Marc Devries Larsen, MD
NPI 1144236159ActiveIndividual· Emergency Medicine, Emergency Medical Services· Kansas City, MO
Emergency Medicine, Emergency Medical Services (MD) in Kansas City, Missouri, trained at University of Kansas School of Med (Kc/Wich/Sal) (class of 2003). 507 Medicare patients in 2024, $61,470 paid; nearly all of their 338 Part D prescriptions were generic (96%). Medtronic, Inc. was the largest of 2 companies reporting payments in 2025, $295.80 in all, mostly travel and lodging.
Overview
| NPI | 1144236159 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 31, 2006 |
| Last updated in NPPES | Mar 3, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine, Emergency Medical Services Primary | 207PE0004X | 2006010971 | MO |
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 - Emergency Medicine (KS) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 507 |
|---|---|
| Services billed | 709 across 29 procedure codes |
| Paid by Medicare | $61,470 |
Part D prescriptions in 2024
| Prescriptions (claims) | 338 · 376 30-day fills |
|---|---|
| Patients | 237 |
| Total drug cost | $5,509 |
| Generic share | 96% of claims |
Education and affiliations
| Medical school | University of Kansas School of Med (Kc/Wich/Sal) |
|---|---|
| Graduation year | 2003 |
| Medicare specialty | Emergency Medicine |
Medical group
- Mep Kansas LLCOverland Park, KS · 60 clinicians
Hospital affiliations
- Saint Luke's East HospitalLees Summit, MO
- Saint Luke's South HospitalOverland Park, KS
- St Lukes Hospital of Kansas CityKansas City, MO
Industry payments (Open Payments)
- 2025$295.80 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $182.28 | 2 |
| Abbott Laboratories | $113.52 | 1 |
What the 2025 payments were for
- Travel and Lodging$182.28 · 2 payments
- Food and Beverage$113.52 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 17 Emergency Medicine, Emergency Medical Services providers in Kansas City · All Emergency Medicine, Emergency Medical Services providers in Missouri