Doctor profile · Federal record

Dr. John Shanley, M.D.

Critical Care Medicine (Internal Medicine) Physician (CMS: Critical Care (Intensivists)) · Emergency Medicine Physician · Pulmonary Disease Physician · Arlington Heights, IL

  • NPI 1003955618
  • Accepts Medicare
  • 24 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
800 W Central RD
Arlington Heights, IL 600052349
(847) 618-4177
Mailing address
2650 Ridge Ave Ste 1223
Evanston, IL 602011700

Credentials & registration

NPPES · NUCC
NPI registered
February 2007 — 19 yrs on file
Profile last updated
December 30, 2025
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
207RC0200X — NUCC code
State licenses (2)
Illinois #036-112847 · Illinois #036112847
Medicaid
IL #036112847

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1003955618. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
422
Distinct HCPCS
6
Medicare allowed
$84,146
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 294 165 $227
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 70 60 $125
36556 Insertion of non-tunneled central venous tube for infusion (5 years or older) 16 16 $91
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 16 16 $182
31500 Emergent insertion of breathing tube into windpipe using an endoscope 15 15 $154
92950 Manual attempt to restore blood circulation and breathing 11 11 $194

In context: peer comparison

Among 3 peers in Arlington Heights Critical Care Medicine (Internal Medicine) Physician, average services per provider: 55. This provider delivers 7.7× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. John Shanley's medical specialty?
Dr. John Shanley practices Critical Care Medicine (Internal Medicine) Physician in Arlington Heights, IL.
Where does Dr. John Shanley practice?
Dr. John Shanley practices at 800 W Central RD, Arlington Heights, IL 600052349. Office phone: 8476184177.
What is Dr. John Shanley's NPI?
Dr. John Shanley's National Provider Identifier (NPI) is 1003955618, issued by NPPES.
Does Dr. John Shanley accept Medicare assignment?
Yes. Dr. John Shanley accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Shanley commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Insertion of non-tunneled central venous tube for infusion (5 years or older) (HCPCS 36556). Source: CMS Medicare Physician & Other Practitioners file.