MARY R C SEIDL CPNP-AC, RN
NPI 1295056828
Nurse Practitioner - Pediatrics, Critical Care in Milwaukee, WI
About Mary R C Seidl Cpnp-ac, Rn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY R C SEIDL CPNP-AC, RN (NPI 1295056828) is an individual pediatrics, critical care provider in Milwaukee, Wisconsin, licensed in Wisconsin (9275) and active in the NPI registry since June 2010. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Other Names 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 (PECOS)
Mary R C Seidl Cpnp-ac, Rn is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Mary Seidl reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Milwaukee, WI 53226
- Reassigned Medicare billing, Wisconsin enrollment
- 3,983 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 53226 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 53226
MILWAUKEE, WI 53226
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 Mary Seidl's NPI number?
The NPI number for Mary Seidl is 1295056828. It was assigned to this individual provider in the NPPES registry on June 17, 2010. The provider is also known as Mary R Cooper Cpnp-Ac, Rn.
Where is Mary Seidl located?
Mary Seidl practices at 9000 W Wisconsin Ave, Milwaukee, WI 53226. The listed phone number is (414) 266-3360.
What is Mary Seidl's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, Critical Care, with taxonomy code 363LP0222X.
Is Mary Seidl enrolled in Medicare?
Yes. Mary Seidl is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Mary Seidl's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Seidl reassigns Medicare benefits to The Medical College Of Wisconsin, Inc. (Milwaukee, WI). The 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 Mary Seidl's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mary Seidl accept?
Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare) and Network Health list Mary Seidl 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 Mary Seidl was last updated on February 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.
# Mary R C Seidl, CPNP-AC, RN · NPI 1295056828
Pediatrics, Critical Care physician in Milwaukee, Wisconsin. Individual provider, active in the CMS NPPES registry since June 17, 2010.
## Identity
- **NPI:** 1295056828 (Entity type: Individual)
- **Enumerated:** June 17, 2010
- **Primary specialty:** Nurse Practitioner - Pediatrics, Critical Care · taxonomy 363LP0222X
- **State license:** 9275 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 9000 W WISCONSIN AVE, Milwaukee, WI 53226-4874
- **Phone:** (414) 266-3360 · **Fax:** (414) 266-3563
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** The Medical College Of Wisconsin, Inc. (NPI 1699720086, Milwaukee, WI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 7, 2023
- **Other identifiers:** Medicaid 1295056828 (WI)
---
Source: [NPI Profile](https://npiprofile.com/npi/1295056828) · Data from the CMS NPPES public registry.