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Dr. Ryan M. Lanning, M.D., PHD.

Radiation Oncology (Radiation Oncology Physician)

  • Medicare participating

At a glance

Medical school
Harvard Medical School (2011)
Years since graduation
15
In the NPI registry since
2011
Medicare patients seen, 2024
423

Licensed in Colorado since 2016, according to the Colorado Department of Regulatory Agencies. We show license dates only for the states that publish them in bulk; see which states do. For other states, check the state medical board.

The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. What an NPI is

Education and training

  • 2011Medical school: Harvard Medical School
  • 2011Registered with an NPI (national billing number; not a license date)

Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).

Specialties and state licenses

  • Radiation Oncology Physician primary
    CO license DR.0056923 (first issued 2016; active)

As reported to the NPI registry. To confirm a license is current, check the state medical board.

Map: Radiation Oncology per capita by county →

Where they work

Hospitals

Medical groups

Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.

Medicare patients and services

Medicare patients, 2024
423
Services billed
2,490
Patients’ average age
74
Most frequent Medicare services, 2023
ServiceTimesPatients
Ct guidance for insertion of radiation therapy fields468163
Calculation of radiation therapy dose43087
Design and construction of complex radiation treatment device21287
Established patient office or other outpatient visit, 20-29 minutes168130
Radiation treatment management, 5 treatment sessions15669
Complex radiation therapy planning107103
Design and construction of radiation treatment device for high precision radiation therapy8674
High precision radiation therapy planning8674
Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy6840
Special radiation treatment5855

Medicare fee-for-service only. CMS leaves out services billed for fewer than 11 patients. These figures describe a practice’s Medicare work; they aren’t a measure of quality.

Medicare prescriptions

Prescriptions filled under Medicare Part D, including refills. CMS leaves out drugs prescribed fewer than 11 times.

Other Radiation Oncology clinicians in Aurora

Sources

NPI registry (CMS NPPES, November 2026; record last updated July 11, 2016), Medicare Care Compare, Medicare Physician & Other Practitioners (2024), Medicare Part D Prescribers (2024) and Open Payments (2025). Information is self-reported or billed data and may be out of date; call before visiting.

NPI 1023302148. Official NPI registry record (opens in a new tab). Clinicians can correct their information in NPPES; changes appear here after our next monthly update.