DR. WARREN SCOTT SPENCER MD
NPI 1043475247
Radiology - Diagnostic Radiology in Cedar Rapids, IA
About Dr. Warren Scott Spencer Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. WARREN SCOTT SPENCER MD (NPI 1043475247) is an individual diagnostic radiology provider in Cedar Rapids, Iowa, licensed in Iowa (40113) and active in the NPI registry since July 2008. He is enrolled in Medicare PECOS and is a graduate of Other (2007).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Warren Scott Spencer Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Warren Spencer reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Prescott Valley, AZ 86314
- Reassigned Medicare billing, Arizona enrollment
- 83 clinicians in this Medicare group
Prescott, AZ 86301
- Reassigned Medicare billing, Arizona enrollment
- 10 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 97
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 52402 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CEDAR RAPIDS, IA 52402
CEDAR RAPIDS, IA 52402
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 Warren Spencer's NPI number?
The NPI number for Warren Spencer is 1043475247. It was assigned to this individual provider in the NPPES registry on July 28, 2008.
Where is Warren Spencer located?
Warren Spencer practices at 1948 1st Ave NE, Cedar Rapids, IA 52402. The listed phone number is (319) 364-0121.
What is Warren Spencer's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Warren Spencer enrolled in Medicare?
Yes. Warren Spencer is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Warren Spencer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Warren Spencer reassigns Medicare benefits to 2 organizations: Yavapai Community Hospital Association (Prescott Valley, AZ) and Prescott Radiologists LLP (Prescott, AZ). Each 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 Warren Spencer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Warren Spencer accept?
Health plans from Blue Cross Blue Shield of Arizona, Cigna HealthCare of Arizona, Inc and Imperial Insurance Companies, Inc. list Warren Spencer as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Warren Spencer was last updated on December 21, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years 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.