Theresa I. Mathew, M.D.
NPI 1215128079ActiveIndividual· Internal Medicine· Hoffman Estates, IL
Internal Medicine (M.D.) with Howard S Mangurten Mdsc, practicing in Hoffman Estates, Illinois. 236 Medicare patients in 2024, $77,848 paid; nearly all of their 2,720 Part D prescriptions were generic (94%). Astrazeneca Pharmaceuticals LP was the largest of 3 companies reporting payments in 2025, $326.69 in all, mostly food and beverage. Lists Alexian Brothers Medical Center 1 and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1215128079 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 7, 2007 |
| Last updated in NPPES | Feb 11, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 036124377 | 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 - Internal Medicine (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 236 |
|---|---|
| Services billed | 1,249 across 21 procedure codes |
| Paid by Medicare | $77,848 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,720 · 6,698 30-day fills |
|---|---|
| Patients | 303 |
| Total drug cost | $80,757 |
| Generic share | 94% of claims |
Education and affiliations
| Graduation year | 2001 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- Howard S Mangurten MdscHoffman Estates, IL · 2 clinicians
Hospital affiliations
- Alexian Brothers Medical Center 1Elk Grove Village, IL
- Northwest Community Hospital 1Arlington Heights, IL
- St Alexius Medical CenterHoffman Estates, IL
Industry payments (Open Payments)
- 2025$326.69 · 10 payments from 3 companies
- 2024$632.47 · 14 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $282.61 | 8 |
| Edwards Lifesciences Corporation | $22.60 | 1 |
| Exact Sciences Corporation | $21.48 | 1 |
What the 2025 payments were for
- Food and Beverage$326.69 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 60 internal medicine physicians in Hoffman Estates · All internal medicine physicians in Illinois