Doctor profile · Federal record

Dr. Spencer Leblang, M.D.

Anesthesiology Physician (CMS: Anesthesiology) · Chicago, IL

  • NPI 1154852952
  • Accepts Medicare
  • 9 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1653 W Congress Pkwy
Chicago, IL 606123833
(312) 942-3134
Mailing address
1653 W Congress Pkwy Ste 739
Chicago, IL 606123833

Credentials & registration

NPPES · NUCC
NPI registered
March 2017 — 9 yrs on file
Profile last updated
July 17, 2019
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
207L00000X — NUCC code
State license (1)
Illinois #125071253

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1154852952. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
160
Distinct HCPCS
8
Medicare allowed
$16,608
HCPCS Description Services Patients Avg allowed
00104 Anesthesia for electroshock therapy 33 17 $88
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 33 31 $90
00811 Anesthesia for other procedure on large bowel using an endoscope 32 31 $87
36620 Insertion of artery tube for blood sampling or infusion through skin 14 14 $47
00520 Anesthesia for other closed procedure on chest 12 12 $247
00813 Anesthesia for procedure on small and large bowel using an endoscope 12 12 $108
01402 Anesthesia for procedure for total knee joint replacement 12 12 $223
76942 Ultrasonic guidance for needle placement 12 11 $33

In context: peer comparison

Among 212 peers in Chicago Anesthesiology Physician, average services per provider: 66. This provider delivers 2.4× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Spencer Leblang's medical specialty?
Dr. Spencer Leblang practices Anesthesiology Physician in Chicago, IL.
Where does Dr. Spencer Leblang practice?
Dr. Spencer Leblang practices at 1653 W Congress Pkwy, Chicago, IL 606123833. Office phone: 3129423134.
What is Dr. Spencer Leblang's NPI?
Dr. Spencer Leblang's National Provider Identifier (NPI) is 1154852952, issued by NPPES.
Does Dr. Spencer Leblang accept Medicare assignment?
Yes. Dr. Spencer Leblang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Spencer Leblang commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for electroshock therapy (HCPCS 00104); 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.