Doctor profile · Federal record

Dr. John Konen, M.D.

Colon & Rectal Surgery Physician (CMS: Colorectal Surgery (Proctology)) · Student in an Organized Health Care Education/Training Program · Chicago, IL

  • NPI 1912392481
  • Accepts Medicare
  • 11 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1725 W Harrison St Ste 1138
Chicago, IL 606123845
(312) 942-7088
Additional location
55 Lake Ave N
Worcester, MA 016550002
(508) 334-1000

Credentials & registration

NPPES · NUCC
NPI registered
April 2015 — 11 yrs on file
Profile last updated
October 6, 2022
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
208C00000X — NUCC code
State license (1)
Illinois #036161351

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1912392481. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
325
Distinct HCPCS
10
Medicare allowed
$37,121
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 64 31 $83
46600 Diagnostic exam of anus using an endoscope 38 37 $119
99203 New patient office or other outpatient visit, 30-44 minutes 32 32 $115
46600 Diagnostic exam of anus using an endoscope 29 25 $45
99214 Established patient office or other outpatient visit, 30-39 minutes 25 16 $102
99204 New patient office or other outpatient visit, 45-59 minutes 24 24 $166
99214 Established patient office or other outpatient visit, 30-39 minutes 23 19 $124
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 23 22 $133
45380 Biopsy of large bowel using a flexible endoscope 21 21 $138
99204 New patient office or other outpatient visit, 45-59 minutes 18 18 $141

In context: peer comparison

Among 12 peers in Chicago Colon & Rectal Surgery Physician, average services per provider: 26. This provider delivers 13× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,604
Transactions
3
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Intuitive Surgical, INC. 2 $2,500.00
Baxter Healthcare 1 $104.17

By nature of payment

Education
$2,500
Food and Beverage
$104

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
46
Patients
43
Total drug cost
$94
Drug Type Claims Patients Total cost
Metronidazole Generic 19 18 $31
Neomycin Sulfate Generic 15 14 $54
Prochlorperazine Maleate Generic 12 11 $9

Frequently asked questions

Auto-generated from federal data
What is Dr. John Konen's medical specialty?
Dr. John Konen practices Colon & Rectal Surgery Physician in Chicago, IL.
Where does Dr. John Konen practice?
Dr. John Konen practices at 1725 W Harrison St Ste 1138, Chicago, IL 606123845. Office phone: 3129427088.
What is Dr. John Konen's NPI?
Dr. John Konen's National Provider Identifier (NPI) is 1912392481, issued by NPPES.
Does Dr. John Konen accept Medicare assignment?
Yes. Dr. John Konen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Konen commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Diagnostic exam of anus using an endoscope (HCPCS 46600); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.