Thomas Eng, D.O.
NPI 1639277551ActiveIndividual· Family Medicine· Geneva, IL
Family Medicine (D.O.) in Geneva, Illinois, trained at Midwestern University, Chicago College of Osteopathic Med (class of 2000). Their prescriptions cost Medicare Part D more than their services did: $364,890 for 5,677 claims, against $100,850 paid for services in 2024. Treace Medical Concepts, Inc. was the largest of 3 companies reporting payments in 2025, $501.24 in all, mostly food and beverage.
Overview
| NPI | 1639277551 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Sep 21, 2006 |
| Last updated in NPPES | Jun 29, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 036107598 | 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 - Family Practice (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 421 |
|---|---|
| Services billed | 4,377 across 36 procedure codes |
| Paid by Medicare | $100,850 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,677 · 13,178 30-day fills |
|---|---|
| Patients | 692 |
| Total drug cost | $364,890 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | Midwestern University, Chicago College of Osteopathic Med |
|---|---|
| Graduation year | 2000 |
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Central Dupage Physician GroupGeneva, IL · 1,080 clinicians
Hospital affiliations
- Northwestern Medicine Central Dupage HospitalWinfield, IL
- Northwestern Medicine Delnor Community HospitalGeneva, IL
- Northwestern Medicine Kishwaukee HospitalDekalb, IL
- Northwestern Medicine McHenryMcHenry, IL
Other facilities
- Dmj Home Health Services, IncHome health agency · Aurora, IL
- Resilience Home Health, LLCHome health agency · Aurora, IL
Industry payments (Open Payments)
- 2025$501.24 · 5 payments from 3 companies
- 2024$856.92 · 6 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Treace Medical Concepts, Inc. | $217.99 | 2 |
| Stryker Corporation | $149.88 | 1 |
| Solventum Corporation | $133.37 | 2 |
What the 2025 payments were for
- Food and Beverage$501.24 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 50 family medicine physicians in Geneva · All family medicine physicians in Illinois