Doctor profile · Federal record

Dr. Aaron Demler-Barth

Certified Registered Nurse Anesthetist (CMS: Certified Registered Nurse Anesthetist (CRNA)) · Milwaukee, WI

  • NPI 1588138366
  • Accepts Medicare
  • 8 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
9200 W Wisconsin Ave
Milwaukee, WI 532263522
(414) 805-3000

Credentials & registration

NPPES · NUCC
NPI registered
January 2019 — 7 yrs on file
Profile last updated
July 25, 2024
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
367500000X — NUCC code
State license (1)
Wisconsin #9060-33
Medicaid
WI #100086001

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1588138366. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
25
Distinct HCPCS
2
Medicare allowed
$1,710
HCPCS Description Services Patients Avg allowed
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 14 14 $77
00811 Anesthesia for other procedure on large bowel using an endoscope 11 11 $58

In context: peer comparison

Among 29 peers in this city , average services per provider: 26. This provider delivers 1.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Aaron Demler-Barth's medical specialty?
Dr. Aaron Demler-Barth practices Certified Registered Nurse Anesthetist in Milwaukee, WI.
Where does Dr. Aaron Demler-Barth practice?
Dr. Aaron Demler-Barth practices at 9200 W Wisconsin Ave, Milwaukee, WI 532263522. Office phone: 4148053000.
What is Dr. Aaron Demler-Barth's NPI?
Dr. Aaron Demler-Barth's National Provider Identifier (NPI) is 1588138366, issued by NPPES.
Does Dr. Aaron Demler-Barth accept Medicare assignment?
Yes. Dr. Aaron Demler-Barth accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Aaron Demler-Barth commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731); Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811). Source: CMS Medicare Physician & Other Practitioners file.