NPPES file of Aug 9, 2026

Michael James Bills, CAA

Anesthesiologist Assistant · West Allis, WI

Michael James Bills, CAA is an anesthesiologist assistant with a practice address in West Allis, Wisconsin, and NPI 1184149387, issued on Aug 8, 2017. Check the license (Wisconsin 99-017, as entered in NPPES) 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
1184149387
Name
Michael James Bills
Credential
CAA
Primary taxonomy
Anesthesiologist Assistant 367H00000X
License number
99-017 WI
Self-reported in NPPES; status is on the state search
Practice location
8901 W Lincoln Ave, West Allis, WI 53227
Phone
(414) 328-6000
Enumerated
Aug 8, 2017
Record last updated
Dec 8, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicaid ID
100072987 WI
Medicare enrollment
Enrolled (PECOS I20171110002153); 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 8901 W Lincoln Ave

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

  1. Amrou Abdelkader, MDAnatomic Pathology & Clinical Pathology Physician1316364698
  2. Adekunle Adesokan, M.D.Anatomic Pathology & Clinical Pathology Physician1790777043
  3. Raheel Akhtar, MDHospitalist Physician1750904132
  4. Tara Alauf, CRNACertified Registered Nurse Anesthetist1639534191
  5. Orlando Alvarez, M.D.Hospitalist Physician1093731929
  6. John Amuzu, M.D.Anesthesiology Physician1609859651

Verify Michael James Bills in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
    Search for license 99-017    Check 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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Aurora Medical Group, Inc.West Allis, WI

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

Michael James Bills among 264 anesthesiologist assistant records in Wisconsin

Michael James Bills, 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 updated2021 · 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).

Anesthesiologist Assistant providers in Wisconsin

There are 264 anesthesiologist assistant records in Wisconsin.

All 264 in Wisconsin → Every provider in West Allis → Anesthesiologist Assistant nationwide →

The 8 anesthesiologist assistant records with the nearest ZIP codes

  1. Cassandra Hertrampf, C-AAWest Allis, WI 532271619402781
  2. Melissa KaufmannWest Allis, WI 532271811652340
  3. Taylor Morris, AAWest Allis, WI 532271700540267
  4. Madeline Schafer, CAAWest Allis, WI 532271962060905
  5. Trevor TolmanWest Allis, WI 532271124544127
  6. Rania Alzubeidi, CAAMilwaukee, WI 532261902764186
  7. Calvin Dassow, AAMilwaukee, WI 532261780491464
  8. Kimberly Golden, CAAMilwaukee, WI 532261124985494

Common questions

What is Michael James Bills, CAA's NPI number?

Michael James Bills, CAA's National Provider Identifier (NPI) is 1184149387, issued on Aug 8, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Michael James Bills, CAA located?

The NPPES record lists a practice address at 8901 W Lincoln Ave, West Allis, WI, 53227. Phone: (414) 328-6000. Providers update this record themselves, so call before visiting.

How can I verify Michael James Bills, CAA's license?

NPPES lists Wisconsin license number 99-017, as entered by the provider. 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.