Nathan R. Walker, M.D.
NPI 1629087325ActiveIndividual· Internal Medicine· Champaign, IL
Internal Medicine (M.D.) in Champaign, Illinois, trained at University of Cincinnati College of Medicine (class of 2002). Their prescriptions cost Medicare Part D more than their services did: $2,044,676 for 17,719 claims, against $266,912 paid for services in 2024. Kowa Pharmaceuticals America, Inc. reported $20.36 in payments in 2024, mostly food and beverage.
Overview
| NPI | 1629087325 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 5, 2006 |
| Last updated in NPPES | Jan 5, 2022 |
| Certified by provider | Jan 5, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 036-114466 | 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 | 551 |
|---|---|
| Services billed | 15,566 across 115 procedure codes |
| Paid by Medicare | $266,912 |
Part D prescriptions in 2024
| Prescriptions (claims) | 17,719 · 39,785 30-day fills |
|---|---|
| Patients | 1,152 |
| Total drug cost | $2,044,676 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | University of Cincinnati College of Medicine |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Christie Clinic, PLLCChampaign, IL · 220 clinicians
Hospital affiliation
- Carle Foundation HospitalUrbana, IL
Other facilities
- Carle Home CareHome health agency · Champaign, IL
Industry payments (Open Payments)
- 2024$20.36 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Kowa Pharmaceuticals America, Inc. | $20.36 | 1 |
What the 2024 payments were for
- Food and Beverage$20.36 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 32 internal medicine physicians in Champaign · All internal medicine physicians in Illinois