Doctor profile · Federal record

Dr. ALAN AUERBACH, M.D.

Gastroenterology Physician (CMS: GASTROENTEROLOGY) · Gastroenterology Physician · BUFFALO GROVE, IL

  • NPI 1902913759
  • Accepts Medicare
  • 48 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 4 locations .

NPPES Updated May 11, 2026
Primary practice
720 HORATIO BLVD
BUFFALO GROVE, IL 600896402
(847) 508-1509
fax (847) 459-8968
Additional location
1324 N Sheridan Rd
Waukegan, IL 600852161
(847) 360-3000
Additional location
15 Tower Ct Ste 210
Gurnee, IL 600313355
(847) 599-1444
fax (847) 599-1665
Show 1 more location
Additional location
11104 Parkview Circle Dr Ste 310
Fort Wayne, IN 468451733
(260) 266-5230
fax (260) 266-5238

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
September 6, 2024
Year of graduation
1978 — 48 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State licenses (2)
Illinois #036059072 · Indiana #01065184A
Medicaid (2)
IL #036059072 · IN #200904620

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1902913759. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
131
Distinct HCPCS
7
Medicare allowed
$13,052
HCPCS Description Services Patients Avg allowed
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 27 19 $50
99213 Established patient office or other outpatient visit, 20-29 minutes 21 14 $94
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 21 18 $131
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 19 19 $92
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 16 13 $82
99203 New patient office or other outpatient visit, 30-44 minutes 15 15 $117
45378 Diagnostic exam of large bowel using a flexible endoscope 12 12 $180

In context: peer comparison

Among 1 peers in this city , average services per provider: 18. This provider delivers 7.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$65
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Phathom Pharmaceuticals, Inc. 1 $50.21
Gilead Sciences, Inc. 1 $14.46

By nature of payment

Food and Beverage
$65

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
81
Patients
32
Total drug cost
$12,870
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 28 17 $877
Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) Brand 16 15 $241
Omeprazole Generic 13 0 $123
Dicyclomine Hcl Generic 12 0 $433
Linzess (Linaclotide) Brand 12 0 $11,196

Hospital affiliations

CMS Hospital Compare