ALEXANDRA A ERDMANN MD
NPI 1447607213
Internal Medicine - Interventional Cardiology in Madison, WI
About Alexandra A Erdmann Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALEXANDRA A ERDMANN MD (NPI 1447607213) is an individual interventional cardiology provider in Madison, Wisconsin, licensed in Wisconsin (69471-20) and active in the NPI registry since May 2016. She is enrolled in Medicare PECOS, maintains a secondary practice location in La Crosse, and is a graduate of University Of Wisconsin School Of Medicine (2016).
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Location 1
Other Identifiers 1
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
Alexandra A Erdmann 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
8Medicare enrollment records show Alexandra Erdmann reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Middleton, WI 53562
- Reassigned Medicare billing, Wisconsin enrollment
- 2,832 clinicians in this Medicare group
Wisconsin Dells, WI 53965
- Reassigned Medicare billing, Wisconsin enrollment
- 189 clinicians in this Medicare group
Adams, WI 53910
- Reassigned Medicare billing, Wisconsin enrollment
- 397 clinicians in this Medicare group
Elm Grove, WI 53122
- Reassigned Medicare billing, Wisconsin enrollment
- 1,457 clinicians in this Medicare group
West Allis, WI 53227
- Reassigned Medicare billing, Wisconsin enrollment
- 4,609 clinicians in this Medicare group
Sheboygan, WI 53081
- Reassigned Medicare billing, Wisconsin enrollment
- 673 clinicians in this Medicare group
Stevens Point, WI 54482
- Reassigned Medicare billing, Wisconsin enrollment
- 633 clinicians in this Medicare group
Green Bay, WI 54304
- Reassigned Medicare billing, Wisconsin enrollment
- 742 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.
Physician 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.
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.
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 Alexandra Erdmann's NPI number?
The NPI number for Alexandra Erdmann is 1447607213. It was assigned to this individual provider in the NPPES registry on May 20, 2016.
Where is Alexandra Erdmann located?
Alexandra Erdmann practices at 600 Highland Ave, Madison, WI 53792. The listed phone number is (608) 263-6420.
What is Alexandra Erdmann's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.
Is Alexandra Erdmann enrolled in Medicare?
Yes. Alexandra Erdmann 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 Alexandra Erdmann's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexandra Erdmann reassigns Medicare benefits to 8 organizations: University Of Wisconsin Medical Foundation, Inc (Middleton, WI), Mile Bluff Medical Center Inc (Wisconsin Dells, WI), Aspirus Riverview Hospital & Clinics, Inc. (Adams, WI), Gundersen Lutheran Medical Center Inc (Elm Grove, WI), Aurora Medical Group, Inc. (West Allis, WI) and 3 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 Alexandra Erdmann's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alexandra Erdmann accept?
Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare), Dean Health Plan and Group Health Cooperative-SCW and 3 other insurers list Alexandra Erdmann 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.
When was this NPI record last updated?
The NPPES record for Alexandra Erdmann was last updated on April 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Alexandra A Erdmann, MD · NPI 1447607213
Interventional Cardiology physician in Madison, Wisconsin. Individual provider, active in the CMS NPPES registry since May 20, 2016.
## Identity
- **NPI:** 1447607213 (Entity type: Individual)
- **Enumerated:** May 20, 2016
- **Primary specialty:** Internal Medicine - Interventional Cardiology · taxonomy 207RI0011X
- **State license:** 69471-20 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 600 HIGHLAND AVE, Madison, WI 53792-0001
- **Phone:** (608) 263-6420
## 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:** 8 organizations under Medicare reassignment (form CMS-855R): University Of Wisconsin Medical Foundation, Inc (NPI 1598784555, Middleton, WI); Mile Bluff Medical Center Inc (NPI 1487734380, Wisconsin Dells, WI); Aspirus Riverview Hospital & Clinics, Inc. (NPI 1114411287, Adams, WI); Gundersen Lutheran Medical Center Inc (NPI 1548992316, Elm Grove, WI); Aurora Medical Group, Inc. (NPI 1457592735, West Allis, WI); and 3 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Wisconsin School Of Medicine, class of 2016
## Record status
- **NPPES last updated:** April 8, 2025
- **Other identifiers:** Medicaid 100057164 (WI)
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Source: [NPI Profile](https://npiprofile.com/npi/1447607213) · Data from the CMS NPPES public registry.