Diane Marie Ellig, NP-C
NPI 1700256153ActiveIndividual· Nurse Practitioner, Family· Lisle, IL
Nurse Practitioner, Family (NP-C) with Dupage Medical Group Ltd, practicing in Lisle, Illinois. Their prescriptions cost Medicare Part D more than their services did: $629,523 for 1,121 claims, against $35,257 paid for services in 2024. Abbott Laboratories was the largest of 3 companies reporting payments in 2025, $111.57 in all, mostly food and beverage.
Overview
| NPI | 1700256153 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP-C |
| Sole proprietor | No |
| NPI issued | Sep 29, 2015 |
| Last updated in NPPES | Jun 30, 2023 |
| Certified by provider | Jun 30, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 209.012905 | IL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nurse Practitioner (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 202 |
|---|---|
| Services billed | 1,288 across 35 procedure codes |
| Paid by Medicare | $35,257 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,121 · 2,849 30-day fills |
|---|---|
| Patients | 267 |
| Total drug cost | $629,523 |
| Generic share | 38% of claims |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Dupage Medical Group LtdWinfield, IL · 1,322 clinicians
Industry payments (Open Payments)
- 2025$111.57 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $64.13 | 1 |
| Lilly USA, LLC | $24.08 | 1 |
| Beta Bionics, Inc. | $23.36 | 1 |
What the 2025 payments were for
- Food and Beverage$111.57 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 28 family nurse practitioners in Lisle · All family nurse practitioners in Illinois