Active NPI 1689600611 Individual Practitioner Male Practitioner

Dr. Michael A Less , MD

Anesthesiology • Elmhurst, IL

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Michael Less, MD is a certified Anesthesiology practicing in Elmhurst, IL. With approximately 43 years of clinical experience since completing medical education in 1983, Dr. Less delivers high-quality medical care to the local community at 155 E BRUSH HILL RD.

Dr. Less is affiliated with University Of Chicago and accepts Medicare assignment.

Frequently performed procedures and clinical services include anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope, insertion of artery tube for blood sampling or infusion through skin, anesthesia for procedure on large bowel using an endoscope. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

155 E Brush Hill Rd

Elmhurst, IL 601265658

Telephone 3312211000

Associated Practice Facility / Clinic

🏢 Elmhurst Memorial Hospital Facility NPI 1932141645

Medicare Profile & Education

Medical School

Other

Graduation Year

1983

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Anesthesiology in Elmhurst, IL

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

43 Yrs +20.4 yrs vs City Avg

City Avg: 22.6 Yrs

State Avg: 28.6 Yrs

Regional Practice Density

31 Specialists

Practicing in Elmhurst, IL (2670 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

89.7% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Less (43 Years) 43 Yrs

Elmhurst Specialty Average (22.6 Years) 22.6 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
00731 Anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope	21	21	$959.64	$95.09
36620 Insertion of artery tube for blood sampling or infusion through skin	17	17	$486.53	$45.62
00811 Anesthesia for procedure on large bowel using an endoscope	15	15	$975.97	$101.36
00790 Anesthesia for procedure in upper abdomen including use of an endoscope	15	15	$3275.83	$363.25
00910 Anesthesia for other procedure on urinary system through urethra	14	14	$974.64	$110.22
01402 Anesthesia for procedure for total knee joint replacement	13	13	$2950.77	$233.98
01922 Anesthesia for x-ray or radiation therapy	12	11	$1270.00	$148.65
00670 Anesthesia for procedure on spine and spinal cord	11	11	$4421.41	$480.25

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
00811 Anesthesia for procedure on large bowel using an endoscope	17	17	$947.24	$104.49
00670 Anesthesia for procedure on spine and spinal cord	17	17	$4907.82	$626.86
36620 Insertion of artery tube for blood sampling or infusion through skin	15	15	$593.93	$46.41
00520 Anesthesia for closed procedure in chest	15	15	$1646.20	$195.40
00790 Anesthesia for procedure in upper abdomen including use of an endoscope	11	11	$2907.36	$392.87

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
00142 Anesthesia for lens surgery	28	27	$986.46	$131.26
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	27	27	$714.00	$32.04
64415 Injection of anesthetic agent, brachial (arm) nerve bundle	19	19	$1374.00	$66.02
01638 Anesthesia for open or endoscopic total shoulder joint replacement	16	16	$3161.81	$320.92
00840 Anesthesia for procedure in lower abdominal cavity including use of an endoscope	15	15	$2701.60	$265.33
00811 Anesthesia for procedure on large bowel using an endoscope	14	14	$1035.96	$136.09
01402 Anesthesia for procedure for total knee joint replacement	12	12	$2960.38	$331.18

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
01402 Anesthesia for procedure for total knee joint replacement	23	23	$2827.83	$276.35
00811 Anesthesia for procedure on large bowel using an endoscope	17	17	$1008.00	$125.84
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	17	17	$692.00	$30.87
01214 Anesthesia for total hip replacement	13	13	$2893.54	$281.10
64415 Injection of anesthetic agent, brachial (arm) nerve bundle	12	12	$1332.00	$61.90
00813 Anesthesia for procedure on small and large bowel using an endoscope	11	11	$1275.64	$180.40

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
01402 Anesthesia for procedure for total knee joint replacement	29	29	$2680.43	$205.28
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	25	25	$671.00	$33.42
99231 Follow-up hospital inpatient care per day, typically 15 minutes	20	20	$253.00	$41.73
01214 Anesthesia for total hip replacement	20	20	$2692.35	$312.87
01480 Anesthesia for open procedure on bones of lower leg, ankle and foot	17	16	$1247.29	$164.65
00910 Anesthesia for other procedure on urinary system through urethra	16	16	$948.41	$111.73
00142 Anesthesia for lens surgery	14	14	$954.36	$142.80
00790 Anesthesia for procedure in upper abdomen including use of an endoscope	14	14	$2694.79	$263.97
64415 Injection of anesthetic agent, brachial (arm) nerve bundle	12	12	$1291.00	$68.86
00630 Anesthesia for other procedure on lower spine	12	12	$2593.67	$295.31

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
01402 Anesthesia for procedure for total knee joint replacement	41	41	$2689.02	$212.00
00670 Anesthesia for procedure on spine and spinal cord	33	33	$4222.27	$336.17
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	26	26	$649.00	$33.50
99231 Follow-up hospital inpatient care per day, typically 15 minutes	23	23	$250.00	$41.40
00142 Anesthesia for lens surgery	22	21	$978.41	$103.21
01214 Anesthesia for total hip replacement	22	22	$2702.73	$217.93
01480 Anesthesia for open procedure on bones of lower leg, ankle and foot	21	21	$1258.57	$123.75
00731 Anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope	20	20	$1050.00	$110.65
00145 Anesthesia for retinal surgery	17	17	$1607.65	$132.20
00400 Anesthesia for procedure on skin of arms, legs, or trunk	17	17	$1249.41	$117.17
00840 Anesthesia for procedure in lower abdominal cavity including use of an endoscope	15	15	$2484.00	$203.41
36620 Insertion of artery tube for blood sampling or infusion through skin	14	14	$589.00	$45.21
00790 Anesthesia for procedure in upper abdomen including use of an endoscope	14	14	$2993.57	$250.51
64447 Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve)	12	12	$874.00	$59.36

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
01402 Anesthesia for procedure for total knee joint replacement	50	49	$2528.22	$241.34
00142 Anesthesia for lens surgery	34	34	$934.82	$106.70
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	33	33	$627.00	$32.80
99231 Follow-up hospital inpatient care per day, typically 15 minutes	27	27	$251.48	$41.31
00670 Anesthesia for procedure on spine and spinal cord	23	23	$3737.22	$339.18
00731 Anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope	20	20	$974.40	$111.21
01214 Anesthesia for total hip replacement	15	15	$2492.07	$246.36
64447 Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve)	15	15	$762.67	$68.71
64415 Injection of anesthetic agent, brachial (arm) nerve bundle	15	15	$1207.00	$69.62
00811 Anesthesia for procedure on large bowel using an endoscope	15	15	$954.10	$118.79
00910 Anesthesia for other procedure on urinary system through urethra	12	12	$994.46	$120.03
00300 Anesthesia for other procedure on skin, muscles, or nerves of head, neck, and upper back	11	11	$1502.73	$191.05

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
00142 Anesthesia for lens surgery	37	37	$874.81	$94.72
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	27	27	$605.00	$33.13
01402 Anesthesia for procedure for total knee joint replacement	23	23	$2347.13	$224.84
00810 Anesthesia for procedure on lower intestine using an endoscope	22	22	$1153.09	$138.42
00145 Anesthesia for retinal surgery	21	20	$1649.33	$167.21
00400 Anesthesia for procedure on skin of arms, legs, or trunk	19	18	$1042.63	$120.57
64415 Injection of anesthetic agent, brachial (arm) nerve bundle	17	17	$1165.00	$67.93
99231 Follow-up hospital inpatient care per day, typically 15 minutes	15	15	$250.00	$40.50
01214 Anesthesia for total hip replacement	15	15	$2758.93	$241.42
00740 Anesthesia for procedure on gastrointestinal tract using an endoscope	15	15	$1090.13	$131.95
00910 Anesthesia for other procedure on urinary system through urethra	12	12	$815.50	$107.97
00790 Anesthesia for procedure in upper abdomen including use of an endoscope	12	12	$2912.00	$280.10
36620 Insertion of artery tube for blood sampling or infusion through skin	11	11	$549.00	$53.81

Medical Specialties & State Licenses

Anesthesiology Primary Specialty

NUCC Taxonomy Code: 207L00000X

State License IL 036070085

An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.

Hospital & Practice Group Affiliations

University Of Chicago

5841 S Maryland Ave, Chicago, IL 606371443

Phone: 8888240200

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners

Dr. Kevin Emmerich , MD

Emergency Medicine

NPI 1043606841

Doctor of Medicine (M.D.)

Dr. Erin Daley , DNP, APRN, FNP-BC

Nurse Practitioner

NPI 1083185904

Doctor of Nursing Practice, Advanced Practice Registered Nurse, Family Nurse Practitioner (Board Certified)

Tamara Petre

Registered Nurse

NPI 1083869523

Nikola Roszko Augustynowicz , APN-CNP

Nurse Practitioner

NPI 1104604255

APNCNP

Rosalba Rubino

Nurse Practitioner

NPI 1104639830

Dr. Laura Hahn , MD

Anesthesiology

NPI 1104852177

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

11 Historical Events

✅

NPI Profile Active May 12, 2017

NPI status registered as active in NPPES database

📍

Updated Practice Location May 12, 2017

Registered at 155 E BRUSH HILL RD, ELMHURST, IL 601265658 (Tel: 3312211000)

📍

Updated Business Mailing Address May 12, 2017

Registered at 255 W MICHIGAN AVE, JACKSON, MI 492012218 (Tel: 5177876440)

👤

Provider Name / Credentials Updated May 12, 2017

Recorded as MICHAEL LESS, M.D

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) May 12, 2017

Anesthesiology (License #036070085 in IL)

✅

NPI Profile Active October 10, 2007

NPI status registered as active in NPPES database

📍

Updated Practice Location October 10, 2007

Registered at 200 BERTEAU AVE, ELMHURST, IL 601262966 (Tel: 6308331400)

📍

Updated Business Mailing Address October 10, 2007

Registered at 255 W MICHIGAN AVE, JACKSON, MI 492012218 (Tel: 5177876440)

👤

Provider Name / Credentials Updated October 10, 2007

Recorded as MICHAEL LESS, M.D

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) October 10, 2007

Anesthesiology

🟢

Initial NPI Registration & Enumeration June 23, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1689600611

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: June 23, 2006

Last Update: May 12, 2017

Sole Proprietor: No

Update or Correct Profile

Mailing Address

255 W Michigan Ave

Jackson, MI 492012218

Phone: 5177876440

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.