SHIH-WEN CHANG MD
NPI 1629084579
Internal Medicine - Pulmonary Disease in West Allis, WI
About Shih-wen Chang Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SHIH-WEN CHANG MD (NPI 1629084579) is an individual pulmonary disease provider in West Allis, Wisconsin, licensed in Wisconsin (33934-20) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Proctor Hospital, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 3
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
Shih-wen 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
7Medicare enrollment records show Shih-wen Chang reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
West Allis, WI 53227
- Reassigned Medicare billing, Wisconsin enrollment
- 4,609 clinicians in this Medicare group
Madison, WI 53715
- Reassigned Medicare billing, Wisconsin enrollment
- 1,377 clinicians in this Medicare group
Neenah, WI 54956
- Reassigned Medicare billing, Wisconsin enrollment
- 444 clinicians in this Medicare group
Stevens Point, WI 54482
- Reassigned Medicare billing, Wisconsin enrollment
- 633 clinicians in this Medicare group
Peoria, IL 61636
- Reassigned Medicare billing, Illinois enrollment
- 693 clinicians in this Medicare group
Urbana, IL 61801
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: Carle Health Care Incorporated
- 2,516 clinicians in this Medicare group
Decatur, IL 62526
- Reassigned Medicare billing, Illinois enrollment
- 166 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 2
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.
Proctor Hospital
Acute Care Hospitals · Peoria, ILPekin Memorial Hospital
Acute Care Hospitals · Pekin, ILMethodist Medical Center Of Illinois
Acute Care Hospitals · Peoria, ILAscension NE Wisconsin - St Elizabeth Campus
Acute Care Hospitals · Appleton, WIAspirus Wausau Hospital
Acute Care Hospitals · Wausau, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53227 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
Referred Medical Equipment & Supplies CMS DME claims 10
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WEST ALLIS, WI 53227
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 Shih-wen Chang's NPI number?
The NPI number for Shih-wen Chang is 1629084579. It was assigned to this individual provider in the NPPES registry on July 31, 2006.
Where is Shih-wen Chang located?
Shih-wen Chang practices at 2424 S 90th St Fl 3, West Allis, WI 53227. The listed phone number is (414) 328-8150.
What is Shih-wen Chang's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.
Is Shih-wen Chang enrolled in Medicare?
Yes. Shih-wen 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 Shih-wen Chang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Shih-wen Chang reassigns Medicare benefits to 7 organizations: Aurora Medical Group, Inc. (West Allis, WI), Dean Health Systems, Inc (Madison, WI), Ascension Medical Group-Fox Valley Wisconsin, Inc (Neenah, WI), Aspirus Wausau Hospital, Inc. (Stevens Point, WI), Methodist Medical Center Of Illinois (Peoria, IL) and 2 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 Shih-wen Chang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Shih-wen Chang accept?
Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare), HealthPartners and Network Health list Shih-wen Chang 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 Shih-wen Chang affiliated with any hospitals?
According to CMS data, Shih-wen Chang is affiliated with Proctor Hospital, Pekin Memorial Hospital, Methodist Medical Center Of Illinois, Ascension NE Wisconsin - St Elizabeth Campus and Aspirus Wausau Hospital.
When was this NPI record last updated?
The NPPES record for Shih-wen Chang was last updated on December 23, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 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.
# Shih-Wen Chang, MD · NPI 1629084579
Pulmonary Disease physician in West Allis, Wisconsin. Individual provider, active in the CMS NPPES registry since July 31, 2006.
## Identity
- **NPI:** 1629084579 (Entity type: Individual)
- **Enumerated:** July 31, 2006
- **Primary specialty:** Internal Medicine - Pulmonary Disease · taxonomy 207RP1001X
- **State license:** 33934-20 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 2424 S 90TH ST FL 3, West Allis, WI 53227-2455
- **Phone:** (414) 328-8150
## 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:** 7 organizations under Medicare reassignment (form CMS-855R): Aurora Medical Group, Inc. (NPI 1457592735, West Allis, WI); Dean Health Systems, Inc (NPI 1053358846, Madison, WI); Ascension Medical Group-Fox Valley Wisconsin, Inc (NPI 1730126392, Neenah, WI); Aspirus Wausau Hospital, Inc. (NPI 1275886749, Stevens Point, WI); Methodist Medical Center Of Illinois (NPI 1275583155, Peoria, IL); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1980
## Record status
- **NPPES last updated:** December 23, 2024
- **Other identifiers:** Medicaid 1629084579 (WI); Other 1932049 (IL)
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Source: [NPI Profile](https://npiprofile.com/npi/1629084579) · Data from the CMS NPPES public registry.