Doctor profile · Federal record

Dr. Sandeep Mahajan, MD

Gastroenterology Physician (CMS: Gastroenterology) · Internal Medicine Physician · Rolling Meadows, IL

  • NPI 1700142395
  • Accepts Medicare
  • 14 yrs in practice
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1941 Rohlwing RD Dept of
Rolling Meadows, IL 600081338
(847) 618-0850
fax (847) 618-0859

Credentials & registration

NPPES · NUCC
NPI registered
April 2012 — 14 yrs on file
Profile last updated
May 5, 2021
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State licenses (2)
Illinois #036145318 · District of Columbia #MD043311

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1700142395. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
537
Distinct HCPCS
10
Medicare allowed
$82,417
HCPCS Description Services Patients Avg allowed
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 140 136 $253
45380 Biopsy of large bowel using a flexible endoscope 95 93 $49
99214 Established patient office or other outpatient visit, 30-39 minutes 68 62 $134
99204 New patient office or other outpatient visit, 45-59 minutes 60 60 $178
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 56 55 $103
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 32 25 $85
99213 Established patient office or other outpatient visit, 20-29 minutes 25 24 $96
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 25 25 $140
99203 New patient office or other outpatient visit, 30-44 minutes 20 20 $121
45390 Removal of large bowel tissue using a flexible endoscope 16 16 $359

In context: peer comparison

Among 3 peers in this city , average services per provider: 83. This provider delivers 6.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$614
Transactions
20
Manufacturers
9
Payer (manufacturer) Industry Txns Amount
GENZYME CORPORATION 1 $147.30
ABBVIE INC. 7 $140.20
Takeda Pharmaceuticals U.S.A., Inc. 4 $85.36
AIMMUNE THERAPEUTICS, INC. 2 $73.06
Regeneron Healthcare Solutions, Inc. 2 $56.89
Janssen Biotech, Inc. 1 $36.79
Lilly USA, LLC 1 $29.61
Madrigal Pharmaceuticals 1 $28.57
Ferring Pharmaceuticals Inc. 1 $16.70

By nature of payment

Food and Beverage
$614

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
470
Patients
214
Total drug cost
$37,335
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 134 43 $2,529
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,mag Sulfates) Brand 102 96 $8,122
Omeprazole Generic 99 32 $1,960
Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) Brand 30 29 $816
Lansoprazole Generic 25 0 $3,644
Linzess (Linaclotide) Brand 23 0 $16,653
Sulfasalazine Generic 17 0 $219
Budesonide Dr (Budesonide) Brand 15 0 $1,041
Suprep (Sodium, Potassium,mag Sulfates) Brand 14 14 $1,691
Lactulose Generic 11 0 $660

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Sandeep Mahajan's medical specialty?
Dr. Sandeep Mahajan practices Gastroenterology Physician in Rolling Meadows, IL.
Where does Dr. Sandeep Mahajan practice?
Dr. Sandeep Mahajan practices at 1941 Rohlwing RD Dept of, Rolling Meadows, IL 600081338. Office phone: 8476180850.
What is Dr. Sandeep Mahajan's NPI?
Dr. Sandeep Mahajan's National Provider Identifier (NPI) is 1700142395, issued by NPPES.
Does Dr. Sandeep Mahajan accept Medicare assignment?
Yes. Dr. Sandeep Mahajan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sandeep Mahajan commonly perform?
Top Medicare-reported procedures in 2023: Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Biopsy of large bowel using a flexible endoscope (HCPCS 45380); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.