Doctor profile · Federal record

Dr. Michael Bills, CAA

Anesthesiologist Assistant (CMS: Anesthesiology Assistant) · West Allis, WI

  • NPI 1184149387
  • Accepts Medicare
  • 9 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
8901 W Lincoln Ave
West Allis, WI 532272409
(414) 328-6000
Additional location
2301 N Lake Dr
Milwaukee, WI 532114508
(262) 923-3737
Mailing address
3301 W Forest Home Ave
Milwaukee, WI 532152843

Credentials & registration

NPPES · NUCC
NPI registered
August 2017 — 9 yrs on file
Profile last updated
December 8, 2021
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
367H00000X — NUCC code
State license (1)
Wisconsin #99-017
Medicaid
WI #100072987

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1184149387. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
100
Distinct HCPCS
5
Medicare allowed
$6,242
HCPCS Description Services Patients Avg allowed
00811 Anesthesia for other procedure on large bowel using an endoscope 37 37 $61
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 20 20 $66
00142 Anesthesia for lens surgery 17 17 $57
00812 Anesthesia for exam of colon using an endoscope 13 13 $50
00813 Anesthesia for procedure on small and large bowel using an endoscope 13 13 $79

In context: peer comparison

Among 4 peers in West Allis Anesthesiologist Assistant, average services per provider: 25. This provider delivers 4.0× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Bills's medical specialty?
Dr. Michael Bills practices Anesthesiologist Assistant in West Allis, WI.
Where does Dr. Michael Bills practice?
Dr. Michael Bills practices at 8901 W Lincoln Ave, West Allis, WI 532272409. Office phone: 4143286000.
What is Dr. Michael Bills's NPI?
Dr. Michael Bills's National Provider Identifier (NPI) is 1184149387, issued by NPPES.
Does Dr. Michael Bills accept Medicare assignment?
Yes. Dr. Michael Bills accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Bills commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811); Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731); Anesthesia for lens surgery (HCPCS 00142). Source: CMS Medicare Physician & Other Practitioners file.