Mark R. Laudermilk, PA
NPI 1578602496ActiveIndividual· Physician Assistant· Denver, CO
Physician Assistant (PA) with Radiology Imaging Associates PC and 1 other group, practicing in Denver, Colorado. Their prescriptions cost Medicare Part D more than their services did: $26,554 for 38 claims, against $11,794 paid for services in 2024. Stryker Corporation was the largest of 5 companies reporting payments in 2025, $200.63 in all, mostly food and beverage. Lists Adventhealth Littleton and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1578602496 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA |
| Sole proprietor | No |
| NPI issued | Feb 6, 2007 |
| Last updated in NPPES | Mar 29, 2024 |
| Certified by provider | Mar 29, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 2356 | CO |
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 - Physician Assistant (CO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 148 |
|---|---|
| Services billed | 199 across 16 procedure codes |
| Paid by Medicare | $11,794 |
Part D prescriptions in 2024
| Prescriptions (claims) | 38 · 64 30-day fills |
|---|---|
| Patients | 15 |
| Total drug cost | $26,554 |
| Generic share | 37% of claims |
Education and affiliations
| Graduation year | 2006 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical groups
- Radiology Imaging Associates PCEnglewood, CO · 149 clinicians
- Ria Endovascular LLCLone Tree, CO · 31 clinicians
Hospital affiliations
- Adventhealth LittletonLittleton, CO
- Adventhealth ParkerParker, CO
- Adventhealth PorterDenver, CO
- Sky Ridge Medical CenterLone Tree, CO
- The Medical Center of Aurora & South HospitalAurora, CO
Industry payments (Open Payments)
- 2025$200.63 · 9 payments from 5 companies
- 2024$397.49 · 17 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Stryker Corporation | $76.44 | 4 |
| Abbott Laboratories | $55.01 | 2 |
| Angiodynamics, Inc. | $25.63 | 1 |
| Boston Scientific Corporation | $23.03 | 1 |
| Amgen Inc. | $20.52 | 1 |
What the 2025 payments were for
- Food and Beverage$200.63 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 548 physician assistants in Denver · All physician assistants in Colorado