DR. GRACE C BLITZER MD
NPI 1053844852
Radiology - Radiation Oncology in Madison, WI
About Dr. Grace C Blitzer Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GRACE C BLITZER MD (NPI 1053844852) is an individual radiation oncology provider in Madison, Wisconsin, licensed in Wisconsin (71953-20) and active in the NPI registry since April 2017. She is enrolled in Medicare PECOS, is affiliated with Unitypoint Health - Meriter, and maintains a secondary practice location in Johnson Creek.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 2
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. Grace C Blitzer 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
3Medicare enrollment records show Grace Blitzer reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Middleton, WI 53562
- Reassigned Medicare billing, Wisconsin enrollment
- 2,832 clinicians in this Medicare group
Janesville, WI 53548
- Reassigned Medicare billing, Wisconsin enrollment
- 1,155 clinicians in this Medicare group
Rockford, IL 61103
- Reassigned Medicare billing, Illinois enrollment
- 1,375 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 19
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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Unitypoint Health - Meriter
Acute Care Hospitals · Madison, WIUniversity Of Wi Hospitals & Clinics Authority
Acute Care Hospitals · Madison, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53792 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.
MADISON, WI 53792
MADISON, WI 53792
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 Grace Blitzer's NPI number?
The NPI number for Grace Blitzer is 1053844852. It was assigned to this individual provider in the NPPES registry on April 7, 2017.
Where is Grace Blitzer located?
Grace Blitzer practices at 600 Highland Ave, Madison, WI 53792. The listed phone number is (608) 263-8500.
What is Grace Blitzer's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.
Is Grace Blitzer enrolled in Medicare?
Yes. Grace Blitzer 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 Grace Blitzer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Grace Blitzer reassigns Medicare benefits to 3 organizations: University Of Wisconsin Medical Foundation, Inc (Middleton, WI), Mercy Health System Corporation (Janesville, WI) and Rockford Health Physicians (Rockford, IL). 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 Grace Blitzer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Grace Blitzer accept?
Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, Group Health Cooperative-SCW, HealthPartners and Quartz list Grace Blitzer 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.
Is Grace Blitzer affiliated with any hospitals?
According to CMS data, Grace Blitzer is affiliated with Unitypoint Health - Meriter and University Of Wi Hospitals & Clinics Authority.
When was this NPI record last updated?
The NPPES record for Grace Blitzer was last updated on July 28, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.