MARTIN CRAIG DUN MD
NPI 1457886277
Emergency Medicine in Milwaukee, WI
About Martin Craig Dun Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARTIN CRAIG DUN MD (NPI 1457886277) is an individual emergency medicine provider in Milwaukee, Wisconsin, licensed in Wisconsin (75839) and active in the NPI registry since April 2017. He is enrolled in Medicare PECOS, is affiliated with Ascension Ne Wisconsin - St Elizabeth Campus, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 3
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 and accepts Medicare assignment
Martin Craig Dun Md 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.
Medicare Billing Reassignments
7Medicare enrollment records show Martin Dun reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Milwaukee, WI 53226
- Reassigned Medicare billing, Wisconsin enrollment
- 3,983 clinicians in this Medicare group
Milwaukee, WI 53226
- Reassigned Medicare billing, Wisconsin enrollment
- Medicare enrollment name: Emergency Medicine Specialists Sc
- 244 clinicians in this Medicare group
Menomonee Falls, WI 53051
- Reassigned Medicare billing, Wisconsin enrollment
- 2,294 clinicians in this Medicare group
Fort Atkinson, WI 53538
- Reassigned Medicare billing, Wisconsin enrollment
- 67 clinicians in this Medicare group
Beloit, WI 53511
- Reassigned Medicare billing, Wisconsin enrollment
- 110 clinicians in this Medicare group
Plover, WI 54467
- Reassigned Medicare billing, Wisconsin enrollment
- 2,476 clinicians in this Medicare group
Marshfield, WI 54449
- Reassigned Medicare billing, Wisconsin enrollment
- 2,540 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.
Areas of Expertise CMS Part B claims 4
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ascension NE Wisconsin - St Elizabeth Campus
Acute Care Hospitals · Appleton, WIAscension Columbia St Mary's Hospital Milwaukee
Acute Care Hospitals · Milwaukee, WISt Josephs Community Hospital West Bend
Acute Care Hospitals · West Bend, WIAscension All Saints Hospital
Acute Care Hospitals · Racine, WIAscension SE Wisconsin Hospital
Acute Care Hospitals · Milwaukee, WIPhysician 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.
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.
MILWAUKEE, WI 53226
MILWAUKEE, WI 53226
MILWAUKEE, WI 53226
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 Martin Dun's NPI number?
The NPI number for Martin Dun is 1457886277. It was assigned to this individual provider in the NPPES registry on April 30, 2017.
Where is Martin Dun located?
Martin Dun practices at 9200 W Wisconsin Ave, Milwaukee, WI 53226. The listed phone number is (414) 955-6450.
What is Martin Dun's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Martin Dun enrolled in Medicare?
Yes. Martin Dun 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.
Which organizations bill Medicare for Martin Dun's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Martin Dun reassigns Medicare benefits to 7 organizations: The Medical College Of Wisconsin, Inc. (Milwaukee, WI), Emergency Medicine Specialists, S.C. (Milwaukee, WI), Froedtert & the Medical College Of Wisconsin Community Physicians, Inc. (Menomonee Falls, WI), Swea Fort Sc (Fort Atkinson, WI), Southern Wisconsin Emergency Associates Sc (Beloit, WI) and 2 more organizations, listed in the Medicare section above. 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 Martin Dun's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Martin Dun accept?
Health plans from Anthem Blue Cross and Blue Shield and CareSource (Common Ground Healthcare) list Martin Dun 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 Martin Dun affiliated with any hospitals?
According to CMS data, Martin Dun is affiliated with Ascension NE Wisconsin - St Elizabeth Campus, Ascension Columbia St Mary's Hospital Milwaukee, St Josephs Community Hospital West Bend, Ascension All Saints Hospital and Ascension SE Wisconsin Hospital.
When was this NPI record last updated?
The NPPES record for Martin Dun was last updated on June 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# Martin Craig Dun, MD · NPI 1457886277
Emergency Medicine physician in Milwaukee, Wisconsin. Individual provider, active in the CMS NPPES registry since April 30, 2017.
## Identity
- **NPI:** 1457886277 (Entity type: Individual)
- **Enumerated:** April 30, 2017
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 75839 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 9200 W WISCONSIN AVE, Milwaukee, WI 53226-3522
- **Phone:** (414) 955-6450 · **Fax:** (414) 955-0082
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 7 organizations under Medicare reassignment (form CMS-855R): The Medical College Of Wisconsin, Inc. (NPI 1699720086, Milwaukee, WI); Emergency Medicine Specialists, S.C. (NPI 1568413524, Milwaukee, WI); Froedtert & the Medical College Of Wisconsin Community Physicians, Inc. (NPI 1568787448, Menomonee Falls, WI); Swea Fort Sc (NPI 1295552065, Fort Atkinson, WI); Southern Wisconsin Emergency Associates Sc (NPI 1568538189, Beloit, WI); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Cincinnati College Of Medicine, class of 2017
## Record status
- **NPPES last updated:** June 16, 2025
- **Other identifiers:** Medicaid 1457886277 (WI)
---
Source: [NPI Profile](https://npiprofile.com/npi/1457886277) · Data from the CMS NPPES public registry.