Jemini G. Ignacio, MD
NPI 1912993429ActiveIndividual· Internal Medicine· East Dundee, IL
Internal Medicine (MD) with Dupage Medical Group Ltd, practicing in East Dundee, Illinois. Their prescriptions cost Medicare Part D more than their services did: $689,610 for 8,719 claims, against $121,781 paid for services in 2024. Genzyme Corporation was the largest of 3 companies reporting payments in 2025, $238.71 in all, mostly food and beverage. Lists Advocate Sherman Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1912993429 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Sep 21, 2005 |
| Last updated in NPPES | Mar 25, 2021 |
| Certified by provider | Mar 25, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 036-103412 | IL |
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 - Internal Medicine (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 331 |
|---|---|
| Services billed | 3,357 across 79 procedure codes |
| Paid by Medicare | $121,781 |
Part D prescriptions in 2024
| Prescriptions (claims) | 8,719 · 14,725 30-day fills |
|---|---|
| Patients | 523 |
| Total drug cost | $689,610 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 1990 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Dupage Medical Group LtdWinfield, IL · 1,322 clinicians
Hospital affiliations
- Advocate Sherman HospitalElgin, IL
- Northwestern Medicine McHenryMcHenry, IL
- St Alexius Medical CenterHoffman Estates, IL
Other facilities
- Advocate Home Health Care ServHome health agency · Oakbrook, IL
- River View Rehab CenterNursing home · Elgin, IL
Industry payments (Open Payments)
- 2025$238.71 · 7 payments from 3 companies
- 2024$416.89 · 19 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genzyme Corporation | $120.60 | 1 |
| Exact Sciences Corporation | $100.88 | 5 |
| Merck Sharp & Dohme LLC | $17.23 | 1 |
What the 2025 payments were for
- Food and Beverage$238.71 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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