Mark A. Lawton, MD
NPI 1497707053ActiveIndividual· Internal Medicine, Cardiovascular Disease· Hilton Head, SC
Internal Medicine, Cardiovascular Disease (MD) in Hilton Head, South Carolina, trained at Mercer University School of Medicine (class of 1988). Their prescriptions cost Medicare Part D more than their services did: $340,541 for 1,379 claims, against $164,330 paid for services in 2024. Abbott Laboratories was the largest of 9 companies reporting payments in 2025, $1,843 in all, mostly food and beverage.
Overview
| NPI | 1497707053 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 16, 2006 |
| Last updated in NPPES | Nov 5, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | 23706 | SC |
| Internal Medicine, Interventional Cardiology | 207RI0011X | 23706 | SC |
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 - Cardiovascular Disease (Cardiology) (OR); Practitioner - Cardiovascular Disease (Cardiology) (SC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,019 |
|---|---|
| Services billed | 2,518 across 84 procedure codes |
| Paid by Medicare | $164,330 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,379 · 3,612 30-day fills |
|---|---|
| Patients | 407 |
| Total drug cost | $340,541 |
| Generic share | 79% of claims |
Education and affiliations
| Medical school | Mercer University School of Medicine |
|---|---|
| Graduation year | 1988 |
| Medicare specialty | Cardiovascular Disease (Cardiology) |
Medical group
- McKenzie Physician Services LLCSpringfield, OR · 48 clinicians
Hospital affiliations
- McKenzie-Willamette Medical CenterSpringfield, OR
- Mercy Medical CenterRoseburg, OR
Industry payments (Open Payments)
- 2025$1,843 · 38 payments from 9 companies
- 2024$1,252 · 29 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $1,417 | 18 |
| Abiomed | $174.65 | 12 |
| Shockwave Medical, Inc | $97.25 | 1 |
| Stryker Corporation | $47.32 | 1 |
| Novartis Pharmaceuticals Corporation | $29.48 | 2 |
What the 2025 payments were for
- Food and Beverage$969.02 · 33 payments
- Travel and Lodging$874.32 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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