Nicholas J. Olson, MD
Radiation Oncology Physician · Ames, IA
Nicholas J. Olson, MD is a radiation oncology physician with a practice address in Ames, Iowa, and NPI 1558704338, issued on Apr 11, 2013. Check the license (Iowa MD45567, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Nicholas J. Olson
- Credential
- MD
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- MD45567 IA
Self-reported in NPPES; status is on the state search - Practice location
- 1111 Duff Avenue, Ames, IA 50010
- Phone
- (515) 239-2411
- Enumerated
- Apr 11, 2013
- Record last updated
- Sep 12, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (515) 956-2714
- Medicare enrollment
- Enrolled (PECOS I20230512002500); accepts Medicare assignment
- Medical or professional school
- University Of Minnesota Medical School, 2013
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 67 in Iowa → Look up another NPI →
Also registered at 1111 Duff Avenue
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Stephanie Donnelly, DOAnesthesiology Physician1336460013
- Sherri Flugrad, DOEmergency Medicine Physician1396723284
- John Hardie, MDRadiation Oncology Physician1073801148
- Laura Hufford, MDHospitalist Physician1053339184
- Joshua McCaughey, DOEmergency Medicine Physician1114168549
- Eli Musselman, M.D.Anesthesiology Physician1053791251
Verify Nicholas J. Olson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license MD45567Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
63% fewer Medicare Part D claims than the average radiation oncology physician in 2024
49 Medicare Part D claims for 31 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D.
Most prescribed
- Tamsulosin Hcl21 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.
Bills Medicare through one group practice
- Carris Health LLCWillmar, MN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nicholas J. Olson among 67 radiation oncology physician records in Iowa
Nicholas J. Olson, MD is one of 67 radiation oncology physician records with a practice address in Iowa. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 64% of them.
- NPI issued2013 · 64% of these records are older, 34% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2013 · median 2010 among the 45 with a school on file
- Record last updated2018 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Radiation Oncology Physician providers in Iowa
There are 67 radiation oncology physician records in Iowa.
All 67 in Iowa → Every provider in Ames → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- John Hardie, MDAmes, IA 500101073801148
- Lyman Hopkins, MDAmes, IA 500101144450578
- Gregory Yee, MDAmes, IA 500101962484113
- Robert Isaak, M.D., PHARM.D.Des Moines, IA 503091619197464
- Crosby RockDes Moines, IA 503091457849259
- Samuel Schroeder, M.D.Des Moines, IA 503091861871105
- Arshin Sheybani, M.D.Des Moines, IA 503091407082712
- John Triantafyllos, M.D.Des Moines, IA 503091720053705
Common questions
What is Nicholas J. Olson, MD's NPI number?
Nicholas J. Olson, MD's National Provider Identifier (NPI) is 1558704338, issued on Apr 11, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Nicholas J. Olson, MD located?
The NPPES record lists a practice address at 1111 Duff Avenue, Ames, IA, 50010. Phone: (515) 239-2411. Providers update this record themselves, so call before visiting.
How can I verify Nicholas J. Olson, MD's license?
NPPES lists Iowa license number MD45567, as entered by the provider. Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Nicholas J. Olson, MD prescribe under Medicare Part D?
In 2024, Nicholas J. Olson, MD had 49 Medicare Part D claims for 31 beneficiaries; the average among radiation oncology physician prescribers was 134. 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.