Theresa Nguyen, MD
NPI 1205003860ActiveIndividual· Emergency Medicine· Maywood, IL
Emergency Medicine (MD) in Maywood, Illinois, trained at Jefferson Medical College of Thomas Jefferson University (class of 2008). Mostly services rather than prescriptions: Medicare paid $12,168 for 92 patients in 2024, with only 14 Part D claims. Abbott Laboratories reported $36.99 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1205003860 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | May 13, 2008 |
| Last updated in NPPES | Apr 30, 2021 |
| Certified by provider | Apr 30, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 036138662 | IL |
| Emergency Medicine | 207P00000X | C7-0004076 | DE |
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 - Emergency Medicine (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 92 |
|---|---|
| Services billed | 98 across 8 procedure codes |
| Paid by Medicare | $12,168 |
Part D prescriptions in 2024
| Prescriptions (claims) | 14 · 15 30-day fills |
|---|---|
| Total drug cost | $124.75 |
| Generic share | 93% of claims |
Education and affiliations
| Medical school | Jefferson Medical College of Thomas Jefferson University |
|---|---|
| Graduation year | 2008 |
| Medicare specialty | Emergency Medicine |
Medical group
- Loyola University Medical CenterMaywood, IL · 953 clinicians
Hospital affiliation
- Loyola University Medical CenterMaywood, IL
Industry payments (Open Payments)
- 2025$36.99 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $36.99 | 2 |
What the 2025 payments were for
- Food and Beverage$36.99 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 74 emergency medicine physicians in Maywood · All emergency medicine physicians in Illinois