. Specialty average86

Most prescribed

  1. Amoxicillin11 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.

John Bradley Olson among 4,522 dentist records in Illinois

John Bradley Olson, DDS is one of 4,522 dentist records with a practice address in Illinois. 64% 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 2% of them.

  • NPI issued2006 · 2% of these records are older, 81% newer
  • In a Medicare fileYes · 64% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2007 · 74% 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 Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

13 dentist records list a practice address in Dekalb

They are 13 of the 936 NPPES records with a practice address in Dekalb, and 4,522 dentist records in Illinois.

The 8 dentist records with the nearest ZIP codes

  1. Jasmeet Brar, DDSDekalb, IL 601151629554498
  2. Emma Caraus, DMDDekalb, IL 601151669307526
  3. Binh Dinh, DDSDekalb, IL 601151013270818
  4. Timothy Duez, DDSDekalb, IL 601151841396538
  5. Julie Galloway, DDSDekalb, IL 601151912031097
  6. Truyen Nguyen, DDSDekalb, IL 601151679699359
  7. James O'Brien, DDSDekalb, IL 601151447093729
  8. Nikhil Patel, DMDDekalb, IL 601151902382682

Common questions

What is John Bradley Olson, DDS's NPI number?

John Bradley Olson, DDS's National Provider Identifier (NPI) is 1033223805, issued on Aug 18, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John Bradley Olson, DDS located?

The NPPES record lists a practice address at 217 S Third St, Dekalb, IL, 60115. Phone: (815) 758-2800. Providers update this record themselves, so call before visiting.

How can I verify John Bradley Olson, DDS's license?

Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does John Bradley Olson, DDS prescribe under Medicare Part D?

In 2024, John Bradley Olson, DDS had 47 Medicare Part D claims for 28 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.