BOYD JOSEPH DECKER CAA
NPI 1649799644
Anesthesiologist Assistant in Grafton, WI
About Boyd Joseph Decker Caa NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
BOYD JOSEPH DECKER CAA (NPI 1649799644) is an individual anesthesiologist assistant in Grafton, Wisconsin and active in the NPI registry since September 2017. He is affiliated with Aurora Medical Center and is a graduate of Other (2017).
NPPES Registry Identity
Specialties & Licenses
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
Boyd Joseph Decker Caa 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 Reassignment
Medicare enrollment records show Boyd Decker reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
West Allis, WI 53227
- Reassigned Medicare billing, Wisconsin enrollment
- 4,609 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 3
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Aurora Medical Center
Acute Care Hospitals · Grafton, WIOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
GRAFTON, WI 53024
GRAFTON, WI 53024
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 Boyd Decker's NPI number?
The NPI number for Boyd Decker is 1649799644. It was assigned to this individual provider in the NPPES registry on September 12, 2017.
Where is Boyd Decker located?
Boyd Decker practices at 975 Port Washington Rd, Grafton, WI 53024. The listed phone number is (262) 329-1000.
What is Boyd Decker's specialty?
The primary specialty registered for this NPI is Anesthesiologist Assistant with taxonomy code 367H00000X.
Is Boyd Decker enrolled in Medicare?
Yes. Boyd Decker 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 organization bills Medicare for Boyd Decker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Boyd Decker reassigns Medicare benefits to Aurora Medical Group, Inc. (West Allis, 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 Boyd Decker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Boyd Decker accept?
Health plans from CareSource (Common Ground Healthcare) list Boyd Decker 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 Boyd Decker affiliated with any hospitals?
According to CMS data, Boyd Decker is affiliated with Aurora Medical Center.
When was this NPI record last updated?
The NPPES record for Boyd Decker was last updated on October 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 31 days 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.
# Boyd Joseph Decker, CAA · NPI 1649799644
Anesthesiologist Assistant physician in Grafton, Wisconsin. Individual provider, active in the CMS NPPES registry since September 12, 2017.
## Identity
- **NPI:** 1649799644 (Entity type: Individual)
- **Enumerated:** September 12, 2017
- **Primary specialty:** Anesthesiologist Assistant · taxonomy 367H00000X
- **Sole proprietor:** No
## Practice location
- **Address:** 975 PORT WASHINGTON RD, Grafton, WI 53024-9201
- **Phone:** (262) 329-1000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** Aurora Medical Group, Inc. (NPI 1457592735, West Allis, WI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** October 5, 2026
- **Other identifiers:** Medicaid 100071883 (WI)
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Source: [NPI Profile](https://npiprofile.com/npi/1649799644) · Data from the CMS NPPES public registry.