Doctor profile · Federal record

Dr. William Levis, M.D.

Gastroenterology Physician (CMS: Gastroenterology) · Elgin, IL

  • NPI 1265512164
  • Accepts Medicare
  • MIPS 85.1 / 100 · 2023
  • 25 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
745 Fletcher Dr Ste 202
Elgin, IL 601234749
(847) 888-1300
fax (847) 888-1341

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
January 19, 2023
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Illinois #36111544

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1265512164. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
592
Distinct HCPCS
10
Medicare allowed
$80,832
HCPCS Description Services Patients Avg allowed
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 111 109 $135
99213 Established patient office or other outpatient visit, 20-29 minutes 98 89 $93
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 91 67 $81
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 74 74 $259
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 60 60 $90
99204 New patient office or other outpatient visit, 45-59 minutes 40 40 $171
45380 Biopsy of large bowel using a flexible endoscope 36 36 $128
G0105 Colorectal cancer screening; colonoscopy on individual at high risk 28 28 $191
99203 New patient office or other outpatient visit, 30-44 minutes 15 15 $117
45378 Diagnostic exam of large bowel using a flexible endoscope 14 14 $192

In context: peer comparison

Among 5 peers in this city , average services per provider: 62. This provider delivers 9.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$371
Transactions
13
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Janssen Biotech, Inc. 7 $217.01
Celgene Corporation 3 $94.62
QOL Medical, LLC 1 $28.54
ABBVIE INC. 1 $26.75
Endogastric Solutions, Inc 1 $4.31

By nature of payment

Food and Beverage
$287
Education
$84

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
599
Patients
216
Total drug cost
$32,303
Drug Type Claims Patients Total cost
Omeprazole Generic 196 70 $2,846
Pantoprazole Sodium Generic 84 27 $1,942
Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) Brand 50 50 $859
Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) Brand 47 46 $1,052
Linzess (Linaclotide) Brand 26 0 $16,860
Metoclopramide Hcl Generic 26 0 $108
Famotidine Generic 25 0 $512
Dicyclomine Hcl Generic 24 0 $548
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,mag Sulfates) Brand 23 23 $1,816
Diphenoxylate-Atropine (Diphenoxylate Hcl/Atropine) Brand 21 0 $782

Frequently asked questions

Auto-generated from federal data
What is Dr. William Levis's medical specialty?
Dr. William Levis practices Gastroenterology Physician in Elgin, IL.
Where does Dr. William Levis practice?
Dr. William Levis practices at 745 Fletcher Dr Ste 202, Elgin, IL 601234749. Office phone: 8478881300.
What is Dr. William Levis's NPI?
Dr. William Levis's National Provider Identifier (NPI) is 1265512164, issued by NPPES.
Does Dr. William Levis accept Medicare assignment?
Yes. Dr. William Levis accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Levis commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Established patient office or other outpatient visit (HCPCS 99213); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.