Reginald Lafate Spears, M.D.
NPI 1861485153ActiveIndividual· Internal Medicine· Long Grove, IL
Internal Medicine (M.D.) in Long Grove, Illinois, trained at Southern Illinois University School of Medicine (class of 1993). Their prescriptions cost Medicare Part D more than their services did: $609,684 for 4,841 claims, against $38,759 paid for services in 2024. Boehringer Ingelheim Pharmaceuticals, Inc. reported $14.44 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1861485153 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Aug 23, 2005 |
| Last updated in NPPES | Dec 9, 2009 |
| Reactivated | Apr 5, 2006 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 036-091992 | 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 | 169 |
|---|---|
| Services billed | 596 across 18 procedure codes |
| Paid by Medicare | $38,759 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,841 · 11,731 30-day fills |
|---|---|
| Patients | 291 |
| Total drug cost | $609,684 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | Southern Illinois University School of Medicine |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Internal Medicine |
Hospital affiliations
- Advocate Condell Medical CenterLibertyville, IL
- Advocate Good Shepherd HospitalBarrington, IL
- Advocate Lutheran General HospitalPark Ridge, IL
- Northwest Community Hospital 1Arlington Heights, IL
Other facilities
- Advocate Home Health Care ServHome health agency · Oakbrook, IL
Industry payments (Open Payments)
- 2025$14.44 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boehringer Ingelheim Pharmaceuticals, Inc. | $14.44 | 1 |
What the 2025 payments were for
- Food and Beverage$14.44 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 46 internal medicine physicians in Long Grove · All internal medicine physicians in Illinois