RADIATION ONCOLOGY OF CEDAR RAPIDS PC
NPI 1811940356
Radiology - Radiation Oncology in Cedar Rapids, IA

Q: What is Radiation Oncology Of Cedar Rapids PC's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Active since May 18, 2006

701 10TH ST SE, CEDAR RAPIDS, IA 52403(319) 398-6180(319) 398-6708 Get Directions Write a Review

NPPES record last updated: June 30, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 30, 2025, Jun 14, 2021, Jun 7, 2017 (3 updates tracked since 2017).

On this page

About Radiation Oncology Of Cedar Rapids Pc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

RADIATION ONCOLOGY OF CEDAR RAPIDS PC (NPI 1811940356) is a healthcare organization registered as a radiation oncology in Cedar Rapids, Iowa and active in the NPI registry since May 2006. The organization lists Alanna Stuart, Billing Manager, as its authorized official.

NPPES Registry Identity

NPI1811940356

Entity TypeOrganization

Primary Taxonomy2085R0001X

Legal Business NameRADIATION ONCOLOGY OF CEDAR RAPIDS PC

Location Address701 10TH ST SECedar Rapids, IA 52403-1251

Mailing AddressPo Box 145Hiawatha, IA 52233-0145 · (319) 826-3763 · Fax (888) 609-6019

Phone(319) 398-6180

Fax(319) 398-6708

Organization SubpartNo

Authorized OfficialAlanna StuartBilling Manager · (319) 826-3763

Enumeration DateMay 18, 2006

Last NPPES UpdateJune 30, 20253 updates tracked since enumeration

NPPES CertifiedJune 30, 2025

✔ NPI 1811940356 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0001X

Definition

A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.

701 10TH ST SE, Cedar Rapids, IA 52403

Open in Google Maps ↗

Other Identifiers 1

Medicaid0446633IA

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Radiation Oncology Of Cedar Rapids Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 2 clinicians reassign Medicare billing to Radiation Oncology Of Cedar Rapids PC, which bills Medicare for the services they deliver. Of these, 2 practice at this address. They are listed nearest first.

Clinicians, nearest first (2)

Wook Lee, MD

Radiation Oncology

NPI 1134135015

701 10TH SEST
Cedar Rapids, IA 52403

(319) 398-6180

✔ PECOS✔ Accepts MedicareSame address

Michael Marquardt, M.D.

Radiation Oncology

NPI 1639582810

701 10TH ST SE
Cedar Rapids, IA 52403

(319) 398-6180

✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Radiation Oncology Of Cedar Rapids PC's NPI number?

The NPI number for Radiation Oncology Of Cedar Rapids PC is 1811940356. It was assigned to this organization in the NPPES registry on May 18, 2006.

Where is Radiation Oncology Of Cedar Rapids PC located?

Radiation Oncology Of Cedar Rapids PC is located at 701 10th St SE, Cedar Rapids, IA 52403. The listed phone number is (319) 398-6180.

What is Radiation Oncology Of Cedar Rapids PC's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Is Radiation Oncology Of Cedar Rapids PC enrolled in Medicare?

Yes. Radiation Oncology Of Cedar Rapids PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Radiation Oncology Of Cedar Rapids PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in Radiation Oncology, reassign their Medicare billing to Radiation Oncology Of Cedar Rapids PC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Of these, 2 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Radiation Oncology Of Cedar Rapids PC was last updated on June 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.