Doctor profile · Federal record

Dr. Allen Rosenbaum, MD

Gastroenterology Physician (CMS: Gastroenterology) · Des Plaines, IL

  • NPI 1508862368
  • Accepts Medicare
  • MIPS 81.7 / 100 · 2023
  • 47 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
900 Rand RD Ste 120
Des Plaines, IL 600162359
(312) 767-3244
Mailing address
1400 S Michigan Ave Apt 1203
Chicago, IL 606053720

Credentials & registration

NPPES · NUCC
NPI registered
June 2005 — 21 yrs on file
Profile last updated
November 27, 2023
Year of graduation
1979 — 47 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Illinois #036060818

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1508862368. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
289
Distinct HCPCS
8
Medicare allowed
$37,676
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 109 76 $94
99203 New patient office or other outpatient visit, 30-44 minutes 37 37 $119
45380 Biopsy of large bowel using a flexible endoscope 36 36 $135
99214 Established patient office or other outpatient visit, 30-39 minutes 31 30 $132
99204 New patient office or other outpatient visit, 45-59 minutes 29 29 $175
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 21 21 $256
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 15 15 $99
G0105 Colorectal cancer screening; colonoscopy on individual at high risk 11 11 $193

In context: peer comparison

Among 7 peers in this city , average services per provider: 46. This provider delivers 6.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,709
Transactions
58
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 13 $363.52
Janssen Biotech, Inc. 6 $203.52
Zimmer Biomet Holdings, Inc. 1 $198.32
Takeda Pharmaceuticals U.S.A., Inc. 8 $184.07
PFIZER INC. 5 $109.07
Lilly USA, LLC 5 $101.39
Celgene Corporation 3 $80.73
Madrigal Pharmaceuticals 2 $68.83
Ardelyx, Inc. 2 $59.06
Celltrion USA Inc. 2 $53.42
VIVUS LLC 3 $53.00
Salix Pharmaceuticals, a division of Bausch Health US, LLC 2 $46.79
Echosens North America, Inc. 3 $34.95
Ipsen Biopharmaceuticals, Inc 2 $32.63
QOL Medical, LLC 1 $25.26

By nature of payment

Food and Beverage
$1,686
Education
$23

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
842
Patients
294
Total drug cost
$44,026
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 234 79 $2,519
Famotidine Generic 221 70 $2,564
Clenpiq (Sod Picosulf/Mag Ox/Citric Ac) Brand 104 101 $18,815
Omeprazole Generic 82 25 $1,264
Dexlansoprazole Dr (Dexlansoprazole) Brand 32 0 $12,421
Ondansetron Hcl Generic 32 0 $300
Dicyclomine Hcl Generic 27 0 $276
Lidocaine-Prilocaine (Lidocaine/Prilocaine) Brand 26 0 $483
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,mag Sulfates) Brand 20 19 $1,679
Lansoprazole Generic 15 0 $121

Frequently asked questions

Auto-generated from federal data
What is Dr. Allen Rosenbaum's medical specialty?
Dr. Allen Rosenbaum practices Gastroenterology Physician in Des Plaines, IL.
Where does Dr. Allen Rosenbaum practice?
Dr. Allen Rosenbaum practices at 900 Rand RD Ste 120, Des Plaines, IL 600162359. Office phone: 3127673244.
What is Dr. Allen Rosenbaum's NPI?
Dr. Allen Rosenbaum's National Provider Identifier (NPI) is 1508862368, issued by NPPES.
Does Dr. Allen Rosenbaum accept Medicare assignment?
Yes. Dr. Allen Rosenbaum accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Allen Rosenbaum commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99203); Biopsy of large bowel using a flexible endoscope (HCPCS 45380). Source: CMS Medicare Physician & Other Practitioners file.