Thomas W. Alderson, MD
NPI 1942404439ActiveIndividual· Internal Medicine, Nephrology· Topeka, KS
Internal Medicine, Nephrology (MD) in Topeka, Kansas, trained at University of Kansas School of Med (Kc/Wich/Sal) (class of 2007). In 2024 Medicare paid $281,454 for 950 patients, and Part D covered 1,456 of their prescriptions, 88% of them generic.
Overview
| NPI | 1942404439 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 11, 2007 |
| Last updated in NPPES | May 1, 2026 |
| Certified by provider | May 1, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 04-35001 | KS |
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 - Nephrology (KS) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 950 |
|---|---|
| Services billed | 4,573 across 42 procedure codes |
| Paid by Medicare | $281,454 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,456 · 3,260 30-day fills |
|---|---|
| Patients | 297 |
| Total drug cost | $205,881 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | University of Kansas School of Med (Kc/Wich/Sal) |
|---|---|
| Graduation year | 2007 |
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Cotton-O'Neil Clinic Revocable TrustTopeka, KS · 666 clinicians
Hospital affiliations
- Ascension Via Christi Hospital Manhattan, IncManhattan, KS
- Newman Regional HealthEmporia, KS
- Stormont Vail Health Flint Hills, LLCJunction City, KS
- Stormont Vail HospitalTopeka, KS
- University of Kansas Health System - St Francis CampusTopeka, KS
Other facilities
- Davita Emporia at Home DialysisDialysis facility · Emporia, KS
- Davita Manhattan DialysisDialysis facility · Manhattan, KS
- Davita Topeka DialysisDialysis facility · Topeka, KS
- Dialysis Specialists of Topeka, Inc.Dialysis facility · Topeka, KS
- Fmc - Topeka EastDialysis facility · Topeka, KS
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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