Doctor profile · Federal record

Dr. Michael Less, M.D

Anesthesiology Physician (CMS: Anesthesiology) · Elmhurst, IL

  • NPI 1689600611
  • Accepts Medicare
  • MIPS 87.7 / 100 · 2023
  • 43 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
155 E Brush Hill RD
Elmhurst, IL 601265658
(331) 221-1000
Mailing address
255 W Michigan Ave
Jackson, MI 492012218

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
May 12, 2017
Year of graduation
1983 — 43 yrs since
Specialty taxonomy
207L00000X — NUCC code
State license (1)
Illinois #036070085

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1689600611. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
75
Distinct HCPCS
5
Medicare allowed
$20,382
HCPCS Description Services Patients Avg allowed
00670 Anesthesia for extensive surgery on spine 17 17 $627
00811 Anesthesia for other procedure on large bowel using an endoscope 17 17 $104
00520 Anesthesia for other closed procedure on chest 15 15 $195
36620 Insertion of artery tube for blood sampling or infusion through skin 15 15 $46
00790 Anesthesia for other procedure on upper abdomen 11 11 $393

In context: peer comparison

Among 6 peers in this city , average services per provider: 21. This provider delivers 3.6× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Less's medical specialty?
Dr. Michael Less practices Anesthesiology Physician in Elmhurst, IL.
Where does Dr. Michael Less practice?
Dr. Michael Less practices at 155 E Brush Hill RD, Elmhurst, IL 601265658. Office phone: 3312211000.
What is Dr. Michael Less's NPI?
Dr. Michael Less's National Provider Identifier (NPI) is 1689600611, issued by NPPES.
Does Dr. Michael Less accept Medicare assignment?
Yes. Dr. Michael Less accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Less commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for extensive surgery on spine (HCPCS 00670); Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811); Anesthesia for other closed procedure on chest (HCPCS 00520). Source: CMS Medicare Physician & Other Practitioners file.