Nigel N. Walters, MD
NPI 1326073750ActiveIndividual· Internal Medicine· Mount Prospect, IL
Internal Medicine (MD) in Mount Prospect, Illinois, trained at Northwestern University Feinberg Medical School (class of 1992). Their prescriptions cost Medicare Part D more than their services did: $128,188 for 3,130 claims, against $62,382 paid for services in 2024. Novo Nordisk Inc was the largest of 12 companies reporting payments in 2025, $1,311 in all, mostly food and beverage.
Overview
| NPI | 1326073750 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 12, 2006 |
| Last updated in NPPES | May 11, 2021 |
| Certified by provider | May 11, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 036090982 | 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 | 133 |
|---|---|
| Services billed | 711 across 32 procedure codes |
| Paid by Medicare | $62,382 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,130 · 7,529 30-day fills |
|---|---|
| Patients | 468 |
| Total drug cost | $128,188 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | Northwestern University Feinberg Medical School |
|---|---|
| Graduation year | 1992 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Endeavor Health Medical GroupEvanston, IL · 3,350 clinicians
Hospital affiliations
- Loyola University Medical CenterMaywood, IL
- Northwest Community Hospital 1Arlington Heights, IL
Other facilities
- Residential Home HealthHome health agency · Schaumburg, IL
Industry payments (Open Payments)
- 2025$1,311 · 45 payments from 12 companies
- 2024$1,581 · 41 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $397.02 | 16 |
| Abbott Laboratories | $244.17 | 3 |
| Spinal Simplicity, LLC | $180.85 | 1 |
| Lilly USA, LLC | $136.61 | 8 |
| Pfizer Inc. | $73.05 | 3 |
What the 2025 payments were for
- Food and Beverage$1,150 · 40 payments
- Education$161.35 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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