MR. CHASE M ISENBERGER PA
NPI 1891497020
Physician Assistant in Milwaukee, WI
About Mr. Chase M Isenberger Pa NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. CHASE M ISENBERGER PA (NPI 1891497020) is an individual physician assistant in Milwaukee, Wisconsin, licensed in Wisconsin (8359) and active in the NPI registry since March 2023. He is enrolled in Medicare PECOS, is affiliated with Mercy Health System Corp, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mr. Chase M Isenberger Pa 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mercy Health System Corp
Acute Care Hospitals · Janesville, WIMercy Walworth Hospital & Medical Center
Critical Access Hospitals · Lake Geneva, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53215 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.
MILWAUKEE, WI 53215
MILWAUKEE, WI 53215
MILWAUKEE, WI 53215
MILWAUKEE, WI 53215
MILWAUKEE, WI 53215
MILWAUKEE, WI 53215
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 Chase Isenberger's NPI number?
The NPI number for Chase Isenberger is 1891497020. It was assigned to this individual provider in the NPPES registry on March 21, 2023.
Where is Chase Isenberger located?
Chase Isenberger practices at 2801 W Kinnickinnic River Pkwy, Milwaukee, WI 53215. The listed phone number is (414) 385-1922.
What is Chase Isenberger's specialty?
The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.
Is Chase Isenberger enrolled in Medicare?
Yes. Chase Isenberger 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.
What insurance does Chase Isenberger accept?
Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare), HealthPartners and Network Health and 2 other insurers list Chase Isenberger 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 Chase Isenberger affiliated with any hospitals?
According to CMS data, Chase Isenberger is affiliated with Mercy Health System Corp and Mercy Walworth Hospital & Medical Center.
When was this NPI record last updated?
The NPPES record for Chase Isenberger was last updated on September 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 days 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.
# Mr. Chase M Isenberger, PA · NPI 1891497020
Physician Assistant physician in Milwaukee, Wisconsin. Individual provider, active in the CMS NPPES registry since March 21, 2023.
## Identity
- **NPI:** 1891497020 (Entity type: Individual)
- **Enumerated:** March 21, 2023
- **Primary specialty:** Physician Assistant · taxonomy 363A00000X
- **State license:** 8359 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 2801 W KINNICKINNIC RIVER PKWY, Milwaukee, WI 53215-3669
- **Phone:** (414) 385-1922 · **Fax:** (414) 385-1899
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** Other, class of 2023
## Record status
- **NPPES last updated:** September 29, 2026
- **Other identifiers:** Medicaid 100366809 (WI)
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Source: [NPI Profile](https://npiprofile.com/npi/1891497020) · Data from the CMS NPPES public registry.