NPPES file of Aug 9, 2026

Sandeep Mahajan, MD

Gastroenterology Physician · Rolling Meadows, IL

Sandeep Mahajan, MD is a gastroenterology physician with a practice address in Rolling Meadows, Illinois, and NPI 1700142395, issued on Apr 9, 2012. Check the license (Illinois 036145318, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1700142395
Name
Sandeep Mahajan
Credential
MD
Primary taxonomy
Gastroenterology Physician 207RG0100X
License numbers
036145318 IL
MD043311 DC
Self-reported in NPPES; status is on the state search
Practice location
1941 Rohlwing RD Dept OF, Rolling Meadows, IL 60008
Phone
(847) 618-0850
Enumerated
Apr 9, 2012
Record last updated
May 5, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(847) 618-0859
Medicare enrollment
Enrolled (PECOS I20180904002801); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Sandeep Mahajan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036145318
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Illinois license search

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19% fewer Medicare Part D claims than the average gastroenterology physician in 2024

657 Medicare Part D claims for 330 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 28% of claims.

  1. Sandeep Mahajan657
  2. Specialty average811

Most prescribed

  1. Sod Sulf-Potass Sulf-Mag Sulf220 claims
  2. Pantoprazole Sodium158 claims
  3. Omeprazole133 claims
  4. Lansoprazole21 claims
  5. Linzess18 claims
  6. Creon12 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $614.48

20 payments; by number, the most common kind was food and beverage; the largest payer was Genzyme Corporation. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Sandeep Mahajan$614.48
  2. Specialty average$5,015.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Endeavor Health Medical GroupEvanston, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Sandeep Mahajan among 887 gastroenterology physician records in Illinois

Sandeep Mahajan, MD is one of 887 gastroenterology physician records with a practice address in Illinois. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 69% of them.

  • NPI issued2012 · 69% of these records are older, 29% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated2012 · median 2003 among the 643 with a school on file
  • Record last updated2021 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in Illinois

There are 887 gastroenterology physician records in Illinois.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Mayur Parepally, M.D.Rolling Meadows, IL 600081447549787
  2. Benjamin Vancura, M.D.Rolling Meadows, IL 600081023265337
  3. George Atia, M.D.Barrington, IL 600101770580029
  4. Dona Bartelt, M.D.Lake Barrington, IL 600101629063201
  5. Manish Bhuva, M.D.Lake Barrington, IL 600101518953330
  6. Dale Coy, M.D.Lake Barrington, IL 600101770578858
  7. Dafna Gordon, M.D.Lake Barrington, IL 600101679569388
  8. Mary Kane, MDSouth Barrington, IL 600101023090354

Common questions

What is Sandeep Mahajan, MD's NPI number?

Sandeep Mahajan, MD's National Provider Identifier (NPI) is 1700142395, issued on Apr 9, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Sandeep Mahajan, MD located?

The NPPES record lists a practice address at 1941 Rohlwing RD Dept OF, Rolling Meadows, IL, 60008. Phone: (847) 618-0850. Providers update this record themselves, so call before visiting.

How can I verify Sandeep Mahajan, MD's license?

NPPES lists Illinois license number 036145318, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Sandeep Mahajan, MD prescribe under Medicare Part D?

In 2024, Sandeep Mahajan, MD had 657 Medicare Part D claims for 330 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.