CHEN KANG CHANG MD
NPI 1083655054
Pathology - Clinical Pathology/Laboratory Medicine in Madison, WI
About Chen Kang Chang Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHEN KANG CHANG MD (NPI 1083655054) is an individual clinical pathology/laboratory medicine provider in Madison, Wisconsin, licensed in Wisconsin (20339) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Fort Memorial Hospital, and is a graduate of Other (1971).
NPPES Registry Identity
Specialties & Licenses
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
Chen Kang Chang 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 Chen Chang reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Madison, WI 53715
- Reassigned Medicare billing, Wisconsin enrollment
- 20 clinicians in this Medicare group
Monroe, WI 53566
- Reassigned Medicare billing, Wisconsin enrollment
- 376 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 13
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.
Fort Memorial Hospital
Acute Care Hospitals · Fort Atkinson, WISsm Health St Mary's Hospital - Madison
Acute Care Hospitals · Madison, WISsm Health St Mary's Hospital - Janesville
Acute Care Hospitals · Janesville, WIUpland Hills Health
Critical Access Hospitals · Dodgeville, WISouthwest Health Center
Critical Access Hospitals · Platteville, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53715 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 53715
MADISON, WI 53715
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 Chen Chang's NPI number?
The NPI number for Chen Chang is 1083655054. It was assigned to this individual provider in the NPPES registry on June 9, 2006.
Where is Chen Chang located?
Chen Chang practices at 707 S Mills St, Madison, WI 53715. The listed phone number is (608) 251-6100.
What is Chen Chang's specialty?
The primary specialty registered for this NPI is Pathology, specializing in Clinical Pathology/Laboratory Medicine, with taxonomy code 207ZP0105X.
Is Chen Chang enrolled in Medicare?
Yes. Chen Chang 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 Chen Chang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Chen Chang reassigns Medicare benefits to 2 organizations: Associated Pathologists, Sc (Madison, WI) and The Monroe Clinic, Inc. (Monroe, WI). 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 Chen Chang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Chen Chang affiliated with any hospitals?
According to CMS data, Chen Chang is affiliated with Fort Memorial Hospital, Ssm Health St Mary's Hospital - Madison, Ssm Health St Mary's Hospital - Janesville, Upland Hills Health and Southwest Health Center.
When was this NPI record last updated?
The NPPES record for Chen Chang was last updated on July 13, 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.
# Chen Kang Chang, MD · NPI 1083655054
Clinical Pathology/Laboratory Medicine physician in Madison, Wisconsin. Individual provider, active in the CMS NPPES registry since June 9, 2006.
## Identity
- **NPI:** 1083655054 (Entity type: Individual)
- **Enumerated:** June 9, 2006
- **Primary specialty:** Pathology - Clinical Pathology/Laboratory Medicine · taxonomy 207ZP0105X
- **State license:** 20339 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 707 S MILLS ST, Madison, WI 53715-1849
- **Phone:** (608) 251-6100 · **Fax:** (608) 826-2710
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Associated Pathologists, Sc (NPI 1396782231, Madison, WI); The Monroe Clinic, Inc. (NPI 1386720548, Monroe, WI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1971
## Record status
- **NPPES last updated:** July 13, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1083655054) · Data from the CMS NPPES public registry.