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Radiation Oncology

Jeffrey R. Olsen, MD

Works at hospitals in Colorado Springs, CO · Woodland Park, CO · Aurora, CO · Colorado

Summary

Dr. Jeffrey R. Olsen, MD is a radiation oncologist at 13123 E 16th Ave, Aurora, CO 80045. Phone: (720) 777-1234. Accepts Medicare assignment. In 2024, Jeffrey R. Olsen had 344 Original Medicare patients and 2,623 services. NPI 1598912735. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Jeffrey R. Olsen, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Jeffrey R. Olsen accept Medicare assignment?
Yes. Medicare's clinician data says Jeffrey R. Olsen accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Jeffrey R. Olsen see?
In 2024, CMS data shows 344 Original Medicare patients and 2,623 services for Jeffrey R. Olsen. This counts Original Medicare only and measures volume, not quality.
What is Jeffrey R. Olsen's NPI number?
1598912735. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Jeffrey R. Olsen, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients344
Services billed to Medicare2,623
Different services or procedures34
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Ct guidance for insertion of radiation therapy fields (77014)1,093 services
  2. Calculation of radiation therapy dose (77300)284 services
  3. Radiation treatment management, 5 treatment sessions (77427)273 services
  4. Complex radiation therapy planning (77263)104 services
  5. Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy (G6002)104 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)75%
  • High cholesterol73%
  • High blood pressure68%
  • Arthritis42%
  • Ischemic heart disease34%
  • Chronic kidney disease27%

Hospitals where Jeffrey R. Olsen works

Medicare's Facility Affiliation Data lists Jeffrey R. Olsen at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Jeffrey R. Olsen is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Jeffrey R. Olsen as a member of this group (CMS data updated October 2, 2026).

  • University Physicians Incorporated3,215 clinicians in the group

Specialties

Find other Radiation Oncology doctors in Colorado →

Other radiation oncologists in Aurora

Clinicians with the same Medicare primary specialty in Aurora, CO — not a recommendation.

All radiation oncologists in Aurora →

Other clinicians in University Physicians Incorporated

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolWashington University School Of Medicine
Graduation year2007 (19 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1598912735
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians