Doctor profile · Federal record

Dr. Nicholas Ludmer, M.D.

Emergency Medicine Physician (CMS: Emergency Medicine) · Chicago, IL

  • NPI 1861811523
  • Accepts Medicare
  • MIPS 87.7 / 100 · 2023
  • 12 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
5841 S Maryland Ave
Chicago, IL 60637
(773) 834-4180
Additional location
234 Goodman St, Center for Emergency Care
Cincinnati, OH 452192364
(513) 558-8114
fax (513) 558-5791
Mailing address
150 Harvester Dr Ste 300
Burr Ridge, IL 605275965

Credentials & registration

NPPES · NUCC
NPI registered
April 2014 — 12 yrs on file
Profile last updated
August 17, 2018
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Illinois #036.146987

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1861811523. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
341
Distinct HCPCS
4
Medicare allowed
$58,159
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 215 203 $193
99284 Emergency department visit with moderate level of medical decision making 87 86 $132
99283 Emergency department visit with low level of medical decision making 24 24 $77
99291 Critical care, first 30-74 minutes 15 15 $231

In context: peer comparison

Among 334 peers in this city , average services per provider: 87. This provider delivers 3.9× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Nicholas Ludmer's medical specialty?
Dr. Nicholas Ludmer practices Emergency Medicine Physician in Chicago, IL.
Where does Dr. Nicholas Ludmer practice?
Dr. Nicholas Ludmer practices at 5841 S Maryland Ave, Chicago, IL 60637. Office phone: 7738344180.
What is Dr. Nicholas Ludmer's NPI?
Dr. Nicholas Ludmer's National Provider Identifier (NPI) is 1861811523, issued by NPPES.
Does Dr. Nicholas Ludmer accept Medicare assignment?
Yes. Dr. Nicholas Ludmer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nicholas Ludmer commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with low level of medical decision making (HCPCS 99283). Source: CMS Medicare Physician & Other Practitioners file.