NPPES file of Aug 9, 2026

Boyd Joseph Decker, CAA

Anesthesiologist Assistant · Grafton, WI

Boyd Joseph Decker, CAA is an anesthesiologist assistant with a practice address in Grafton, Wisconsin, and NPI 1649799644, issued on Sep 12, 2017. Check the license with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1649799644
Name
Boyd Joseph Decker
Credential
CAA
Primary taxonomy
Anesthesiologist Assistant 367H00000X
Practice location
975 Port Washington RD, Grafton, WI 53024
Phone
(262) 329-1000
Enumerated
Sep 12, 2017
Record last updated
Jun 5, 2023
Medicaid ID
100071883 WI
Medicare enrollment
Enrolled (PECOS I20171108000247); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest anesthesiologist assistant records → All 264 in Wisconsin → Look up another NPI →

Also registered at 975 Port Washington RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Hamid Afsari, D.O.Hospitalist Physician1053672048
  2. Muhammed Al-Fawakhiri, MDInternal Medicine Physician1942276613
  3. Beverly Altman, LMTMassage Therapist1447888789
  4. Claudia Altmann, MDInfectious Disease Physician1386691756
  5. Peter Andrew, AAAnesthesiologist Assistant1821704545
  6. Patrick AndrewsPhysical Therapist1689481962

Verify Boyd Joseph Decker in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Wisconsin board licenses this professionCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Wisconsin license search

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Bills Medicare through one group practice

  1. Aurora Medical Group, Inc.Grafton, WI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Boyd Joseph Decker among 264 anesthesiologist assistant records in Wisconsin

Boyd Joseph Decker, CAA is one of 264 anesthesiologist assistant records with a practice address in Wisconsin. 95% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 34% of them.

  • NPI issued2017 · 34% of these records are older, 63% newer
  • In a Medicare fileYes · 95% of these records are
  • In the CMS Doctors and Clinicians fileYes · 93% of these records are
  • Graduated2017 · median 2020 among the 246 with a school on file
  • Record last updated2023 · 32% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 367H00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

7 anesthesiologist assistant records list a practice address in Grafton

They are 7 of the 459 NPPES records with a practice address in Grafton, and 264 anesthesiologist assistant records in Wisconsin.

All 264 in Wisconsin → Every provider in Grafton → Anesthesiologist Assistant nationwide →

The 8 anesthesiologist assistant records with the nearest ZIP codes

  1. Peter Andrew, AAGrafton, WI 530241821704545
  2. Samiha Fatayer, AAGrafton, WI 530241609605021
  3. Umbreen Iqbal, CAAGrafton, WI 530241871482851
  4. Kara Kohlmann, AAGrafton, WI 530241538913538
  5. Hector Sierra Escobedo, AA-CGrafton, WI 530241538629274
  6. Natasha Voves, AAGrafton, WI 530241275302325
  7. Kojo BempongWauwatosa, WI 530221134675358
  8. Dylan Bray, AABrookfield, WI 530051790135457

Common questions

What is Boyd Joseph Decker, CAA's NPI number?

Boyd Joseph Decker, CAA's National Provider Identifier (NPI) is 1649799644, issued on Sep 12, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Boyd Joseph Decker, CAA located?

The NPPES record lists a practice address at 975 Port Washington RD, Grafton, WI, 53024. Phone: (262) 329-1000. Providers update this record themselves, so call before visiting.

How can I verify Boyd Joseph Decker, CAA's license?

Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.