MARGARET M DUNN M.D.
NPI 1285639765
Family Medicine in Milwaukee, WI
About Margaret M Dunn M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARGARET M DUNN M.D. (NPI 1285639765) is an individual family medicine provider in Milwaukee, Wisconsin, licensed in Wisconsin (36995) and active in the NPI registry since June 2005. She is enrolled in Medicare PECOS and maintains a secondary practice location in Milwaukee.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 4
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Margaret M Dunn M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Margaret Dunn reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Milwaukee, WI 53204
- Reassigned Medicare billing, Wisconsin enrollment
- Medicare enrollment name: 16th Street Community Health Center Inc.
- 147 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 53208 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.
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 Dunn's NPI number?
The NPI number for Margaret Dunn is 1285639765. It was assigned to this individual provider in the NPPES registry on June 20, 2005.
Where is Margaret Dunn located?
Margaret Dunn practices at 3220 W Vliet St, Milwaukee, WI 53208. The listed phone number is (414) 231-4000.
What is Margaret Dunn's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Margaret Dunn enrolled in Medicare?
Yes. Margaret Dunn is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Margaret Dunn's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Dunn reassigns Medicare benefits to Sixteenth Street Community Health Centers, 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 Margaret Dunn'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 Margaret Dunn was last updated on March 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.
# Margaret M Dunn, M.D. · NPI 1285639765
Family Medicine physician in Milwaukee, Wisconsin. Individual provider, active in the CMS NPPES registry since June 20, 2005.
## Identity
- **NPI:** 1285639765 (Entity type: Individual)
- **Enumerated:** June 20, 2005
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 36995 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 3220 W VLIET ST, Milwaukee, WI 53208
- **Phone:** (414) 231-4000 · **Fax:** (414) 342-9306
## 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:** Sixteenth Street Community Health Centers, Inc. (NPI 1316587439, Milwaukee, WI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 7, 2023
- **Other identifiers:** Other 0055569 (WI); Medicaid 32318500 (WI); Other 5103788 (WI); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1285639765) · Data from the CMS NPPES public registry.