DR. MICHAEL W. ITAGAKI MD
NPI 1902058555
Radiology - Vascular & Interventional Radiology in Green Bay, WI
About Dr. Michael W. Itagaki Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MICHAEL W. ITAGAKI MD (NPI 1902058555) is an individual vascular & interventional radiology provider in Green Bay, Wisconsin, licensed in Wisconsin (81016) and active in the NPI registry since October 2008. He is enrolled in Medicare PECOS, is affiliated with Marshfield Medical Center - Rice Lake, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
Other Identifiers 5
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. Michael W. Itagaki 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
12Medicare enrollment records show Michael Itagaki reassigns Medicare billing to 12 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Green Bay, WI 54311
- Reassigned Medicare billing, Wisconsin enrollment
- 275 clinicians in this Medicare group
Waupun, WI 53963
- Reassigned Medicare billing, Wisconsin enrollment
- 1,447 clinicians in this Medicare group
Plover, WI 54467
- Reassigned Medicare billing, Wisconsin enrollment
- Also billed through NPI 1952890873 (Wisconsin)
- 2,476 clinicians in this Medicare group
Marshfield, WI 54449
- Reassigned Medicare billing, Wisconsin enrollment
- 2,540 clinicians in this Medicare group
Neillsville, WI 54456
- Reassigned Medicare billing, Wisconsin enrollment
- Also billed through NPI 1346239373 (Wisconsin)
- 1,283 clinicians in this Medicare group
Park Falls, WI 54552
- Reassigned Medicare billing, Wisconsin enrollment
- Also billed through NPI 1700963048 (Wisconsin)
- 1,351 clinicians in this Medicare group
Chetek, WI 54728
- Reassigned Medicare billing, Wisconsin enrollment
- 1,616 clinicians in this Medicare group
Kirkland, WA 98034
- Reassigned Medicare billing, Washington enrollment
- 196 clinicians in this Medicare group
Lynnwood, WA 98036
- Reassigned Medicare billing, Washington enrollment
- 209 clinicians in this Medicare group
Edmonds, WA 98026
- Reassigned Medicare billing, Washington enrollment
- 200 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 21
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Marshfield Medical Center - Rice Lake
Acute Care Hospitals · Rice Lake, WIMarshfield Medical Center
Acute Care Hospitals · Marshfield, WIMarshfield Medical Center - Weston
Acute Care Hospitals · Weston, WIMarshfield Medical Center - Eau Claire
Acute Care Hospitals · Eau Claire, WIMarshfield Medical Center - Ladysmith
Critical Access Hospitals · Ladysmith, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 54311 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
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.
GREEN BAY, WI 54311
GREEN BAY, WI 54311
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 Michael Itagaki's NPI number?
The NPI number for Michael Itagaki is 1902058555. It was assigned to this individual provider in the NPPES registry on October 15, 2008.
Where is Michael Itagaki located?
Michael Itagaki practices at 2845 Greenbrier Rd, Green Bay, WI 54311. The listed phone number is (920) 288-4848.
What is Michael Itagaki's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Vascular & Interventional Radiology, with taxonomy code 2085R0204X.
Is Michael Itagaki enrolled in Medicare?
Yes. Michael Itagaki 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 Michael Itagaki's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Itagaki reassigns Medicare benefits to 12 organizations: Baycare Clinic LLP (Green Bay, WI), Beaver Dam Community Hospitals Inc (Waupun, WI), Mchs Hospitals, Inc. (Plover, WI), Marshfield Clinic Inc (Marshfield, WI), Memorial Hospital, Inc (Neillsville, WI) and 7 more organizations, listed in the Medicare section above. 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 Michael Itagaki's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Michael Itagaki affiliated with any hospitals?
According to CMS data, Michael Itagaki is affiliated with Marshfield Medical Center - Rice Lake, Marshfield Medical Center, Marshfield Medical Center - Weston, Marshfield Medical Center - Eau Claire and Marshfield Medical Center - Ladysmith.
When was this NPI record last updated?
The NPPES record for Michael Itagaki was last updated on August 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.