Sandeep Mahajan, MD
NPI 1700142395ActiveIndividual· Internal Medicine, Gastroenterology· Rolling Meadows, IL
Internal Medicine, Gastroenterology (MD) with Endeavor Health Medical Group, practicing in Rolling Meadows, Illinois. Their prescriptions cost Medicare Part D more than their services did: $118,958 for 657 claims, against $71,461 paid for services in 2024. Abbvie Inc. was the largest of 9 companies reporting payments in 2025, $630.51 in all, mostly food and beverage. Lists Northwest Community Hospital 1 as a hospital affiliation.
Overview
| NPI | 1700142395 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Apr 9, 2012 |
| Last updated in NPPES | May 5, 2021 |
| Certified by provider | May 5, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 036145318 | IL |
| Internal Medicine | 207R00000X | MD043311 | DC |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 348 |
|---|---|
| Services billed | 537 across 29 procedure codes |
| Paid by Medicare | $71,461 |
Part D prescriptions in 2024
| Prescriptions (claims) | 657 · 1,230 30-day fills |
|---|---|
| Patients | 330 |
| Total drug cost | $118,958 |
| Generic share | 72% of claims |
Education and affiliations
| Graduation year | 2012 |
|---|---|
| Medicare specialty | Gastroenterology |
Medical group
- Endeavor Health Medical GroupEvanston, IL · 3,350 clinicians
Hospital affiliation
- Northwest Community Hospital 1Arlington Heights, IL
Industry payments (Open Payments)
- 2025$630.51 · 28 payments from 9 companies
- 2024$614.48 · 20 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $246.48 | 11 |
| Takeda Pharmaceuticals U.S.A., Inc. | $149.70 | 7 |
| Pfizer Inc. | $68.50 | 3 |
| Janssen Biotech, Inc. | $35.35 | 1 |
| Phathom Pharmaceuticals, Inc. | $32.33 | 2 |
What the 2025 payments were for
- Food and Beverage$630.51 · 28 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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