Doctor profile · Federal record

Dr. Charles Gruner, M.D.

Surgery Physician (CMS: General Surgery) · Evanston, IL

  • NPI 1093980872
  • Accepts Medicare
  • 24 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
800 Austin St, East Tower, Suite 563
Evanston, IL 602023439
(847) 869-0522
fax (847) 869-0652

Credentials & registration

NPPES · NUCC
NPI registered
April 2008 — 18 yrs on file
Profile last updated
October 19, 2011
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
208600000X — NUCC code
State license (1)
Illinois #036115417
Medicaid
IL #036115417

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1093980872. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
332
Distinct HCPCS
9
Medicare allowed
$33,307
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 135 80 $83
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 51 45 $137
99213 Established patient office or other outpatient visit, 20-29 minutes 45 34 $94
99214 Established patient office or other outpatient visit, 30-39 minutes 24 22 $134
99204 New patient office or other outpatient visit, 45-59 minutes 22 22 $176
99203 New patient office or other outpatient visit, 30-44 minutes 20 20 $119
99212 Established patient office or other outpatient visit, 10-19 minutes 13 13 $59
76604 Ultrasound scan of chest 11 11 $28
76705 Limited ultrasound scan of abdomen 11 11 $30

In context: peer comparison

Among 5 peers in Evanston Surgery Physician, average services per provider: 45. This provider delivers 7.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$73
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Medtronic, INC. 2 $73.02

By nature of payment

Food and Beverage
$73

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
11
Patients
0
Total drug cost
$160
Drug Type Claims Patients Total cost
Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 11 0 $160

Frequently asked questions

Auto-generated from federal data
What is Dr. Charles Gruner's medical specialty?
Dr. Charles Gruner practices Surgery Physician in Evanston, IL.
Where does Dr. Charles Gruner practice?
Dr. Charles Gruner practices at 800 Austin St, Evanston, IL 602023439. Office phone: 8478690522.
What is Dr. Charles Gruner's NPI?
Dr. Charles Gruner's National Provider Identifier (NPI) is 1093980872, issued by NPPES.
Does Dr. Charles Gruner accept Medicare assignment?
Yes. Dr. Charles Gruner accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Charles Gruner commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.