MARGARET ANN RYNKIEWICZ
NPI 1073258604
Physician Assistant in Mount Pleasant, WI
About Margaret Ann Rynkiewicz NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARGARET ANN RYNKIEWICZ (NPI 1073258604) is an individual physician assistant in Mount Pleasant, Wisconsin, licensed in Wisconsin (5873-23) and active in the NPI registry since April 2022. She is enrolled in Medicare PECOS, is affiliated with Ascension Columbia St Mary's Hospital Milwaukee, and maintains a secondary practice location in Wauwatosa.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Margaret Ann Rynkiewicz 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.
Areas of Expertise CMS Part B claims 3
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ascension Columbia St Mary's Hospital Milwaukee
Acute Care Hospitals · Milwaukee, WIAurora Medical Center Kenosha
Acute Care Hospitals · Kenosha, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53177 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.
MOUNT PLEASANT, WI 53177
MOUNT PLEASANT, WI 53177
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 Margaret Rynkiewicz's NPI number?
The NPI number for Margaret Rynkiewicz is 1073258604. It was assigned to this individual provider in the NPPES registry on April 28, 2022.
Where is Margaret Rynkiewicz located?
Margaret Rynkiewicz practices at 13250 Washington Ave, Mount Pleasant, WI 53177. The listed phone number is (262) 799-8700.
What is Margaret Rynkiewicz's specialty?
The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.
Is Margaret Rynkiewicz enrolled in Medicare?
Yes. Margaret Rynkiewicz 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 Margaret Rynkiewicz accept?
Health plans from CareSource (Common Ground Healthcare) list Margaret Rynkiewicz 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 Margaret Rynkiewicz affiliated with any hospitals?
According to CMS data, Margaret Rynkiewicz is affiliated with Ascension Columbia St Mary's Hospital Milwaukee and Aurora Medical Center Kenosha.
When was this NPI record last updated?
The NPPES record for Margaret Rynkiewicz was last updated on December 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Margaret Ann Rynkiewicz · NPI 1073258604
Physician Assistant physician in Mount Pleasant, Wisconsin. Individual provider, active in the CMS NPPES registry since April 28, 2022.
## Identity
- **NPI:** 1073258604 (Entity type: Individual)
- **Enumerated:** April 28, 2022
- **Primary specialty:** Physician Assistant · taxonomy 363A00000X
- **State license:** 5873-23 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 13250 WASHINGTON AVE, Mount Pleasant, WI 53177-1516
- **Phone:** (262) 799-8700
## 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 2022
## Record status
- **NPPES last updated:** December 29, 2025
- **Other identifiers:** Medicaid 100219345 (WI)
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Source: [NPI Profile](https://npiprofile.com/npi/1073258604) · Data from the CMS NPPES public registry.