Doctor profile · Federal record

Dr. Thomas Grudowski

Emergency Medicine Physician (CMS: Emergency Medicine) · Student in an Organized Health Care Education/Training Program · Downers Grove, IL

  • NPI 1508326745
  • Accepts Medicare
  • 7 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
3815 Highland Ave
Downers Grove, IL 605151500
(708) 275-5900
Additional location
4440 W 95Th St
Oak Lawn, IL 604532600
(708) 684-8000
Mailing address
29373 Network Pl
Chicago, IL 606732827

Credentials & registration

NPPES · NUCC
NPI registered
March 2019 — 7 yrs on file
Profile last updated
July 26, 2025
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Illinois #036-157973

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1508326745. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
857
Distinct HCPCS
5
Medicare allowed
$132,960
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 461 447 $182
99284 Emergency department visit with moderate level of medical decision making 228 224 $124
99291 Critical care, first 30-74 minutes 85 84 $213
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 51 50 $8
99283 Emergency department visit with low level of medical decision making 32 32 $75

In context: peer comparison

Among 9 peers in this city , average services per provider: 113. This provider delivers 7.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
85
Patients
85
Total drug cost
$1,076
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 28 28 $127
Cephalexin Generic 19 19 $247
Prednisone Generic 14 14 $26
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 13 13 $490
Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) Brand 11 11 $186

Frequently asked questions

Auto-generated from federal data
What is Dr. Thomas Grudowski's medical specialty?
Dr. Thomas Grudowski practices Emergency Medicine Physician in Downers Grove, IL.
Where does Dr. Thomas Grudowski practice?
Dr. Thomas Grudowski practices at 3815 Highland Ave, Downers Grove, IL 605151500. Office phone: 7082755900.
What is Dr. Thomas Grudowski's NPI?
Dr. Thomas Grudowski's National Provider Identifier (NPI) is 1508326745, issued by NPPES.
Does Dr. Thomas Grudowski accept Medicare assignment?
Yes. Dr. Thomas Grudowski accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thomas Grudowski 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); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.