EUGENE H KAJI MD PHD
NPI 1093776874
Internal Medicine - Cardiovascular Disease in Fitchburg, WI
About Eugene H Kaji Md Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
EUGENE H KAJI MD PHD (NPI 1093776874) is an individual cardiovascular disease provider in Fitchburg, Wisconsin, licensed in Wisconsin (43838) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS, is affiliated with Ssm Health St Mary's Hospital - Madison, and is a graduate of Harvard Medical School (1994).
NPPES Registry Identity
Specialties & Licenses 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
Eugene H Kaji Md Phd 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
6Medicare enrollment records show Eugene Kaji reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Stoughton, WI 53589
- Reassigned Medicare billing, Wisconsin enrollment
- 12 clinicians in this Medicare group
Darlington, WI 53530
- Reassigned Medicare billing, Wisconsin enrollment
- Also billed through NPI 1114987054 (Wisconsin)
- 53 clinicians in this Medicare group
Watertown, WI 53094
- Reassigned Medicare billing, Wisconsin enrollment
- 215 clinicians in this Medicare group
Darlington, WI 53530
- Reassigned Medicare billing, Wisconsin enrollment
- Also billed through NPI 1831279793 (Wisconsin)
- 175 clinicians in this Medicare group
Wisconsin Dells, WI 53965
- Reassigned Medicare billing, Wisconsin enrollment
- 189 clinicians in this Medicare group
Fennimore, WI 53809
- Reassigned Medicare billing, Wisconsin enrollment
- Also billed through NPI 1255339867 (Wisconsin)
- 53 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 3
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.
Ssm Health St Mary's Hospital - Madison
Acute Care Hospitals · Madison, WIMemorial Hospital Of Lafayette County
Critical Access Hospitals · Darlington, WIGrant Regional Health Center
Critical Access Hospitals · Lancaster, WIStoughton Hospital
Critical Access Hospitals · Stoughton, WISouthwest Health Center
Critical Access Hospitals · Platteville, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53711 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Eugene Kaji's NPI number?
The NPI number for Eugene Kaji is 1093776874. It was assigned to this individual provider in the NPPES registry on March 31, 2006.
Where is Eugene Kaji located?
Eugene Kaji practices at 3008 Dunmore St, Fitchburg, WI 53711. The listed phone number is (608) 442-8947.
What is Eugene Kaji's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Eugene Kaji enrolled in Medicare?
Yes. Eugene Kaji 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 Eugene Kaji's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Eugene Kaji reassigns Medicare benefits to 6 organizations: Stoughton Hospital Association (Stoughton, WI), Lafayette County (Darlington, WI), Watertown Physician Practices LLC (Watertown, WI), Southwest Health Center, Inc. (Darlington, WI), Mile Bluff Medical Center Inc (Wisconsin Dells, WI) and 1 more organization, 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 Eugene Kaji's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Eugene Kaji accept?
Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, Dean Health Plan, Group Health Cooperative-SCW and HealthPartners and 1 other insurer list Eugene Kaji 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 Eugene Kaji affiliated with any hospitals?
According to CMS data, Eugene Kaji is affiliated with Ssm Health St Mary's Hospital - Madison, Memorial Hospital Of Lafayette County, Grant Regional Health Center, Stoughton Hospital and Southwest Health Center.
When was this NPI record last updated?
The NPPES record for Eugene Kaji was last updated on September 18, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Eugene H Kaji, MD PHD · NPI 1093776874
Cardiovascular Disease physician in Fitchburg, Wisconsin. Individual provider, active in the CMS NPPES registry since March 31, 2006.
## Identity
- **NPI:** 1093776874 (Entity type: Individual)
- **Enumerated:** March 31, 2006
- **Primary specialty:** Internal Medicine - Cardiovascular Disease · taxonomy 207RC0000X
- **State license:** 43838 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 3008 DUNMORE ST, Fitchburg, WI 53711-6942
- **Phone:** (608) 442-8947 · **Fax:** (608) 264-4646
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): Stoughton Hospital Association (NPI 1679558647, Stoughton, WI); Lafayette County (NPI 1740273358, Darlington, WI); Watertown Physician Practices LLC (NPI 1770964363, Watertown, WI); Southwest Health Center, Inc. (NPI 1811511272, Darlington, WI); Mile Bluff Medical Center Inc (NPI 1487734380, Wisconsin Dells, WI); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Harvard Medical School, class of 1994
## Record status
- **NPPES last updated:** September 18, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1093776874) · Data from the CMS NPPES public registry.