Doctor profile · Federal record

Dr. Gregory Kruper, M.D.

Otolaryngology Physician (CMS: Otolaryngology) · Gurnee, IL

  • NPI 1225263866
  • Accepts Medicare
  • MIPS 0.0 / 100 · 2023
  • 17 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
222 S Greenleaf St Ste 102
Gurnee, IL 600315705
(847) 662-4442
Additional location
1880 W Winchester RD Ste 103
Libertyville, IL 600485321
(847) 367-5770
Mailing address
222 S Greenleaf St, Ste 102
Gurnee, IL 600315705

Credentials & registration

NPPES · NUCC
NPI registered
May 2009 — 17 yrs on file
Profile last updated
March 5, 2025
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
207Y00000X — NUCC code
State license (1)
Illinois #036-134245

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1225263866. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,007
Distinct HCPCS
10
Medicare allowed
$114,282
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 340 252 $133
99203 New patient office or other outpatient visit, 30-44 minutes 232 232 $117
69210 Removal of impacted ear wax 151 137 $50
99213 Established patient office or other outpatient visit, 20-29 minutes 111 97 $94
31231 Diagnostic exam of nasal passages using an endoscope 58 54 $202
31575 Diagnostic exam of voice box using a flexible endoscope 56 49 $138
G0268 Removal of impacted cerumen (one or both ears) by physician on same date of service as audiologic function testing 23 23 $56
69433 Incision of eardrum with insertion of eardrum tube under local or topical anesthesia 12 12 $216
92557 Comprehensive hearing and speech recognition test 12 12 $38
92567 Test to assess middle ear function 12 12 $17

In context: peer comparison

Among 3 peers in Gurnee Otolaryngology Physician, average services per provider: 149. This provider delivers 6.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
539
Patients
375
Total drug cost
$92,663
Drug Type Claims Patients Total cost
Fluticasone Propionate Generic 90 59 $2,310
Prednisone Generic 73 59 $164
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 60 52 $749
Pantoprazole Sodium Generic 58 40 $1,745
Azelastine Hcl Generic 52 41 $2,963
Ipratropium Bromide Generic 33 22 $2,108
Omeprazole Generic 32 13 $901
Triamcinolone Acetonide Generic 29 21 $1,022
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 22 22 $161
Famotidine Generic 21 12 $750

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Gregory Kruper's medical specialty?
Dr. Gregory Kruper practices Otolaryngology Physician in Gurnee, IL.
Where does Dr. Gregory Kruper practice?
Dr. Gregory Kruper practices at 222 S Greenleaf St Ste 102, Gurnee, IL 600315705. Office phone: 8476624442.
What is Dr. Gregory Kruper's NPI?
Dr. Gregory Kruper's National Provider Identifier (NPI) is 1225263866, issued by NPPES.
Does Dr. Gregory Kruper accept Medicare assignment?
Yes. Dr. Gregory Kruper accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Kruper commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99203); Removal of impacted ear wax (HCPCS 69210). Source: CMS Medicare Physician & Other Practitioners file.