Scott Duncan McNaughton, M.D.
NPI 1073510335ActiveIndividual· Internal Medicine· St Charles, IL
Internal Medicine (M.D.) in St Charles, Illinois, trained at Louisiana State University School of Medicine in New Orleans (class of 1991). Their prescriptions cost Medicare Part D more than their services did: $527,613 for 6,985 claims, against $105,947 paid for services in 2024.
Overview
| NPI | 1073510335 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 1, 2005 |
| Last updated in NPPES | Feb 25, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 036088803 | 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 | 408 |
|---|---|
| Services billed | 1,475 across 34 procedure codes |
| Paid by Medicare | $105,947 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,985 · 16,611 30-day fills |
|---|---|
| Patients | 545 |
| Total drug cost | $527,613 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | Louisiana State University School of Medicine in New Orleans |
|---|---|
| Graduation year | 1991 |
| Medicare specialty | Internal Medicine |
| 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
Other facilities
- Dmj Home Health Services, IncHome health agency · Aurora, IL
- Resilience Home Health, LLCHome health agency · Aurora, IL
- Marianjoy Rehabilitation CenterInpatient rehabilitation facility · Wheaton, IL
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 16 internal medicine physicians in St Charles · All internal medicine physicians in Illinois