Doctor profile · Federal record

Dr. Omar Khan, MD

Gastroenterology Physician (CMS: Gastroenterology) · Gastroenterology Physician · Highland Park, IL

  • NPI 1083812192
  • Accepts Medicare
  • 21 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
757 Park Ave W Ste 2850
Highland Park, IL 600352558
(847) 657-1900

Credentials & registration

NPPES · NUCC
NPI registered
July 2007 — 19 yrs on file
Profile last updated
April 2, 2021
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State licenses (2)
Illinois #036122947 · Indiana #01071060A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1083812192. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
582
Distinct HCPCS
10
Medicare allowed
$71,820
HCPCS Description Services Patients Avg allowed
G0500 Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito 110 110 $6
99214 Established patient office or other outpatient visit, 30-39 minutes 89 72 $103
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 79 78 $272
45380 Biopsy of large bowel using a flexible endoscope 70 70 $161
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 61 47 $84
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 53 53 $139
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 52 51 $107
G0105 Colorectal cancer screening; colonoscopy on individual at high risk 23 23 $198
99204 New patient office or other outpatient visit, 45-59 minutes 17 17 $141
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 15 15 $109

In context: peer comparison

Among 1 peers in Highland Park Gastroenterology Physician, average services per provider: 52. This provider delivers 11× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$141
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Averitas Pharma INC. 1 $123.02
Janssen Biotech, INC. 1 $17.98

By nature of payment

Food and Beverage
$141

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
534
Patients
314
Total drug cost
$1,059,611
Drug Type Claims Patients Total cost
Gavilyte-C (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 222 219 $4,326
Pantoprazole Sodium Generic 47 19 $1,139
Omeprazole Generic 45 21 $509
Stelara (Ustekinumab) Brand 32 0 $856,782
Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) Brand 29 29 $669
Famotidine Generic 23 0 $619
Humira(Cf) Pen (Adalimumab) Brand 19 0 $175,829
Mesalamine Generic 19 0 $17,332
Ondansetron Hcl Generic 18 14 $110
Dicyclomine Hcl Generic 15 0 $148

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Omar Khan's medical specialty?
Dr. Omar Khan practices Gastroenterology Physician in Highland Park, IL.
Where does Dr. Omar Khan practice?
Dr. Omar Khan practices at 757 Park Ave W Ste 2850, Highland Park, IL 600352558. Office phone: 8476571900.
What is Dr. Omar Khan's NPI?
Dr. Omar Khan's National Provider Identifier (NPI) is 1083812192, issued by NPPES.
Does Dr. Omar Khan accept Medicare assignment?
Yes. Dr. Omar Khan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Omar Khan commonly perform?
Top Medicare-reported procedures in 2023: Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito (HCPCS G0500); Established patient office or other outpatient visit (HCPCS 99214); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385). Source: CMS Medicare Physician & Other Practitioners file.