Thomas A. Heggen, MD
NPI 1710974860ActiveIndividual· Internal Medicine· Buffalo Grove, IL
Internal Medicine (MD) in Buffalo Grove, Illinois, licensed in IL, with an NPI issued in October 2005. Part D covered 14 prescriptions written in 2024, 100% of them generic. Exact Sciences Corporation reported $18.70 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1710974860 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Oct 4, 2005 |
| Last updated in NPPES | Mar 30, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 036074991 | IL |
| Obstetrics & Gynecology | 207V00000X | 036074991 | IL |
| Physical Medicine & Rehabilitation, Pain Medicine | 2081P2900X | 036074991 | IL |
| Surgery | 208600000X | 036074991 | 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) | Not in the public enrollment file of Oct 1, 2026 |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 14 · 14 30-day fills |
|---|---|
| Total drug cost | $63.87 |
| Generic share | 100% of claims |
Industry payments (Open Payments)
- 2025$18.70 · 1 payment from 1 company
- 2024$19.67 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Exact Sciences Corporation | $18.70 | 1 |
What the 2025 payments were for
- Food and Beverage$18.70 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 35 internal medicine physicians in Buffalo Grove · All internal medicine physicians in Illinois