KELVIN DIAZ PEREZ
NPI 1003378829
Radiology - Diagnostic Radiology in Madison, WI
About Kelvin Diaz Perez NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KELVIN DIAZ PEREZ (NPI 1003378829) is an individual diagnostic radiology provider in Madison, Wisconsin, licensed in Wisconsin (86084) and active in the NPI registry since April 2019. He is enrolled in Medicare PECOS, is affiliated with University Of Wi Hospitals & Clinics Authority, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 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
Kelvin Diaz Perez 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 Kelvin Diaz Perez reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Madison, WI 53705
- Reassigned Medicare billing, Wisconsin enrollment
- 206 clinicians in this Medicare group
Madison, WI 53717
- Reassigned Medicare billing, Wisconsin enrollment
- 422 clinicians in this Medicare group
Middleton, WI 53562
- Reassigned Medicare billing, Wisconsin enrollment
- 2,832 clinicians in this Medicare group
Philadelphia, PA 19140
- Reassigned Medicare billing, Pennsylvania enrollment
- 1,991 clinicians in this Medicare group
Farmington, CT 06030
- Reassigned Medicare billing, Connecticut enrollment
- 788 clinicians in this Medicare group
Storrs, CT 06269
- Reassigned Medicare billing, Connecticut enrollment
- 186 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
University 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 Kelvin Diaz Perez's NPI number?
The NPI number for Kelvin Diaz Perez is 1003378829. It was assigned to this individual provider in the NPPES registry on April 1, 2019.
Where is Kelvin Diaz Perez located?
Kelvin Diaz Perez practices at 600 Highland Ave, Madison, WI 53792. The listed phone number is (608) 263-9729.
What is Kelvin Diaz Perez's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Kelvin Diaz Perez enrolled in Medicare?
Yes. Kelvin Diaz Perez 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 Kelvin Diaz Perez's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kelvin Diaz Perez reassigns Medicare benefits to 6 organizations: University Of Wisconsin System Non Payroll (Madison, WI), Group Health Cooperative Of South Central Wisconsin (Madison, WI), University Of Wisconsin Medical Foundation, Inc (Middleton, WI), Temple Faculty Practice Plan, Inc (Philadelphia, PA), University Of Connecticut Health Center (Farmington, CT) 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 Kelvin Diaz Perez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Kelvin Diaz Perez accept?
Health plans from Group Health Cooperative-SCW list Kelvin Diaz Perez 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 Kelvin Diaz Perez affiliated with any hospitals?
According to CMS data, Kelvin Diaz Perez is affiliated with University Of Wi Hospitals & Clinics Authority.
When was this NPI record last updated?
The NPPES record for Kelvin Diaz Perez was last updated on July 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Kelvin Diaz Perez · NPI 1003378829
Diagnostic Radiology physician in Madison, Wisconsin. Individual provider, active in the CMS NPPES registry since April 1, 2019.
## Identity
- **NPI:** 1003378829 (Entity type: Individual)
- **Enumerated:** April 1, 2019
- **Primary specialty:** Radiology - Diagnostic Radiology · taxonomy 2085R0202X
- **State license:** 86084 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 600 HIGHLAND AVE, Madison, WI 53792-0001
- **Phone:** (608) 263-9729
## 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): University Of Wisconsin System Non Payroll (NPI 1346266319, Madison, WI); Group Health Cooperative Of South Central Wisconsin (NPI 1245260165, Madison, WI); University Of Wisconsin Medical Foundation, Inc (NPI 1598784555, Middleton, WI); Temple Faculty Practice Plan, Inc (NPI 1023591781, Philadelphia, PA); University Of Connecticut Health Center (NPI 1720083769, Farmington, CT); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** San Juan Bautista School Of Medicine, class of 2019
## Record status
- **NPPES last updated:** July 3, 2026
---
Source: [NPI Profile](https://npiprofile.com/npi/1003378829) · Data from the CMS NPPES public registry.