DR. WILLIAM MICHAEL BEER M.D.
NPI 1710182092
Emergency Medicine in Wauwatosa, WI
About Dr. William Michael Beer M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. WILLIAM MICHAEL BEER M.D. (NPI 1710182092) is an individual emergency medicine provider in Wauwatosa, Wisconsin, licensed in Wisconsin (64787-20) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS, is affiliated with Ascension Ne Wisconsin - St Elizabeth Campus, and maintains a secondary practice location in San Diego.
NPPES Registry Identity
Specialties & Licenses 3
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 and accepts Medicare assignment
Dr. William Michael Beer M.d. 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
4Medicare enrollment records show William Beer reassigns Medicare billing to 4 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
- Medicare enrollment name: Emergency Medicine Specialists Sc
- 244 clinicians in this Medicare group
Chilton, WI 53014
- Reassigned Medicare billing, Wisconsin enrollment
- 91 clinicians in this Medicare group
Darlington, WI 53530
- Reassigned Medicare billing, Wisconsin enrollment
- 60 clinicians in this Medicare group
Sturgeon Bay, WI 54235
- Reassigned Medicare billing, Wisconsin enrollment
- 131 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, WIAscension All Saints Hospital
Acute Care Hospitals · Racine, WIAscension SE Wisconsin Hospital
Acute Care Hospitals · Milwaukee, WIAscension Wisconsin Hosp Menomonee Falls Campus
Acute Care Hospitals · Menomonee Falls, 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.
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 William Beer's NPI number?
The NPI number for William Beer is 1710182092. It was assigned to this individual provider in the NPPES registry on June 18, 2007.
Where is William Beer located?
William Beer practices at 10625 W North Ave Ste 102, Wauwatosa, WI 53226. The listed phone number is (414) 877-5350.
What is William Beer's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is William Beer enrolled in Medicare?
Yes. William Beer 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 William Beer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Beer reassigns Medicare benefits to 4 organizations: Emergency Medicine Specialists, S.C. (Milwaukee, WI), Ascension Calumet Hospital, Inc (Chilton, WI), Lafayette County (Darlington, WI) and Door County Memorial Hospital (Sturgeon Bay, WI). 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 William Beer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Beer accept?
Health plans from CareSource (Common Ground Healthcare) list William Beer 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 William Beer affiliated with any hospitals?
According to CMS data, William Beer is affiliated with Ascension NE Wisconsin - St Elizabeth Campus, Ascension Columbia St Mary's Hospital Milwaukee, Ascension All Saints Hospital, Ascension SE Wisconsin Hospital and Ascension Wisconsin Hosp Menomonee Falls Campus.
When was this NPI record last updated?
The NPPES record for William Beer was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Dr. William Michael Beer, M.D. · NPI 1710182092
Emergency Medicine physician in Wauwatosa, Wisconsin. Individual provider, active in the CMS NPPES registry since June 18, 2007.
## Identity
- **NPI:** 1710182092 (Entity type: Individual)
- **Enumerated:** June 18, 2007
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 64787-20 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 10625 W NORTH AVE STE 102, Wauwatosa, WI 53226-2315
- **Phone:** (414) 877-5350
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Emergency Medicine Specialists, S.C. (NPI 1568413524, Milwaukee, WI); Ascension Calumet Hospital, Inc (NPI 1376541748, Chilton, WI); Lafayette County (NPI 1114987054, Darlington, WI); Door County Memorial Hospital (NPI 1093743874, Sturgeon Bay, WI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Loyola University Of Chicago, Stritch School Of Medicine, class of 2007
## Record status
- **NPPES last updated:** July 21, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1710182092) · Data from the CMS NPPES public registry.