Monica Mahajan, MD
NPI 1295708410ActiveIndividual· Internal Medicine, Geriatric Medicine· Elk Grove Village, IL
Internal Medicine, Geriatric Medicine (MD) in Elk Grove Village, Illinois, licensed in NY, with an NPI issued in February 2006. Their prescriptions cost Medicare Part D more than their services did: $614,226 for 11,538 claims, against $57,747 paid for services in 2024. Amgen Inc. reported $19.46 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1295708410 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Feb 8, 2006 |
| Last updated in NPPES | Mar 23, 2021 |
| Certified by provider | Mar 23, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Geriatric Medicine Primary | 207RG0300X | 235335 | NY |
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 - Family Practice (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 264 |
|---|---|
| Services billed | 742 across 32 procedure codes |
| Paid by Medicare | $57,747 |
Part D prescriptions in 2024
| Prescriptions (claims) | 11,538 · 15,139 30-day fills |
|---|---|
| Patients | 431 |
| Total drug cost | $614,226 |
| Generic share | 89% of claims |
Industry payments (Open Payments)
- 2025$19.46 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $19.46 | 1 |
What the 2025 payments were for
- Food and Beverage$19.46 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All Internal Medicine, Geriatric Medicine providers in Illinois →