ANTHONY MARCHLEWSKI MD
NPI 1811685563
Family Medicine in Waukesha, WI
About Anthony Marchlewski Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANTHONY MARCHLEWSKI MD (NPI 1811685563) is an individual family medicine provider in Waukesha, Wisconsin, licensed in Illinois (036179659) and active in the NPI registry since April 2023. He is enrolled in Medicare PECOS, maintains a secondary practice location in Waukesha, and is a graduate of Commonwealth Medical College (2023).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 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)
Anthony Marchlewski Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Anthony Marchlewski reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Mchenry, IL 60050
- Reassigned Medicare billing, Illinois enrollment
- 99 clinicians in this Medicare group
Rockford, IL 61107
- Reassigned Medicare billing, Illinois enrollment
- 23 clinicians in this Medicare group
Rockford, IL 61104
- Reassigned Medicare billing, Illinois enrollment
- 30 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 53188 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.
WAUKESHA, WI 53188
WAUKESHA, WI 53188
WAUKESHA, WI 53188
WAUKESHA, WI 53188
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 Anthony Marchlewski's NPI number?
The NPI number for Anthony Marchlewski is 1811685563. It was assigned to this individual provider in the NPPES registry on April 28, 2023.
Where is Anthony Marchlewski located?
Anthony Marchlewski practices at 210 NW Barstow St, Waukesha, WI 53188. The listed phone number is (262) 548-6903.
What is Anthony Marchlewski's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Anthony Marchlewski enrolled in Medicare?
Yes. Anthony Marchlewski is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Anthony Marchlewski's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Anthony Marchlewski reassigns Medicare benefits to 3 organizations: Rosecrance, Inc. (Mchenry, IL), Aspen Counseling & Consulting LLC (Rockford, IL) and The Board Of Trustees Of The University Of Illinois (Rockford, IL). 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 Anthony Marchlewski's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Anthony Marchlewski accept?
Health plans from Quartz list Anthony Marchlewski 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 Anthony Marchlewski was last updated on July 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Anthony Marchlewski, MD · NPI 1811685563
Family Medicine physician in Waukesha, Wisconsin. Individual provider, active in the CMS NPPES registry since April 28, 2023.
## Identity
- **NPI:** 1811685563 (Entity type: Individual)
- **Enumerated:** April 28, 2023
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 036179659 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 210 NW BARSTOW ST, Waukesha, WI 53188-3771
- **Phone:** (262) 548-6903
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Rosecrance, Inc. (NPI 1447618129, Mchenry, IL); Aspen Counseling & Consulting LLC (NPI 1326288994, Rockford, IL); The Board Of Trustees Of The University Of Illinois (NPI 1306486022, Rockford, IL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Commonwealth Medical College, class of 2023
## Record status
- **NPPES last updated:** July 30, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1811685563) · Data from the CMS NPPES public registry.