Michael R. Cox, MD
NPI 1275593451ActiveIndividual· Internal Medicine· Topeka, KS
Internal Medicine (MD) in Topeka, Kansas, trained at University of Kansas School of Med (Kc/Wich/Sal) (class of 1990). 1,753 Medicare patients in 2024, $291,320 paid; nearly all of their 9,785 Part D prescriptions were generic (91%). Merck Sharp & Dohme LLC reported $3,123 in payments in 2025, mostly travel and lodging.
Overview
| NPI | 1275593451 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 23, 2006 |
| Last updated in NPPES | Feb 6, 2026 |
| Certified by provider | Feb 6, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 04-23727 | KS |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (KS) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,753 |
|---|---|
| Services billed | 6,087 across 61 procedure codes |
| Paid by Medicare | $291,320 |
Part D prescriptions in 2024
| Prescriptions (claims) | 9,785 · 23,050 30-day fills |
|---|---|
| Patients | 763 |
| Total drug cost | $374,096 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | University of Kansas School of Med (Kc/Wich/Sal) |
|---|---|
| Graduation year | 1990 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Hospice/Palliative Care |
Medical groups
- Select Rehabilitation, LLCGlenview, IL · 2,046 clinicians
- Cotton-O'Neil Clinic Revocable TrustTopeka, KS · 666 clinicians
Hospital affiliations
- LmhLawrence, KS
- Stormont Vail HospitalTopeka, KS
- University of Kansas Health System - St Francis CampusTopeka, KS
Other facilities
- Elara CaringHome health agency · Topeka, KS
- Enhabit Home HealthHome health agency · Topeka, KS
- Meadowlark Hills Home HealthHome health agency · Manhattan, KS
- Midland Care Home HealthHome health agency · Topeka, KS
- Phoenix Home CareHome health agency · Overland Park, KS
Industry payments (Open Payments)
- 2025$3,123 · 18 payments from 1 company
- 2024$5,047 · 68 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $3,123 | 18 |
What the 2025 payments were for
- Travel and Lodging$2,653 · 11 payments
- Food and Beverage$469.61 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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