DAWN M RITTER MS, LPC
NPI 1841494044
Counselor - Addiction (Substance Use Disorder) in Mequon, WI
About Dawn M Ritter Ms, Lpc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DAWN M RITTER MS, LPC (NPI 1841494044) is an individual addiction (substance use disorder) provider in Mequon, Wisconsin, licensed in Wisconsin (14459-131) and active in the NPI registry since June 2007. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dawn M Ritter Ms, Lpc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Dawn Ritter reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Milwaukee, WI 53211
- Reassigned Medicare billing, Wisconsin enrollment
- Medicare enrollment name: Columbia St Marys Hospital Milwaukee Inc
- 856 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.
Other Providers at the Same Location NPPES 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MEQUON, WI 53092
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 Dawn Ritter's NPI number?
The NPI number for Dawn Ritter is 1841494044. It was assigned to this individual provider in the NPPES registry on June 12, 2007.
Where is Dawn Ritter located?
Dawn Ritter practices at 1500 W Market St Suite 200, Mequon, WI 53092. The listed phone number is (262) 241-6127.
What is Dawn Ritter's specialty?
The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.
Is Dawn Ritter enrolled in Medicare?
Yes. Dawn Ritter is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Dawn Ritter's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Dawn Ritter reassigns Medicare benefits to Columbia St. Mary's Hospital Milwaukee, 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 Dawn Ritter's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Dawn Ritter was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Dawn M Ritter, MS, LPC · NPI 1841494044
Addiction (Substance Use Disorder) provider in Mequon, Wisconsin. Individual provider, active in the CMS NPPES registry since June 12, 2007.
## Identity
- **NPI:** 1841494044 (Entity type: Individual)
- **Enumerated:** June 12, 2007
- **Primary specialty:** Counselor - Addiction (Substance Use Disorder) · taxonomy 101YA0400X
- **State license:** 14459-131 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 1500 W MARKET ST, SUITE 200, Mequon, WI 53092-5098
- **Phone:** (262) 241-6127
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Columbia St. Mary's Hospital Milwaukee, Inc (NPI 1023064482, Milwaukee, WI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 11, 2025
- **Other identifiers:** Medicaid 43594400 (WI)
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Source: [NPI Profile](https://npiprofile.com/npi/1841494044) · Data from the CMS NPPES public registry.