Doctor profile · Federal record

Dr. John Cahill, MD

Interventional Cardiology Physician · Cardiovascular Disease Physician · Interventional Cardiology Physician · Elmhurst, IL

  • NPI 1124071337
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
133 E Brush Hill RD Ste 202
Elmhurst, IL 601265661
(331) 231-6200
fax (331) 231-6201

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
July 14, 2021
Specialty taxonomy
207RI0011X — NUCC code
State licenses (2)
Illinois #036.066599 · Illinois #036066599

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1124071337. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,765
Distinct HCPCS
10
Medicare allowed
$425,359
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 1,366 775 $132
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 431 275 $122
J2785 Injection, regadenoson, 0.1 mg 376 94 $54
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 231 213 $203
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 209 197 $15
93016 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician 141 141 $21
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 138 96 $81
93017 Exercise or drug-induced heart stress test with electrocardiogram (ecg) 137 137 $30
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 133 132 $68
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 132 127 $178

In context: peer comparison

Among 3 peers in Elmhurst Interventional Cardiology Physician, average services per provider: 131. This provider delivers 29× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$717
Transactions
36
Manufacturers
14
Payer (manufacturer) Industry Txns Amount
Novartis Pharmaceuticals Corporation 9 $141.25
Zoll Services LLC (A/K/A Zoll LifeCor Corp) 5 $88.33
E.R. Squibb & Sons, L.L.C. 4 $73.07
Novo Nordisk INC 3 $71.70
Pfizer INC. 3 $65.61
Boston Scientific Corporation 1 $53.95
Kiniksa Pharmaceuticals International, Plc 2 $50.79
Amgen INC. 2 $43.61
AstraZeneca Pharmaceuticals Lp 2 $34.18
Janssen Pharmaceuticals, INC 1 $26.29
Boehringer Ingelheim Pharmaceuticals, INC. 1 $23.01
Scpharmaceuticals INC. 1 $16.74
Veryan Medical Incorporated 1 $14.65
Medtronic, INC. 1 $13.88

By nature of payment

Food and Beverage
$717

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
5,242
Patients
1,576
Total drug cost
$763,117
Drug Type Claims Patients Total cost
Metoprolol Succinate Generic 898 266 $18,361
Atorvastatin Calcium Generic 671 212 $11,547
Rosuvastatin Calcium Generic 516 163 $7,236
Clopidogrel (Clopidogrel Bisulfate) Brand 480 143 $7,407
Ezetimibe Generic 405 125 $13,497
Eliquis (Apixaban) Brand 293 67 $323,683
Losartan Potassium Generic 286 84 $4,405
Amlodipine Besylate Generic 276 83 $2,669
Lisinopril Generic 268 85 $3,180
Metoprolol Tartrate Generic 227 91 $2,273

Frequently asked questions

Auto-generated from federal data
What is Dr. John Cahill's medical specialty?
Dr. John Cahill practices Interventional Cardiology Physician in Elmhurst, IL.
Where does Dr. John Cahill practice?
Dr. John Cahill practices at 133 E Brush Hill RD Ste 202, Elmhurst, IL 601265661. Office phone: 3312316200.
What is Dr. John Cahill's NPI?
Dr. John Cahill's National Provider Identifier (NPI) is 1124071337, issued by NPPES.
What procedures does Dr. John Cahill commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Injection, regadenoson, 0.1 mg (HCPCS J2785). Source: CMS Medicare Physician & Other Practitioners file.