Doctor profile · Federal record

Dr. Stephen Vanhaerents

Epilepsy Physician (CMS: Epileptologists) · Neurology Physician · Clinical Neurophysiology Physician · Chicago, IL

  • NPI 1629203328
  • Accepts Medicare
  • MIPS 91.3 / 100 · 2023
  • 17 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
259 E Erie St Ste 1900
Chicago, IL 606113246
(312) 695-7950
fax (312) 695-5747
Additional location
675 N Saint Clair St Ste 20-100, Department of Neurology
Chicago, IL 606115970
(312) 926-1673
fax (312) 926-9089

Credentials & registration

NPPES · NUCC
NPI registered
May 2009 — 17 yrs on file
Profile last updated
August 5, 2025
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
2084E0001X — NUCC code
State licenses (2)
Illinois #036135125 · Illinois #036.135125

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1629203328. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
713
Distinct HCPCS
10
Medicare allowed
$66,998
HCPCS Description Services Patients Avg allowed
G0453 Continuous intraoperative neurophysiology monitoring, from outside the operating room (remote or nearby), per patient, (attention directed exclusively to one patient) each 15 minutes (list in addition to primary procedure) 173 12 $34
95720 Measurement of brain wave activity with video (veeg), 12-26 hours with review and report by health care professional 125 67 $214
95819 Measurement of brain wave activity (eeg), awake and asleep 109 107 $57
95938 Placement of skin electrodes and measurement of stimulated sites on arms and legs 57 56 $46
95816 Measurement of brain wave activity (eeg), awake and drowsy 51 51 $58
95718 Measurement of brain wave activity with video (veeg), 2-12 hours with review and report by health care professional 46 46 $135
95870 Needle measurement of electrical activity in arm, leg, trunk or head muscles, limited study 39 38 $20
95939 Placement of skin electrodes and measurement of central motor stimulation in arms and legs 34 33 $122
99215 Established patient office or other outpatient visit, 40-54 minutes 23 22 $184
95822 Measurement of brain wave activity (eeg), in coma or asleep 22 22 $58

In context: peer comparison

Among 6 peers in Chicago Epilepsy Physician, average services per provider: 58. This provider delivers 12× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
616
Patients
94
Total drug cost
$184,266
Drug Type Claims Patients Total cost
Levetiracetam Generic 164 45 $19,484
Lamotrigine Generic 83 20 $2,533
Lacosamide Generic 79 18 $24,745
Clobazam Generic 48 11 $18,094
Lamotrigine ER (Lamotrigine) Brand 48 0 $32,473
Zonisamide Generic 36 0 $955
Oxcarbazepine Generic 34 0 $3,732
Levetiracetam ER (Levetiracetam) Brand 24 0 $8,756
Topiramate Generic 23 0 $1,087
Xcopri (Cenobamate) Brand 14 0 $13,810

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Stephen Vanhaerents's medical specialty?
Dr. Stephen Vanhaerents practices Epilepsy Physician in Chicago, IL.
Where does Dr. Stephen Vanhaerents practice?
Dr. Stephen Vanhaerents practices at 259 E Erie St Ste 1900, Chicago, IL 606113246. Office phone: 3126957950.
What is Dr. Stephen Vanhaerents's NPI?
Dr. Stephen Vanhaerents's National Provider Identifier (NPI) is 1629203328, issued by NPPES.
Does Dr. Stephen Vanhaerents accept Medicare assignment?
Yes. Dr. Stephen Vanhaerents accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stephen Vanhaerents commonly perform?
Top Medicare-reported procedures in 2023: Continuous intraoperative neurophysiology monitoring, from outside the operating room (remote or nearby), per patient, (attention directed exclusively to one patient) each 15 minutes (list in addition to primary procedure) (HCPCS G0453); Measurement of brain wave activity with video (veeg) (HCPCS 95720); Measurement of brain wave activity (eeg), awake and asleep (HCPCS 95819). Source: CMS Medicare Physician & Other Practitioners file.